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Profile: Qingdao Secretary Chen Biotechnology Co., Ltd. deals with pharmaceutical intermediates and chemical reagents. Our product line includes L-biopte, boc-L-phenylalanine, arecoline hydrobromide, L-biopterin, trichloro acetic acid, ethyl methylamine cefotaxime, double(4-nitrophenyl)phosphate, 2-chlorine-6-fluorobenzonitrile, L-phenylalaninol and united furan.

11 Products/Chemicals (Click for related suppliers)

• Ethyl (Z)-2-(2-aminothiazol-4-yl)-2-hydroxyiminoacetate

IUPAC Name: ethyl (2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-hydroxyiminoacetate | CAS Registry Number: 64485-82-1
Synonyms: EINECS 262-468-4, EINECS 264-910-1, ZINC00056639, ST5307126, Ethyl 2-amino-alpha-(hydroxyimino)thiazol-4-acetate, Ethyl (Z)-2-amino-alpha-(hydroxyimino)thiazol-4-acetate, 60845-81-0

Molecular Formula:	C₇H₉N₃O₃S	Molecular Weight:	215.229660 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	6

InChIKey: BTEPYCPXBCCSDL-YHYXMXQVSA-N

• Nitroacetonitrile

IUPAC Name: 2-nitroacetonitrile | CAS Registry Number: 13218-13-8
Synonyms: 2-nitroacetonitrile, DWBOSISZPCOPFS-UHFFFAOYSA-N, AC1LBV0U, C2H2N2O2, MolPort-028-754-485, ZINC100085645, OR213593, Z3347

Molecular Formula:	C₂H₂N₂O₂	Molecular Weight:	86.050 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	3

InChIKey: DWBOSISZPCOPFS-UHFFFAOYSA-N

• tert-Butyl [(1S,2R)-1-benzyl-2-hydroxy-3-[isobutyl[(4-nitrophenyl)sulfonyl]amino]propyl]carbamate

IUPAC Name: tert-butyl N-[(2S,3R)-3-hydroxy-4-[2-methylpropyl-(4-nitrophenyl)sulfonylamino]-1-phenylbutan-2-yl]carbamate | CAS Registry Number: 191226-98-9
Synonyms: tert-Butyl ((2S,3R)-3-hydroxy-4-(N-isobutyl-4-nitrophenylsulfonamido)-1-phenylbutan-2-yl)carbamate, TERT-BUTYL [(1S,2R)-1-BENZYL-2-HYDROXY-3-[ISOBUTYL[(4-NITROPHENYL)SULFONYL]AMINO]PROPYL]CARBAMATE, SureCN1104908, CTK8C0817, MolPort-003-844-860, ANW-65316, ZINC22050767, AKOS015904187, AM84661, RL02417, AK102873, KB-259920, FT-0662798, I14-16837, [(1S,2R)-1-Benzyl-2-hydroxy-3-[isobutyl[(4-nitro-phenyl)sulfonyl)]amino]propyl]-carbamic Acid tert-Butyl Ester, N-[(1S,2R)-2-Hydroxy-3-[(2-methylpropyl)[(4-nitrophenyl)sulfonyl]amino]-1-(phenylmethyl)propyl]-carbamic Acid 1,1-Dimethylethyl Ester

Molecular Formula:	C₂₅H₃₅N₃O₇S	Molecular Weight:	521.626300 [g/mol]
H-Bond Donor:	2	H-Bond Acceptor:	8

InChIKey: CQGKCZKCWMWXQP-XZOQPEGZSA-N

• Tetrahydrobiopterin

IUPAC Name: 2-amino-6-(1,2-dihydroxypropyl)-5,6,7,8-tetrahydro-1H-pteridin-4-one | CAS Registry Number: 17528-72-2
Synonyms: tetrahydrobiopterin, Sapropterin, Thbp, tetra-H-biopterin, tetra-hydro-biopterin, tetrahydro-6-biopterin, 5,6,7,8-tetrahydrobiopterin, BPH4, phenylalanine hydroxylase cofactor, 5,6,7,8 Tetrahydrobiopterin, 5,6,7,8-tetra-H-biopterin, 6R-BH4, 5,6,7,8-tetrahydrodictyopterin, C9H15N5O3, CHEBI:15372, CID1125, 5,6,7,8-erythro-tetrahydrobiopterin, CHEBI:331300, BRN 0544742, DB00360

Molecular Formula:	C₉H₁₅N₅O₃	Molecular Weight:	241.247100 [g/mol]
H-Bond Donor:	6	H-Bond Acceptor:	7

InChIKey: FNKQXYHWGSIFBK-UHFFFAOYSA-N

• 6-Biopterin

IUPAC Name: 2-amino-6-[(1S,2R)-1,2-dihydroxypropyl]-1H-pteridin-4-one | CAS Registry Number: 22150-76-1
Synonyms: biopterin, Pterin H B2, L-Erythro-Biopterin, CID444475, NSC339699, 4(3H)-Pteridinone, 2-amino-6-(L-erythro-1,2-dihydroxypropyl)-, 4(1H)-Pteridinone, 2-amino-6-(1,2-dihydroxypropyl)-, [S-(R*,S*)]-, BIO, H4B

Molecular Formula:	C₉H₁₁N₅O₃	Molecular Weight:	237.215340 [g/mol]
H-Bond Donor:	4	H-Bond Acceptor:	7

InChIKey: LHQIJBMDNUYRAM-AWFVSMACSA-N

• 1-Methyl 2,2-dimethylsuccinate

IUPAC Name: 4-methoxy-3,3-dimethyl-4-oxobutanoic acid | CAS Registry Number: 32980-26-0
Synonyms: 4-methoxy-3,3-dimethyl-4-oxobutanoic acid, 1-Methyl2,2-dimethylsuccinate, 3-Carbomethoxy-3-methylbutanoic Acid, AGN-PC-003GYT, 1-methyl-2,2-dimethylsuccinate, MolPort-001-788-278, ANW-45578, SBB066014, AKOS006317183, AK-48155, KB-12716, 2,2-Dimethyl-succinic acid 1-methyl ester, 2,2-Dimethylbutanedioic Acid 1-Methyl Ester, A5892, AM20090494, FT-0656013, W5470, I04-1131

Molecular Formula:	C₇H₁₂O₄	Molecular Weight:	160.167780 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	4

InChIKey: NENLLFGJFVVZEU-UHFFFAOYSA-N

• (3R,3aS,6aR)-Hexahydrofuro[2,3-b]furan-3-ol

IUPAC Name: (3aS,4R,6aR)-2,3,3a,4,5,6a-hexahydrofuro[2,3-b]furan-4-ol | CAS Registry Number: 156928-09-5
Synonyms: (3r,3as,6ar)-Hexahydrofuro[2,3-B]furan-3-Ol, RSF, SureCN254907, MolPort-020-008-041, AK114011, AB1006208, KB-207525, FT-0686542, I14-14143

Molecular Formula:	C₆H₁₀O₃	Molecular Weight:	130.141800 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	3

InChIKey: RCDXYCHYMULCDZ-HCWXCVPCSA-N

• 1,1-Bis(methylthio)-2-Nitroethylene

IUPAC Name: 1,1-bis(methylsulfanyl)-2-nitroethene | CAS Registry Number: 13623-94-4
Synonyms: Nitroketene dimethyl mercaptal, 1,1-Bis(methylthio)-2-nitroethylene, 279706_ALDRICH, CID83623, EINECS 237-108-4, NSC241513, ZINC01763921, 1-Nitro-2,2-bis(methylthio)ethylene, BBV-181843, NSC 241513, Ethene, 1,1-bis(methylthio)-2-nitro-, I03-0090

Molecular Formula:	C₄H₇NO₂S₂	Molecular Weight:	165.233880 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	2

InChIKey: NXGHEDHQXXXTTP-UHFFFAOYSA-N

• (3aS,6aR)-Tetrahydro-4-Methoxyfuro[3,4-B]furan-2(3H)-One

IUPAC Name: (3aS,6aR)-4-methoxy-3a,4,6,6a-tetrahydro-3H-furo[2,3-c]furan-2-one | CAS Registry Number: 501921-30-8
Synonyms: (3aS,6aR)-4-Methoxytetrahydrofuro[3,4-b]furan-2(3H)-one, SureCN3955376, CTK8C0809, ANW-65307, AKOS006303361, AK102883, KB-207141, I14-14703

Molecular Formula:	C₇H₁₀O₄	Molecular Weight:	158.151900 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	4

InChIKey: LQEIOPTZKCKTPQ-CNGBTNQNSA-N

• 4-Nitrobenzene sulfonyl chloride

IUPAC Name: 4-nitrobenzenesulfonyl chloride | CAS Registry Number: 98-74-8
Synonyms: 4-Nitrobenzenesulfonyl chloride, 4-Nitrobenzenesulphonyl chloride, p-Nitrophenylsulfonyl chloride, 4-Nitrophenylsulfonyl chloride, Benzenesulfonyl chloride, p-nitro-, 170925_ALDRICH, 272248_ALDRICH, Benzenesulfonyl chloride, 4-nitro-, STOCK2S-65078, 4-Nitrobenzenesulfonic acid chloride, NSC9572, P-NITROBENZENESULFONYL CHLORIDE, NSC13065, EINECS 202-697-9, NSC 13065, Benzenesulfonyl chloride, p-nitro- (8CI), AI3-52248, TL8006052

Molecular Formula:	C₆H₄ClNO₄S	Molecular Weight:	221.618260 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	4

InChIKey: JXRGUPLJCCDGKG-UHFFFAOYSA-N

• 2-Amino-1,3,4-thiadiazole

IUPAC Name: 1,3,4-thiadiazol-2-amine | CAS Registry Number: 4005-51-0
Synonyms: Aminothiadiazole, Aminothiadazole, 2-Aminothiadiazole, ATDA, 1,3,4-Thiadiazol-2-amine, ADTA, A-TDA, 1,3,4-Thiadiazole, 2-amino, NCIMech_000679, NSC4728, C2H3N3S, FDA 0084, NSC 4728, TF 128, 1,3,4-Thiadiazole-2-ylamine, 258881_ALDRICH, 2-Amino-1-thia-3,4-diazole, NSC-4728, EINECS 223-657-7, 1,3,4-THIADIAZOLE, 2-AMINO-

Molecular Formula:	C₂H₃N₃S	Molecular Weight:	101.130320 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	3

InChIKey: QUKGLNCXGVWCJX-UHFFFAOYSA-N