120202-71-3

Basic information

• Product Name: CLOPIDOGREL RELATED COMPOUND C (20 MG) (METHYL (-)-(R)-(O-CHLOROPHENYL)-6,7-DIHYDROTHIE-NO[3,2-C]PYRIDINE-5(4H)-ACETATE, HYDROGEN SUL- FATE)
• Synonyms: (R)-Methyl 2-(2-chlorophenyl)-2-(6,7-dihydrothieno[3,2-c]pyridin-5(4H)-yl)acetate sulfate;(R)-Methyl (2-chlorophenyl)(6,7-dihydro-4H-thieno[3,2-c]pyridin-5-yl)acetate hydrogensulfate;Clopidogrel Impurity C;Clopidogrel Impurity III;Clopidogrel EP impurity-C (USP RC C);-2-(6,7-dihydrothieno[3,2-c]pyridin-5(4H);acetate sulfate;CLOPIDOGREL RELATED COMPOUND C (20 MG) (METHYL (-)-(R)-(O-CHLOROPHENYL)-6,7-DIHYDROTHIE-NO[3,2-C]PYRIDINE-5(4H)-ACETATE, HYDROGEN SUL- FATE)
• CAS NO: 120202-71-3
• Molecular Formula: C16H18ClNO6S2
• Molecular Weight: 419.90022
• Product Categories: Chiral Reagents;Heterocycles;Intermediates & Fine Chemicals;Pharmaceuticals;Sulfur & Selenium Compounds
• Mol File: 120202-71-3.mol
• Article Data: 86

Chemical Properties

• Melting Point: 47-49°C
• Boiling Point: 423.7 °C at 760 mmHg
• Flash Point: 210 °C
• Appearance: /
• Vapor Pressure: 2.19E-07mmHg at 25°C
• Storage Temp.: Hygroscopic, Refrigerator, Under Inert Atmosphere
• Stability: Very Hygroscopic
• CAS DataBase Reference: CLOPIDOGREL RELATED COMPOUND C (20 MG) (METHYL (-)-(R)-(O-CHLOROPHENYL)-6,7-DIHYDROTHIE-NO[3,2-C]PYRIDINE-5(4H)-ACETATE, HYDROGEN SUL- FATE)(CAS DataBase Reference)
• NIST Chemistry Reference: CLOPIDOGREL RELATED COMPOUND C (20 MG) (METHYL (-)-(R)-(O-CHLOROPHENYL)-6,7-DIHYDROTHIE-NO[3,2-C]PYRIDINE-5(4H)-ACETATE, HYDROGEN SUL- FATE)(120202-71-3)
• EPA Substance Registry System: CLOPIDOGREL RELATED COMPOUND C (20 MG) (METHYL (-)-(R)-(O-CHLOROPHENYL)-6,7-DIHYDROTHIE-NO[3,2-C]PYRIDINE-5(4H)-ACETATE, HYDROGEN SUL- FATE)(120202-71-3)

Safety Data

• Hazard Codes: C,Xi
• Statements: 34-41
• Safety Statements: 26-36/37/39-45
• RIDADR: UN 3261 8 / PGIII
• Hazardous Substances Data: 120202-71-3(Hazardous Substances Data)

Usage

Chemical Properties

CLOPIDOGREL RELATED COMPOUND C (20 MG) (METHYL (-)-(R)-(O-CHLOROPHENYL)-6,7-DIHYDROTHIE-NO[3,2-C]PYRIDINE-5(4H)-ACETATE, HYDROGEN SUL- FATE) is Off-White Solid

Uses

CLOPIDOGREL RELATED COMPOUND C (20 MG) (METHYL (-)-(R)-(O-CHLOROPHENYL)-6,7-DIHYDROTHIE-NO[3,2-C]PYRIDINE-5(4H)-ACETATE, HYDROGEN SUL- FATE) is used as an antithrombotic.

InChI:InChI=1/C16H16ClNO2S.H2O4S/c1-20-16(19)15(12-4-2-3-5-13(12)17)18-8-6-14-11(10-18)7-9-21-14;1-5(2,3)4/h2-5,7,9,15H,6,8,10H2,1H3;(H2,1,2,3,4)/t15-;/m1./s1

Upstream product

• 7664-93-9 sulfuric acid 
• 113665-84-2 (S)-(+)-clopidogrel 
• 120202-66-6 (S)-(+)-clopidogrel bisulfate 
• 50-00-0 formaldehyd 
• 85259-19-4 methyl 2-bromo-2-(2-chlorophenyl)acetate 
• 1233025-55-2 (S)-clopidogrel hydrogen sulfate 
• 120202-69-9 methyl (R)-2-(2-chlorophenyl)-2-(4,5,6,7-tetrahydrothieno[3,2-c]pyridin-5-yl)acetate 
• 120202-71-3 clopidogrel hydrogen sulfate 
• 90055-48-4 clopidogrel 
• 622835-92-1 N,N''-bis-4,5,6,7-tetrahydro[3,2-c]thienopyridylmethane 
• 30433-91-1 [2-(2-thyenyl)ethyl]amine 
• 28783-41-7 6,7-dihydro-4H-thieno[3,2-c]pyridine hydrochloride 
• 141109-18-4 (S)-(+)-α-(2-thienylethylamino)-α-(2-chlorophenyl)acetic acid methyl ester hydrochloride 
• 64-18-6 formic acid 

Downstream Products

• 90055-48-4 clopidogrel 
• 1326217-43-9 (S)-methyl 2-(2-bromo-6,7-dihydrothieno[3,2-c]pyridin-5(4H)-yl)-2-(2-chlorophenyl)acetate 
• 1373491-51-0 4-(2-chlorophenyl)-4-(6,7-dihydro-4H-thieno[3,2-c]pyridine-5-yl)butan-1-ol 
• 1373491-72-5 4-(2-chlorophenyl)-4-(6,7-dihydro-4H-thieno[3,2-c]pyridine-5-yl)butyric acid ethyl ester 
• 1373492-23-9 2-((2-chlorophenyl)-2-(6,7-dihydro-4H-thieno[3,2-c]pyridin-5-yl)ethyl)malonic acid diethyl ester 
• 1373492-22-8 5-(2-chloro-1-(2-chlorophenyl)ethyl)-4,5,6,7-tetrahydrothieno[3,2-c]pyridine 

Relevant articles and documents

Similarity of solid state structures of R- and S-isomers of clopidogrel hydrogensulphate salt

The present study showed, that the crystal structures of R-isomer and the polymorphic form 1 of clopidrogrel hydrogensulphate S-isomer are very similar.

Preparation method of clopidogrel hydrogen sulfate and intermediate N-(2-thiopheneethyl) methyleneimine of clopidogrel hydrogen sulfate

The invention discloses a preparation method of clopidogrel hydrogen sulfate and an intermediate N-(2-thiophene ethyl) methyleneamine of the clopidogrel hydrogen sulfate. The synthesis method of the intermediate comprises the step of carrying out an Eschweiler-Clarke methylation reaction by taking 2-thiophene ethylamine and paraformaldehyde as raw materials to obtain the N-(2-thiophene ethyl) methyleneamine. The invention also provides a method for preparing clopidogrel hydrogen sulfate. According to the synthesis method provided by the invention, the required solid product (N-(2-thiopheneethyl) methyleneimine) is synthesized in one step, the synthesis method is simple, the qualified solid compound is directly obtained, the time and the raw material cost are saved, the storage and the transportation are convenient, the purity is good, the yield is high, and the synthesis method is suitable for industrial production.

Preparation method of clopidogrel hydrogen sulfate

The invention relates to a preparation method of clopidogrel hydrogen sulfate. The preparation method comprises the following steps: reacting (S)-o-chlorophenylglycine methyl ester with 1, 1, 1, 3, 3,3-hexamethyldisilazane to obtain trimethylsilyl protected (S)-o-chlorophenylglycine methyl ester; in the presence of acetonitrile, superfine powder potassium carbonate and the trimethylsilyl protected (S)-o-chlorophenylglycine methyl ester, adding 2- (2-bromoethyl) thiophene, evaporating acetonitrile in batches, adding water and methyl acetate, extracting to obtain a methyl acetate solution of (S)-2-thiophene ethylamino-2-chlorophenylmethyl acetate, dropwise adding concentrated hydrochloric acid, carrying out pulping and cooling to obtain (S)-2-thiophene ethylamino methyl-2-chlorophenyl acetate hydrochloride, mixing the (S)-2-thiophene ethylamino methyl-2-chlorophenyl acetate hydrochloride with a formaldehyde aqueous solution for reaction, and carrying out reaction with concentrated sulfuric acid to obtain the clopidogrel hydrogen sulfate. According to the method, the high-purity (S)- 2-thiophene ethylamino-2-chlorophenyl methyl acetate hydrochloride and clopidogrel hydrogen sulfate can be obtained with high efficiency and high yield, and the method is suitable for industrial production.