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Profile: Chess GmbH specializes in fine chemicals. We focus on building blocks mainly for use in medicinal chemistry. We provide derivatives of substructures such as piperazine, piperidine and pyrrolidine. Our products include hydroxy compounds, amino compounds, carboxylic acids, amino acids and fluorochemicals.

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• 4-(2-Hydroxyethyl)piperazin-1-carboxylic acidethyl ester

IUPAC Name: ethyl 4-(2-hydroxyethyl)piperazine-1-carboxylate | CAS Registry Number: 14000-66-9
Synonyms: NSC22152, CID228934, 4-(2-Hydroxyethyl)-piperazin-1-carboxylic acid ethyl ester

Molecular Formula:	C₉H₁₈N₂O₃	Molecular Weight:	202.250820 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	4

InChIKey: MHBJYKMWVCDLPD-UHFFFAOYSA-N

• 1-(2-Fluorophenyl)piperazine

IUPAC Name: 1-(2-fluorophenyl)piperazine | CAS Registry Number: 1011-15-0
Synonyms: nchembio.150-comp55, 1-(2-Fluorophenyl)-piperazine, 444804_ALDRICH, EINECS 213-780-4, Piperazine, 1-(2-fluorophenyl)-, ALBB-006007, CID70529, SBB012379

Molecular Formula:	C₁₀H₁₃FN₂	Molecular Weight:	180.222023 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	3

InChIKey: IVTZRJKKXSKXKO-UHFFFAOYSA-N

• 2-aomethyl-pyrazine

IUPAC Name: pyridin-2-ylmethanamine | CAS Registry Number: 3731-51-9
Synonyms: 2-Picolylamine, 2-Picolinamine, 2-Pyridinemethanamine, beta-Picolylamine, 2-Pyridinemethylamine, 2-(Aminomethyl)pyridine, 2-Pyridylmethylamine, .beta.-Picolylamine, (2-Pyridylmethyl)amine, Pyridine, 2-(aminomethyl)-, WLN: T6NJ B1Z, A65204_ALDRICH, 2-AMINOMETHYL-PYRIDINE, PYRIDINE, 2-AMINOMETHYL-, 80350_FLUKA, EINECS 223-090-5, NSC 59705, NSC59705, BRN 0108054, SBB004352

Molecular Formula:	C₆H₈N₂	Molecular Weight:	108.141120 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	2

InChIKey: WOXFMYVTSLAQMO-UHFFFAOYSA-N

• 1-(N-Methylpiperidin-4-yl)piperazine

IUPAC Name: 1-(1-methylpiperidin-4-yl)piperazine | CAS Registry Number: 23995-88-2
Synonyms: 1-Methyl-4-piperazinopiperidine, 71277_FLUKA, 1-(1-Methyl-4-piperidinyl)piperazine, ALBB-005352, 1-(1-methylpiperidin-4-yl)piperazine, Piperazine, 1-(1-methyl-4-piperidyl)-, 1-(1-Methyl-piperidin-4-yl)-piperazine

Molecular Formula:	C₁₀H₂₁N₃	Molecular Weight:	183.293840 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	3

InChIKey: OHUMKYGINIODOY-UHFFFAOYSA-N

• 4-(Boc-piperazin-1-yl)-oxo-acetic acid

IUPAC Name: 2-[4-[(2-methylpropan-2-yl)oxycarbonyl]piperazin-1-yl]-2-oxoacetic acid | CAS Registry Number: 788153-44-6
Synonyms: (4-Boc-piperazin-1-yl)-oxo-acetic acid

Molecular Formula:	C₁₁H₁₈N₂O₅	Molecular Weight:	258.271020 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	5

InChIKey: WUVXPLRYCUOGTJ-UHFFFAOYSA-N

• 4-N-(2-Aminoethyl)-1-N-Boc-piperazine

IUPAC Name: tert-butyl 4-(2-aminoethyl)piperazine-1-carboxylate | CAS Registry Number: 192130-34-0
Synonyms: 4-(2-Amino-ethyl)-1-Boc-piperazine, EA-0839

Molecular Formula:	C₁₁H₂₃N₃O₂	Molecular Weight:	229.319220 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	4

InChIKey: QSYTWBKZNNEKPN-UHFFFAOYSA-N

• 2-(2-Boc-Aminoethoxy)Ethanol

IUPAC Name: tert-butyl N-[2-(2-hydroxyethoxy)ethyl]carbamate | CAS Registry Number: 139115-91-6
Synonyms: 2-(2-Boc-aminoethoxy)ethanol, MolPort-000-001-599, ZINC02525355, CID5220470, ASN 17207094, B52026, Tert-butyl N-[2-(2-hydroxyethoxy)ethyl]carbamate

Molecular Formula:	C₉H₁₉NO₄	Molecular Weight:	205.251460 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	4

InChIKey: KSFVNEXYCULLEJ-UHFFFAOYSA-N

• 1-Benzylpiperidine-4-carboxylic acid ethyl ester

IUPAC Name: ethyl 1-(phenylmethyl)piperidine-4-carboxylate | CAS Registry Number: 24228-40-8
Synonyms: Oprea1_210266, Ethyl 1-benzylpiperidine-4-carboxylate, CID90423, SDCCGMLS-0066147.P001, EINECS 246-094-9, ST5320008

Molecular Formula:	C₁₅H₂₁NO₂	Molecular Weight:	247.332740 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	3

InChIKey: ASQCOPJFYLJCGD-UHFFFAOYSA-N

• 1-(2-Pyrrolidin-1-Ylethyl)piperazine

IUPAC Name: 1-(2-pyrrolidin-1-ylethyl)piperazine | CAS Registry Number: 22763-69-5
Synonyms: BB_SC-4735, 1-(2-pyrrolidin-1-ylethyl)piperazine, CID2737250, 1-(2-Pyrrolidin-1-yl-ethyl)-piperazine

Molecular Formula:	C₁₀H₂₁N₃	Molecular Weight:	183.293840 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	3

InChIKey: UXHZIFKPLFIPSX-UHFFFAOYSA-N

• 1-(2-Chloro-4-nitrophenyl)-piperazine

IUPAC Name: 1-(2-chloro-4-nitrophenyl)piperazine | CAS Registry Number: 114878-60-3
Synonyms: Oprea1_716013, MLS000689042, ZERO/006480, BAS 00805288, CID2771331, 1-(2-Chloro-4-nitro-phenyl)-piperazine, SMR000283203, EU-0035959

Molecular Formula:	C₁₀H₁₂ClN₃O₂	Molecular Weight:	241.674180 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	4

InChIKey: JNUWBYPJOBSXDN-UHFFFAOYSA-N

• 2-(Piperidin-3-yl)acetic acid ethyl ester

IUPAC Name: ethyl 2-piperidin-3-ylacetate | CAS Registry Number: 64995-88-6
Synonyms: ALBB-003901, ethyl piperidin-3-ylacetate hydrochloride, 2-(Piperidin-3-yl)-acetic acid ethyl ester

Molecular Formula:	C₉H₁₇NO₂	Molecular Weight:	171.236780 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	3

InChIKey: RJFIWCWTENIBKC-UHFFFAOYSA-N

• 1-(3-Bromophenyl)piperazine

IUPAC Name: 1-(3-bromophenyl)piperazine | CAS Registry Number: 31197-30-5

Molecular Formula:	C₁₀H₁₃BrN₂	Molecular Weight:	241.127620 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	2

InChIKey: DOYNABJKDZARLF-UHFFFAOYSA-N

• 3-methyl-2-nitrobenzaldehyde

IUPAC Name: 3-methyl-2-nitrobenzaldehyde | CAS Registry Number: 5858-27-5
Synonyms: 3-Methyl-2-nitrobenzaldehyde, AG-G-07441, AGN-PC-00N4F0, CTK5A8561, Benzaldehyde, 3-methyl-2-nitro-, MolPort-016-575-224, AKOS006227929, AKOS015996119, AB48483, 858-27-5

Molecular Formula:	C₈H₇NO₃	Molecular Weight:	165.146080 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	3

InChIKey: HAGUMWGXABFJMN-UHFFFAOYSA-N

• 1-(2-Pyridyl)piperazine

IUPAC Name: 1-pyridin-2-ylpiperazine | CAS Registry Number: 34803-66-2
Synonyms: 2-Piperazinopyridine, 1-(2-Pyridinyl)piperazine, 1-Pyridin-2-yl-piperazine, Piperazine, 1-(2-pyridinyl)-, 151270_ALDRICH, 408166_ALDRICH, EINECS 252-220-3, NSC137781, SBB006445, NSC 137781

Molecular Formula:	C₉H₁₃N₃	Molecular Weight:	163.219620 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	3

InChIKey: GZRKXKUVVPSREJ-UHFFFAOYSA-N

• 1-(4-Nitrophenyl)piperazine

IUPAC Name: 1-(4-nitrophenyl)piperazine | CAS Registry Number: 6269-89-2
Synonyms: Piperazine, 1-(4-nitrophenyl)-, Oprea1_305105, 1-(4-Nitrophenyl)-piperazine, 279773_ALDRICH, TOS-BB-0562, NSC33874, EINECS 228-443-7, SBB003475, ST5213758, TL8004239, InChI=1/C10H13N3O2/c14-13(15)10-3-1-9(2-4-10)12-7-5-11-6-8-12/h1-4,11H,5-8H

Molecular Formula:	C₁₀H₁₃N₃O₂	Molecular Weight:	207.229120 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	4

InChIKey: VWOJSRICSKDKAW-UHFFFAOYSA-N

• 1-(2-Butyl)piperazine

IUPAC Name: 1-butan-2-ylpiperazine | CAS Registry Number: 34581-21-0
Synonyms: 1-sec-Butyl-piperazine, SBB007161, BAS 04444046

Molecular Formula:	C₈H₁₈N₂	Molecular Weight:	142.241920 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	2

InChIKey: ZHHCLIRTNOSAPB-UHFFFAOYSA-N

• 1-(2-N-Boc-aminoethyl)piperazine

IUPAC Name: tert-butyl N-(2-piperazine-1,4-diium-1-ylethyl)carbamate | CAS Registry Number: 140447-78-5
Synonyms: ZINC04202986, CID7128377

Molecular Formula:	C₁₁H₂₅N₃O₂+₂	Molecular Weight:	231.335100 [g/mol]
H-Bond Donor:	3	H-Bond Acceptor:	2

InChIKey: VPOIPCJBJNWHSJ-UHFFFAOYSA-P

• 1-[(3-Pyridyl)methyl]piperazine

IUPAC Name: 1-(pyridin-3-ylmethyl)piperazine | CAS Registry Number: 39244-80-9
Synonyms: Oprea1_494141, Oprea1_637526, 1-Pyridin-3-ylmethyl-piperazine, CID156975, SBB003772, BAS 01901662

Molecular Formula:	C₁₀H₁₅N₃	Molecular Weight:	177.246200 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	3

InChIKey: UNGUQQBXDOAOQO-UHFFFAOYSA-N

• 1-Thiazole-2-yl-piperazine

IUPAC Name: 2-piperazin-1-yl-1,3-thiazole | CAS Registry Number: 42270-37-1
Synonyms: 1-Thiazol-2-yl-piperazine, 1-(Thiazol-2-yl)piperazine, EINECS 255-743-5, CID911806, ST5340182

Molecular Formula:	C₇H₁₁N₃S	Molecular Weight:	169.247340 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	3

InChIKey: WQFWIVTXNKRNJZ-UHFFFAOYSA-N

• 4-Pyrrolidin-1-yl-piperidine

IUPAC Name: 4-pyrrolidin-1-ylpiperidine | CAS Registry Number: 5004-07-9
Synonyms: 4-(1-Pyrrolidinyl)piperidine, 437352_ALDRICH, EINECS 225-634-7, EINECS 225-676-6, ST5307516, 4-(1-Pyrrolidinyl)piperidine dihydrochloride, 4983-39-5

Molecular Formula:	C₉H₁₈N₂	Molecular Weight:	154.252620 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	2

InChIKey: STWODXDTKGTVCJ-UHFFFAOYSA-N

• 1-(5-Chloro-2-methoxyphenyl)piperazine hydrochloride

IUPAC Name: 1-(5-chloro-2-methoxyphenyl)piperazine;hydrochloride | CAS Registry Number: 99857-72-4
Synonyms: 1-(5-chloro-2-methoxyphenyl)piperazine hydrochloride, SBB003080, 4-chloro-1-methoxy-2-piperazinylbenzene, chloride, SureCN1714119, CTK7A6631, MolPort-000-153-201, AKOS015996069, AG-B-79227, AG-I-02656, MCULE-9633488390, KB-147526, FT-0605788, ST50950084, 1-(5-chloro-2-methoxy-phenyl)-piperazine hcl, A846092, 1-(5-chlor-2-methoxyphenyl)-piperazine hydrochloride, 1-(5-chloro-2-methoxy-phenyl)-piperazinehydrochloride, 1-(5-chloro-2-methoxy-phenyl)piperazine hydrochloride, 1-(5-chloranyl-2-methoxy-phenyl)piperazine hydrochloride, 1-(5-Chloro-2-methoxy-phenyl)-piperazine hydrochloride

Molecular Formula:	C₁₁H₁₆Cl₂N₂O	Molecular Weight:	263.163540 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	3

InChIKey: NTLFAHFTZBIIPG-UHFFFAOYSA-N

• 2-Ethoxynicotinic acid

IUPAC Name: 2-ethoxypyridine-3-carboxylic acid | CAS Registry Number: 35969-54-1
Synonyms: 2-Ethoxy-nicotinic acid, 2-Ethoxypyridine-3-carboxylic acid, SBB005439, BAS 00394309, CID2736345

Molecular Formula:	C₈H₉NO₃	Molecular Weight:	167.161960 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	4

InChIKey: XCMJQQOMGWGGSI-UHFFFAOYSA-N

• 4-Benzoylpiperazine-1-carboxamide

IUPAC Name: 4-(benzoyl)piperazine-1-carboxamide | CAS Registry Number: 100138-46-3
Synonyms: 4-Benzoyl-piperazine-1-carboxylic acid amide

Molecular Formula:	C₁₂H₁₅N₃O₂	Molecular Weight:	233.266400 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	2

InChIKey: SFEIMHKHXPBUCT-UHFFFAOYSA-N

• 1-(1-Hexyl)piperazine

IUPAC Name: 1-hexylpiperazine | CAS Registry Number: 51619-55-7
Synonyms: 1-Hexylpiperazine, Ambap5421, 94817_FLUKA, ALBB-005939

Molecular Formula:	C₁₀H₂₂N₂	Molecular Weight:	170.295080 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	2

InChIKey: WRFUXAYDZDQDKY-UHFFFAOYSA-N

• 1-(4-Methylpyridin-2-Yl)piperazine

IUPAC Name: 1-(4-methylpyridin-2-yl)piperazine | CAS Registry Number: 34803-67-3
Synonyms: 1-(4-methylpyridin-2-yl)piperazine, CID2760058, 1-(4-Methyl-pyridin-2-yl)-piperazine, LT03382340, M67409

Molecular Formula:	C₁₀H₁₅N₃	Molecular Weight:	177.246200 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	3

InChIKey: ZFBRKSGGMODDHD-UHFFFAOYSA-N

• 1-N-Boc-Piperazine

IUPAC Name: tert-butyl piperazine-1-carboxylate | CAS Registry Number: 57260-71-6
Synonyms: 1-Boc-piperazine, 1-N-Boc-piperazine, t-Butyl 1-piperazincarboxylate, N-t-Butoxycarbonylpiperazine, t-Butyl 1-piperaziencarboxylate, 343536_ALDRICH, ARONIS005638, tert-butyl piperazine-1-carboxylate, 15502_FLUKA, ST5210645, TL8003687, 1-piperazinecarboxylic acid, 1,1-dimethylethyl ester, InChI=1/C9H18N2O2/c1-9(2,3)13-8(12)11-6-4-10-5-7-11/h10H,4-7H2,1-3H

Molecular Formula:	C₉H₁₈N₂O₂	Molecular Weight:	186.251420 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	3

InChIKey: CWXPZXBSDSIRCS-UHFFFAOYSA-N

• 4-(1-Methyl-4-piperazinyl)piperidine

IUPAC Name: 1-methyl-4-piperidin-4-ylpiperazine | CAS Registry Number: 53617-36-0
Synonyms: 1-Methyl-4-(piperidin-4-yl)piperazine, 1-Methyl-4-piperidin-4-yl-piperazine, 1-methyl-4-(4-piperidinyl)piperazine, 1-Methyl-4-(piperidin-4-yl)-piperazine, 1-methyl-4-piperidin-4-ylpiperazine, SBB010183, 4-methyl-1-(4-piperidyl)piperazine, BAS 07753815, AC1LGJ5R, SureCN383553, ACMC-1B13B, Oprea1_568221, Oprea1_801469, CTK4I7604, MolPort-000-157-477, ANW-44790, 4-(1-methyl-4-piperazinyl)piperidine, AKOS000185755, AG-F-54209, AG-L-63057

Molecular Formula:	C₁₀H₂₁N₃	Molecular Weight:	183.293840 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	3

InChIKey: MRYYJGQKVGZGSB-UHFFFAOYSA-N

• 1-(2-Diisopropylaminoethyl)piperazine

IUPAC Name: N-(2-piperazin-1-ylethyl)-N-propan-2-ylpropan-2-amine | CAS Registry Number: 59955-93-0
Synonyms: 1-(2-Diisopropylamino-ethyl)-piperazine

Molecular Formula:	C₁₂H₂₇N₃	Molecular Weight:	213.362880 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	3

InChIKey: IDWCYRNCJHGJAL-UHFFFAOYSA-N

• 3S-3-Methylmorpholine

IUPAC Name: (3S)-3-methylmorpholine | CAS Registry Number: 350595-57-2
Synonyms: (S)-3-Methylmorpholine, (S)-3-Methyl-morpholine, (3S)-3-Methylmorpholine, 3S-3-METHYLMORPHOLINE, PubChem11364, SureCN16926, (S)-3-methyl morpholine, KSC497K8B, CTK3J7580, BH093, ACT08837, PS-J-014, ANW-49465, FC0107, AKOS006238789, AKOS015840072, AB16412, LS30156, RP18731, RP18733

Molecular Formula:	C₅H₁₁NO	Molecular Weight:	101.146940 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	2

InChIKey: SFWWGMKXCYLZEG-YFKPBYRVSA-N

• 1-(2-Tetrahydrofuroyl)piperazine

IUPAC Name: oxolan-2-yl(piperazin-1-yl)methanone | CAS Registry Number: 63074-07-7
Synonyms: 1-(2-Tetrahydrofuroyl)-piperazine, 1-(Tetrahydro-2-furoyl)piperazine, SBB005794, TL8004377

Molecular Formula:	C₉H₁₆N₂O₂	Molecular Weight:	184.235540 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	3

InChIKey: UKESBLFBQANJHH-UHFFFAOYSA-N

• 1-Bromo-10-phenyldecane

IUPAC Name: 10-bromodecylbenzene | CAS Registry Number: 85562-26-1

Molecular Formula:	C₁₆H₂₅Br	Molecular Weight:	297.273700 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	0

InChIKey: DTPVJMBHPQHEHV-UHFFFAOYSA-N

• 9-Phenyl-nonanoic acid

IUPAC Name: 9-phenylnonanoic acid | CAS Registry Number: 16269-06-0
Synonyms: 9-Phenylnonanoic acid, 9-PHENYL NONANOIC ACID

Molecular Formula:	C₁₅H₂₂O₂	Molecular Weight:	234.333980 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	2

InChIKey: URWLWLXGACJYCO-UHFFFAOYSA-N

• 1-(2-Aminoethyl)-4-benzylpiperazine

IUPAC Name: 2-[4-(phenylmethyl)piperazin-1-yl]ethanamine | CAS Registry Number: 4553-21-3
Synonyms: 2-(4-benzyl-1-piperazinyl)ethanamine, 1-(2-Aminoethyl)-4-benzyl-piperazine, ST5213223, EC-000.1604

Molecular Formula:	C₁₃H₂₁N₃	Molecular Weight:	219.325940 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	3

InChIKey: CXEJMFLWEVKOGS-UHFFFAOYSA-N

• 1-boc-3-methanesulfonyloxy-piperidine

IUPAC Name: tert-butyl 3-methylsulfonyloxypiperidine-1-carboxylate | CAS Registry Number: 129888-60-4
Synonyms: N-Boc-3-mesyloxypiperidine, tert-butyl 3-methylsulfonyloxypiperidine-1-carboxylate, 1-BOC-3-METHANESULFONYLOXY-PIPERIDINE, tert-butyl 3-[(methylsulfonyl)oxy]piperidine-1-carboxylate, 1-Piperidinecarboxylicacid, 3-[(methylsulfonyl)oxy]-, 1,1-dimethylethyl ester, tert-Butyl 3-((methylsulfonyl)oxy)piperidine-1-carboxylate, AC1LC1XC, ACMC-1AM4K, N-Boc-3-mesyloxypiperidine;, AC1Q6Y15, Jsp001813, CTK4B6433, tert-Butyl 3-[(methylsulfonyl)oxy]-1-piperidinecarboxylate, MolPort-005-932-314, 1-Boc-3-methanesulfonyloxypiperidine, AB3264, ANW-56055, AR-1L6027, AKOS015949382, AC-1517

Molecular Formula:	C₁₁H₂₁NO₅S	Molecular Weight:	279.353140 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	5

InChIKey: WLAZHMYDLUILKR-UHFFFAOYSA-N

• 1-Boc-4-Methanesulfonyloxy-piperidine

IUPAC Name: tert-butyl 4-methylsulfonyloxypiperidine-1-carboxylate | CAS Registry Number: 141699-59-4
Synonyms: 1-Boc-4-methanesulfonyloxypiperidine, 1-Boc-4-methanesulfonyloxy-piperidine, N-Boc-4-mesyloxypiperidine, 4-Methanesulfonyloxy-piperidine-1-carboxylic acid tert-butyl ester, Tert-butyl 4-methylsulfonyloxypiperidine-1-carboxylate, AG-D-82906, 1-(tert-butoxycarbonyl)piperidin-4-ylmethanesulfonate, t-Butyl 4-(methanesulfonyloxy)piperidine-1-carboxylate, ACMC-209cmp, AC1N4UO7, AGN-PC-008EUK, KSC522O6H, CTK4C2763, MolPort-000-001-567, ANW-20639, CL8010, WT1529, ZINC02528532, AKOS000265487, LS20686

Molecular Formula:	C₁₁H₂₁NO₅S	Molecular Weight:	279.353140 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	5

InChIKey: WOEQSXAIPTXOPY-UHFFFAOYSA-N

• 3-(4-Pyridyl)propanoic Acid

IUPAC Name: 3-pyridin-4-ylpropanoic acid | CAS Registry Number: 6318-43-0
Synonyms: 4-Pyridinepropionic acid, Oprea1_208014, 3-pyridin-4-ylpropanoic acid, 3-(4-pyridinyl)propanoic acid, 3-Pyridin-4-yl-propionic acid, 3-(pyridin-4-yl)propanoic acid, ZERO/004673, ALBB-000158, NSC31601, CID233243, STK500828, EC-000.1940

Molecular Formula:	C₈H₉NO₂	Molecular Weight:	151.162560 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	3

InChIKey: WSXGQYDHJZKQQB-UHFFFAOYSA-N

• 4-(4-Methyl-Piperazin-1-Yl)-4-Oxo-Butyric Acid

IUPAC Name: 4-(4-methylpiperazin-1-yl)-4-oxobutanoic acid | CAS Registry Number: 72547-44-5
Synonyms: Oprea1_033337, Oprea1_604201, CBDivE_002478, MLS000714741, ARONIS006205, CID739318, STK123423, BAS 09650842, BBV-009336, SMR000274720, 4-(4-Methyl-piperazin-1-yl)-4-oxo-butyric acid, EU-0033490, 4-(4-methyl-1-piperazinyl)-4-oxobutanoic acid, 4-(4-methylpiperazin-1-yl)-4-oxobutanoic acid, AQ-360/04424003

Molecular Formula:	C₉H₁₆N₂O₃	Molecular Weight:	200.234940 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	4

InChIKey: NZTQZEIZMMJXFG-UHFFFAOYSA-N

• 1-(3-Methoxyphenyl)piperazine

IUPAC Name: 1-(3-methoxyphenyl)piperazine | CAS Registry Number: 16015-71-7
Synonyms: Maybridge4_000045, Oprea1_702483, N-(3-Methoxyphenyl)piperazine, 471682_ALDRICH, ALBB-005957, CID81430, NSC66266, EINECS 240-154-8, PDSP1_000006, PDSP2_000006, SBB003619, SDCCGMLS-0065814.P001, IDI1_030627

Molecular Formula:	C₁₁H₁₆N₂O	Molecular Weight:	192.257540 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	3

InChIKey: PZIBVWUXWNYTNL-UHFFFAOYSA-N

• 1-isopropylpiperazine

IUPAC Name: 1-propan-2-ylpiperazine | CAS Registry Number: 4318-42-7
Synonyms: 1-Isopropylpiperazine, Isopropyl piperazine, N-Isopropylpiperazine, 1-Isopropyl-piperazine, Piperazine, 1-isopropyl-, 1-(1-Methylethyl)piperazine, 566853_ALDRICH, EINECS 224-345-3, Piperazine, 1-(1-methylethyl)-, ALBB-002173, BRN 0103377, SBB004236, BAS 04444044, Piperazine, 1-(1-methylethyl)- (9CI), LS-112732, 5-23-01-00142 (Beilstein Handbook Reference)

Molecular Formula:	C₇H₁₆N₂	Molecular Weight:	128.215340 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	2

InChIKey: WHKWMTXTYKVFLK-UHFFFAOYSA-N

• 1-(2-Dimethylaminoethyl)piperazine

IUPAC Name: N,N-dimethyl-2-piperazin-1-ylethanamine | CAS Registry Number: 3644-18-6
Synonyms: 74328_FLUKA, N,N-Dimethyl-1-piperazineethanamine, N,N-Dimethyl-2-piperazinoethylamine, SBB010067, 1-[2-(Dimethylamino)ethyl]piperazine, BAS 12820105, Dimethyl-(2-piperazin-1-yl-ethyl)-amine, N,N-Dimethyl-2-(piperazin-1-yl)ethanamine

Molecular Formula:	C₈H₁₉N₃	Molecular Weight:	157.256560 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	3

InChIKey: LGDNSGSJKBIVFG-UHFFFAOYSA-N

• 4-Oxo-4-piperidin-1-yl-butyric acid

IUPAC Name: 4-oxo-4-piperidin-1-ylbutanoic acid | CAS Registry Number: 4672-17-7
Synonyms: Oprea1_201772, Oprea1_653197, ARONIS011786, ALBB-006322, STK081840, 4-oxo-4-piperidin-1-ylbutanoic acid

Molecular Formula:	C₉H₁₅NO₃	Molecular Weight:	185.220300 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	3

InChIKey: SMBUFGWVLVTFDO-UHFFFAOYSA-N

• 1-(Cyclopropylcarbonyl)piperazine

IUPAC Name: cyclopropyl(piperazin-4-ium-1-yl)methanone | CAS Registry Number: 59878-57-8
Synonyms: ZINC02586030, CID2064234

Molecular Formula:	C₈H₁₅N₂O+	Molecular Weight:	155.217500 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	1

InChIKey: KIALFUYSJAAJSU-UHFFFAOYSA-O

• 1-(2-Methylphenyl)piperazine

IUPAC Name: 1-(2-methylphenyl)piperazine | CAS Registry Number: 39512-51-1
Synonyms: 1-(o-Tolyl)piperazine, Maybridge4_000133, 4-(2-Methylphenyl)piperazine, 1-(2-Methylphenyl)-piperazine, Piperazine, 1-(2-methylphenyl)-, CID91965, NSC28784, EINECS 254-481-9, PDSP1_000005, PDSP2_000005, IDI1_030715, ST5407259

Molecular Formula:	C₁₁H₁₆N₂	Molecular Weight:	176.258140 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	2

InChIKey: WICKLEOONJPMEQ-UHFFFAOYSA-N

• 4-Methyl-1-Piperazineethanamine

IUPAC Name: 2-(4-methylpiperazin-1-yl)ethanamine | CAS Registry Number: 934-98-5
Synonyms: 4-Methylpiperazine-1-ethylamine, 1-Piperazineethanamine, 4-methyl-, 2-(4-methylpiperazin-1-yl)ethanamine, ALBB-005818, CID70284, EINECS 213-296-3, STK500900, 1-Methyl-4-(2-aminoethyl)piperazine, BAS 04085414, 1-(2-Aminoethyl)-4-methyl-piperazine, 2-(4-Methyl-piperazin-1-yl)-ethylamine, I13-0022, T5534282

Molecular Formula:	C₇H₁₇N₃	Molecular Weight:	143.229980 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	3

InChIKey: GOWUDHPKGOIDIX-UHFFFAOYSA-N

• 2-(piperazin-1-Yl)propionic Acid Ethyl Ester

IUPAC Name: ethyl 2-piperazin-1-ylpropanoate | CAS Registry Number: 824414-06-4
Synonyms: Ethyl 2-piperazin-1-ylpropanoate, OR4192, CID2736463, 2-(Piperazin-1-yl)-propionic acid ethyl ester

Molecular Formula:	C₉H₁₈N₂O₂	Molecular Weight:	186.251420 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	4

InChIKey: LWPINFVZIFEBEG-UHFFFAOYSA-N

• 2-(1-(tert-Butoxycarbonyl)piperidin-4-Ylidene)acetic Acid

IUPAC Name: 2-[1-[(2-methylpropan-2-yl)oxycarbonyl]piperidin-4-ylidene]acetic acid | CAS Registry Number: 193085-24-4
Synonyms: 1-boc-piperidin-4-ylidene-acetic acid, 1-Boc-piperidin-4-ylideneacetic acid, 2-(1-BOC-piperidin-4-ylidene)acetic acid, 2-(1-(tert-butoxycarbonyl)piperidin-4-ylidene)acetic acid, 1-boc-4-carboxymethylene-piperidine, 1-Boc-Piperidin-4-Ylidene-AceticAcid, 4-carboxymethylene-piperidine-1-carboxylic acid tert-butyl ester, ACMC-209ewp, SureCN2948300, CTK4E1161, MolPort-002-499-877, ANW-23591, SBB066850, 1-boc-piperidin-4-ylidene acetic acid, AKOS015838373, AB19465, AG-E-41065, RP05879, AK-44304, BR-44304

Molecular Formula:	C₁₂H₁₉NO₄	Molecular Weight:	241.283560 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	4

InChIKey: PICPNXSVAVWVIC-UHFFFAOYSA-N

• 2-Piperazinonicotinonitrile

IUPAC Name: 2-piperazin-1-ylpyridine-3-carbonitrile | CAS Registry Number: 84951-44-0
Synonyms: SBB005548, 2-(Piperazin-1-yl)-3-pyridinecarbonitrile

Molecular Formula:	C₁₀H₁₂N₄	Molecular Weight:	188.229080 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	4

InChIKey: QSMNQUURWIAXAA-UHFFFAOYSA-N

• 1-(4-Ethoxyphenyl)piperazine

IUPAC Name: 1-(4-ethoxyphenyl)piperazine | CAS Registry Number: 46415-29-6
Synonyms: 1-(4-ethoxyphenyl)piperazine, n-(4-ethoxyphenyl) piperazine, ST51042067, AC1L5LS4, SureCN2155052, 4-ethoxy-1-piperazinylbenzene, 1-(4-ethoxyphenyl)-piperazine, AC1Q572E, 1-(4-ethoxy-phenyl)-piperazine, CTK4I9365, Piperazine,1-(4-ethoxyphenyl)-, MolPort-000-150-105, KST-1B5254, ANW-61407, AR-1B1990, AKOS009158776, AB04567, AG-J-29780, MCULE-5849491405, AK-43737

Molecular Formula:	C₁₂H₁₈N₂O	Molecular Weight:	206.284120 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	3

InChIKey: DPEWTQJUUDLJNX-UHFFFAOYSA-N

• 4-dimethylamino piperidine

IUPAC Name: N,N-dimethylpiperidin-4-amine | CAS Registry Number: 50533-97-6
Synonyms: 4-Dimethylaminopiperidine, N,N-Dimethylpiperidin-4-amine, 4- (N,N-dimethylamino)piperidine, EINECS 256-617-2, BBV-078064, TL8003354

Molecular Formula:	C₇H₁₆N₂	Molecular Weight:	128.215340 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	2

InChIKey: YFJAIURZMRJPDB-UHFFFAOYSA-N

• 2-Chloro-3-Cyanopyridine

IUPAC Name: 2-chloropyridine-3-carbonitrile | CAS Registry Number: 6602-54-6
Synonyms: 2-Chloronicotinonitrile, 2-Chloronicotinoitrile, 3-Cyano-2-chloropyridine, 2-Chloro-3-cyano-pyridine, NCIOpen2_000476, 535338_ALDRICH, 2-Chloro-3-pyridinecarbonitrile, NSC73287, ZERO/005552, CID81079, EINECS 229-550-1, ZINC00091827, NCI60_041599, TL806172

Molecular Formula:	C₆H₃ClN₂	Molecular Weight:	138.554420 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	2

InChIKey: JAUPUQRPBNDMDT-UHFFFAOYSA-N