Ningbo Hi-Tech Biochemicals Co., Ltd.

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Profile: Ningbo Hi-Tech Biochemicals Co., Ltd. specializes in the custom manufacturing of peptides and amino acid derivatives. Our products include food additives, herbal extracts, hormones, steroids, cosmetic raw materials, peptides, vitamins, agrochemical intermediates, water treatment chemicals, protected amino acids, capsules & tablets and nutritional raw materials.

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• 10-KETO-25-HYDROXYVITAMIN D3

IUPAC Name: (2E,4R)-2-[(2E)-2-[(1R,3aS,7aR)-1-[(2R)-6-hydroxy-6-methylheptan-2-yl]-7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]ethylidene]-4-hydroxycyclohexan-1-one | CAS Registry Number: 86852-07-5
Synonyms: 10-Khvd, 10-Keto-25-hydroxyvitamin D3, 25-Hydroxy-10-oxocholecalciferol, 25-Hydroxycholecalciferol-10-one, CID6439797, 19-Nor-9,10-secocholesta-5,7-dien-4-one, 1,25-dihydroxy-, (1alpha,5Z,7E)-

Molecular Formula:	C₂₆H₄₂O₃	Molecular Weight:	402.609880 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	3

InChIKey: WGGXZJFAPUZXLC-NGPZEFBZSA-N

• 10-KETOVITAMIN D3

IUPAC Name: (2Z,4S)-2-[(2E)-2-[(3R,3aS,7aS)-3a-methyl-3-[(2R)-6-methylheptan-2-yl]-2,3,4,6,7,7a-hexahydro-1H-inden-5-ylidene]ethylidene]-4-hydroxycyclohexan-1-one | CAS Registry Number: 95480-84-5
Synonyms: 10-Ketovitamin D3, 10-Ketocholecalciferol, 10-Keto-vitamin D3, Cholecalciferol-10-one, CID6438606, 19-Nor-9,10-secocholesta-5,7-dien-4-one, 1-hydroxy-, (1alpha,5Z,7E)-

Molecular Formula:	C₂₆H₄₂O₂	Molecular Weight:	386.610480 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	2

InChIKey: YXLJDOQKSXHDDA-HFFWFVFZSA-N

• 11A-HYDROXYVITAMIN D3

IUPAC Name: (3R,3aR,5S,7E,7aS)-7-[(2Z)-2-[(5R)-5-hydroxy-2-methylidenecyclohexylidene]ethylidene]-3a-methyl-3-[(2R)-6-methylheptan-2-yl]-2,3,4,5,6,7a-hexahydro-1H-inden-5-ol | CAS Registry Number: 89321-96-0
Synonyms: 11-Hydroxyvitamin D3, 11alpha-Hydroxyvitamin D3, CID6439865, 9,10-Secocholesta-5,7,10(19)-triene-3,11-diol, (3beta,5Z,7E,11alpha)-

Molecular Formula:	C₂₇H₄₄O₂	Molecular Weight:	400.637060 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	2

InChIKey: KDPWFHILYNISTF-DQCVJNKXSA-N

• 19,25-DIHYDROXY-6,19-DIHYDRO-6,19-EPOXYVITAMIN D3

IUPAC Name: (3S,5R)-3-[(E)-[(1R,3aS,7aR)-1-[(2R)-6-hydroxy-6-methylheptan-2-yl]-7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]methyl]-1,3,4,5,6,7-hexahydro-2-benzofuran-1,5-diol | CAS Registry Number: 96999-67-6
Synonyms: 19,25-Dde-vitamin D3, CID6439195, 19,25-Dihydroxy-6,19-dihydro-6,19-epoxyvitamin D3, 6,10-Secocholesta-5(10),7-diene-3,19,25-triol, 6,19-epoxy-, (3beta,6S,7E)-

Molecular Formula:	C₂₇H₄₄O₄	Molecular Weight:	432.635860 [g/mol]
H-Bond Donor:	3	H-Bond Acceptor:	4

InChIKey: WFZFISRRLUYGJF-AEUFDVQMSA-N

• 19-HYDROXY-10(S),19-DIHYDROVITAMIN D3

IUPAC Name: (1R,3Z,4R)-3-[(2E)-2-[(1R,3aS,7aR)-7a-methyl-1-[(2R)-6-methylheptan-2-yl]-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]ethylidene]-4-(hydroxymethyl)cyclohexan-1-ol | CAS Registry Number: 62077-06-9
Synonyms: Hdhv D3, CID6454339, 19-Hydroxy-10(S),19-dihydrovitamin D3, 9,10-Secocholesta-5,7-diene-3,19-diol, (3beta,5Z,7E,10alpha)-

Molecular Formula:	C₂₇H₄₆O₂	Molecular Weight:	402.652940 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	2

InChIKey: AJXHPHZACZICEG-AXNHMIKBSA-N

• 19-NOR-10-KETO-25-HYDROXYVITAMIN D3

IUPAC Name: (2E,4R)-2-[(2E)-2-[(1S,3aS,7aR)-1-[(2R)-6-hydroxy-6-methylheptan-2-yl]-7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]ethylidene]-4-hydroxycyclohexan-1-one | CAS Registry Number: 85925-90-2
Synonyms: 19-NK-25 Hvd3, 10-Keto-25-hydroxyvitamin D3, CID6439023, 10-Oxo-19-nor-25-hydroxyvitamin D3, 19-Nor-10-oxo-25-hydroxyvitamin D3, 19-Nor-10-keto-25-hydroxyvitamin D3, 5(E)-19-Nor-10-keto-25-hydroxycholecalciferol, 19-Nor-9,10-secocholesta-5,7-dien-4-one, 1,25-dihydroxy-, (1alpha,5E,7E)-

Molecular Formula:	C₂₆H₄₂O₃	Molecular Weight:	402.609880 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	3

InChIKey: WGGXZJFAPUZXLC-RIQXIMNOSA-N

• 19-NOR-10-KETOVITAMIN D2

IUPAC Name: (2E,4R)-2-[(2E)-2-[(1R,3aS,7aR)-1-[(E,2R,5R)-5,6-dimethylhept-3-en-2-yl]-7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]ethylidene]-4-hydroxycyclohexan-1-one | CAS Registry Number: 85925-89-9
Synonyms: 19-Nor-10-ketovitamin D2, 19-NK-VD2, 5(E)-19-Nor-10-ketoergocalciferol, 19-Nor-9,10-secoergosta-5,7,22-trien-4-one, 1-hydroxy-, (1alpha,5E,7E,22E)-

Molecular Formula:	C₂₇H₄₂O₂	Molecular Weight:	398.621180 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	2

InChIKey: XIXFRGWDXLWIBS-PERKJQGRSA-N

• 19-NOR-10-KETOVITAMIN D3

IUPAC Name: 2-[2-[7a-methyl-1-(6-methylheptan-2-yl)-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]ethylidene]-4-hydroxycyclohexan-1-one | CAS Registry Number: 62743-72-0
Synonyms: 19-NK-VD3, 19-Nor-10-ketovitamin D3, CID124941, 5(E)-19-Nor-10-ketocholecalciferol, 19-Nor-9,10-secocholesta-5,7-dien-4-one, 1-hydroxy-, (1alpha,5E,7E)-

Molecular Formula:	C₂₆H₄₂O₂	Molecular Weight:	386.610480 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	2

InChIKey: GBQBUXZDVCNURD-UHFFFAOYSA-N

• 1A,24-DIHYDROXYVITAMIN D3

IUPAC Name: (1R,3S,5Z)-5-[(2E)-2-[(1R,3aS,7aR)-1-[(2R)-5-hydroxy-6-methylheptan-2-yl]-7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]ethylidene]-4-methylidenecyclohexane-1,3-diol | CAS Registry Number: 60965-80-2
Synonyms: tacalcitol, Curatoderm, 1,24-Dihydroxyvitamin D3, 1,24-Dihydroxycholecalciferol, 1alpha,24-Dihydroxyvitamin D3, 1alpha,24-Dihydroxycholecalciferol, 1 alpha,24-dihydroxyvitamin D3, 1 alpha,24-dihydroxycholecalciferol, C27H44O3, CID6437387, LS-176138, (1alpha,3beta,5Z,7E)-9,10-Secocholesta-5,7,10(19)-triene-1,3,24-triol, 9,10-Secocholesta-5,7,10(19)-triene-1,3,24-triol, (1alpha,3beta,5Z,7E)-, (1 alpha,3 beta,5Z,7E)-9,10-secocholesta-5,7,10(19)-triene-1,3,24-triol

Molecular Formula:	C₂₇H₄₄O₃	Molecular Weight:	416.636460 [g/mol]
H-Bond Donor:	3	H-Bond Acceptor:	3

InChIKey: BJYLYJCXYAMOFT-RRXOBRNQSA-N

• 1A-(HYDROXYMETHYL)-25-HYDROXYVITAMIN D3

IUPAC Name: (1S,3Z,5S)-3-[(2E)-2-[(1R,3aS,7aR)-1-[(2R)-6-hydroxy-6-methylheptan-2-yl]-7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]ethylidene]-5-(hydroxymethyl)-4-methylidenecyclohexan-1-ol | CAS Registry Number: 142508-67-6
Synonyms: 1-Hmhv D3, LMST03020341, CID6438752, 1alpha-(Hydroxymethyl)-25-hydroxyvitamin D3, 9,10-Secocholesta-5,7,10(19)-triene-3,25-diol, 1-(hydroxymethyl)-, (1alpha,3beta,5Z,7E)-

Molecular Formula:	C₂₈H₄₆O₃	Molecular Weight:	430.663040 [g/mol]
H-Bond Donor:	3	H-Bond Acceptor:	3

InChIKey: PHNIFGLIGXOIQV-PNPXQVCKSA-N

• 2-(3,4-DIMETHOXYBENZYL)-3-(N-BENZYL-4-PIPERIDINE)PROPANOIC ACID(DONEPEZIL INTERMEDIATE) (CAS: 259170-03-1)

• (3S)-tert-Butyldimethylsilyl Vitamin D2 SO2 Adduct (Mixture of Diastereomers)

IUPAC Name: [(5S)-3-[(E)-[(1R,3aS,7aR)-1-[(E,2R,5R)-5,6-dimethylhept-3-en-2-yl]-7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]methyl]-2,2-dioxo-1,3,4,5,6,7-hexahydro-2-benzothiophen-5-yl]oxy-tert-butyl-dimethylsilane | CAS Registry Number: 251445-16-6
Synonyms: (1,1-Dimethylethyl)dimethyl[[(1|A,7E,22E)-6,19-sulfonyl-9,10-secoergosta-5(10),7,22-trien-3-yl]oxy]silane

Molecular Formula:	C₃₄H₅₈O₃SSi	Molecular Weight:	574.973020 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	3

InChIKey: ISXKXFGJQNACAU-NYGAKBRBSA-N

• 1?,26-Dihydroxy Vitamin D3

IUPAC Name: (1R,3S,5Z)-5-[(2E)-2-[(1R,3aS,7aR)-1-[(2R)-7-hydroxy-6-methylheptan-2-yl]-7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]ethylidene]-4-methylidenecyclohexane-1,3-diol | CAS Registry Number: 300692-92-6
Synonyms: 1|A,26-Dihydroxy Vitamin D3, (1|A,3|A,5Z,7E)-9,10-Secocholesta-5,7,10(19)-triene-1,3,26-triol

Molecular Formula:	C₂₇H₄₄O₃	Molecular Weight:	416.636460 [g/mol]
H-Bond Donor:	3	H-Bond Acceptor:	3

InChIKey: LTDVBAXFIVSUFW-IQLPMBEJSA-N

• 1?-Hydroxy Vitamin D2

IUPAC Name: (1R,3R,5Z)-5-[(2E)-2-[(1R,3aS,7aR)-1-[(E,2R,5R)-5,6-dimethylhept-3-en-2-yl]-7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]ethylidene]-4-methylidenecyclohexane-1,3-diol | CAS Registry Number: 127516-23-8
Synonyms: 1|A-Hydroxy Vitamin D2, (1|A,3|A,5Z,7E,22E)-9,10-Secoergosta-5,7,10(19),22-tetraene-1,3-diol

Molecular Formula:	C₂₈H₄₄O₂	Molecular Weight:	412.647760 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	2

InChIKey: HKXBNHCUPKIYDM-BLKIPSJVSA-N

• 1?-Hydroxy Vitamin D3

IUPAC Name: (1R,3R,5Z)-5-[(2E)-2-[(1R,3aS,7aR)-7a-methyl-1-[(2R)-6-methylheptan-2-yl]-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]ethylidene]-4-methylidenecyclohexane-1,3-diol | CAS Registry Number: 63181-13-5
Synonyms: 1|A-Calcidol, AC1NR2VI, 1|A-Hydroxy Vitamin D3, LMST03020235, 1beta-hydroxyvitamin D3 / 1beta-hydroxycholecalciferol, (1|A,3|A,5Z,7E)- 9,10-Secocholesta-5,7,10(19)-triene-1,3-diol, (5Z,7E)-(1R,3R)-9,10-seco-5,7,10(19)-cholestatriene-1,3-diol, (1R,3R,5Z)-5-[(2E)-2-[(1R,3aS,7aR)-7a-methyl-1-[(2R)-6-methylheptan-2-yl]-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]ethylidene]-4-methylidenecyclohexane-1,3-diol

Molecular Formula:	C₂₇H₄₄O₂	Molecular Weight:	400.637060 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	2

InChIKey: OFHCOWSQAMBJIW-FLFCXVRSSA-N

• (+/-)-2-Acetylaminobutanoic Acid-d3

IUPAC Name: 2-acetamido-4,4,4-trideuteriobutanoic acid

Molecular Formula:	C₆H₁₁NO₃	Molecular Weight:	148.174925 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	3

InChIKey: WZVZUKROCHDMDT-FIBGUPNXSA-N

• (+/-)-2-Aminobutyric Acid-d3

• (S)-3,4-Dihydro-4-hydroxy-2-(3-methoxypropyl)-4H-thieno[3,2-e]-1,2-thiazine-6-sulfonamide 1,1-dioxide; Brinzolamide intermediate

IUPAC Name: methyl N-[[(4S)-4-hydroxy-2-(3-methoxypropyl)-1,1-dioxo-3,4-dihydrothieno[3,2-e]thiazin-6-yl]sulfonyl]ethanimidate | CAS Registry Number: 221910-88-9
Synonyms: (S,E)-Methyl N-(4-hydroxy-2-(3-methoxypropyl)-1,1-dioxido-3,4-dihydro-2H-thieno[3,2-e][1,2]thiazin-6-yl)sulfonylacetimidate, CTK8C0592, ANW-64936, KB-212056

Molecular Formula:	C₁₃H₂₀N₂O₇S₃	Molecular Weight:	412.502100 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	10

InChIKey: NGMFMGBINCLKCA-LLVKDONJSA-N

• 1?,24,25-Trihydroxyvitamin D3; Calcitetrol

IUPAC Name: (1R,3S,5Z)-5-[(2E)-2-[(1R,3aS,7aR)-1-[(2R)-5,6-dihydroxy-6-methylheptan-2-yl]-7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]ethylidene]-4-methylidenecyclohexane-1,3-diol | CAS Registry Number: 72203-93-1
Synonyms: calcitetrol, Calcitetrol|72203-93-1, CS-0808, HY-15157, C18231

Molecular Formula:	C₂₇H₄₄O₄	Molecular Weight:	432.635860 [g/mol]
H-Bond Donor:	4	H-Bond Acceptor:	4

InChIKey: WFZKUWGUJVKMHC-QPGHTDHKSA-N