CAS No 113665-84-2 , methyl
(2S)-2-(2-chlorophenyl)-2-(6,7-dihydro-4H-thieno[3,
2-c]pyridin-5-yl)acetate

Title: Clopidogrel
CAS Registry Number: 113665-84-2
CAS Name: (aS)-a-(2-Chlorophenyl)-6,7-dihydrothieno[3,2-c]pyridine-5(4H)-acetic acid methyl ester
Synonyms: methyl (+)-(S)-a-(o-chlorophenyl)-6,7-dihydrothieno[3,2-c]pyridine-5(4H)-acetate; (+)-methyl-a-5-[4,5,6,7-tetrahydro[3,2-c]thienopyridyl]-(2-chlorophenyl)acetate
Manufacturers' Codes: SR-25990
Molecular Formula: C16H16ClNO2S
Molecular Weight: 321.82
Percent Composition: C 59.71%, H 5.01%, Cl 11.02%, N 4.35%, O 9.94%, S 9.96%
Literature References: Analog of ticlopidine, q.v.; inhibits ADP-induced platelet aggregation. Prepn (unspec. stereochem.): D. Aubert et al., EP 99802; eidem, US 4529596 (1984, 1985 both to Sanofi). Prepn of (+)-form: A. Badorc, D. Fréhel, EP 281459; eidem, US 4847265 (1988, 1989 both to Sanofi). Clinical pharmacology and mechanism of action: D. C. B. Mills et al., Arterioscler. Thromb. 12, 430 (1992). Clinical trial vs aspirin for prevention of atherothrombotic events: CAPRIE Steering Committee, Lancet 348, 1329 (1996). Review of pharmacology and therapeutic potential: G. Feuerstein et al., Expert Opin. Invest. Drugs 4, 425-430 (1995); of use in secondary prevention in stroke: H.-C. Diener et al., Expert Opin. Pharmacother. 6, 755-764 (2005).
Properties: Colorless oil. [a]D20 +51.52° (c = 1.61 in methanol).
Optical Rotation: [a]D20 +51.52° (c = 1.61 in methanol)
 
Derivative Type: Hydrogen sulfate
CAS Registry Number: 135046-48-9
Manufacturers' Codes: SR-25990C
Trademarks: Plavix (Sanofi)
Molecular Formula: C16H16ClNO2S.H2SO4
Molecular Weight: 419.90
Percent Composition: C 45.77%, H 4.32%, Cl 8.44%, N 3.34%, O 22.86%, S 15.27%
Properties: White crystals, mp 184°. [a]D20 +55.10° (c = 1.891 in methanol). Sol in water, methanol.
Melting point: mp 184°
Optical Rotation: [a]D20 +55.10° (c = 1.891 in methanol)
 
Therap-Cat: Antithrombotic.
Keywords: Antithrombotic.