Chemical identity

Clopidogrel EP Impurity C

CAS 120202-71-3 · C16H16ClNO2S·H2SO4

01Identity

Identifiers and names for this exact compound. Empty fields are left unassigned.

Lazychem IDLC-11276
PubChem CID10002188
NameClopidogrel EP Impurity C
CAS RN120202-71-3
Molecular formulaC16H16ClNO2S·H2SO4
Molecular weight419.90 g/mol
IUPAC nameMethyl (−)-(R)-(o-chlorophenyl)-6,7-dihydrothieno[3,2- c]pyridine-5(4H)-acetate, hydrogen sulfate
InChIKeyFDEODCTUSIWGLK-XFULWGLBSA-N

02Structure identifiers

2D structurePubChem CID 10002188
2D structure: Clopidogrel EP Impurity C, CAS 120202-71-3
Structure of Clopidogrel EP Impurity C (CAS 120202-71-3). LazyChem record. Source identity: PubChem CID 10002188. Confirm the identifiers before analytical use.Download structure image

Structure facts for this exact identity.

Molecular formulaC16H16ClNO2S·H2SO4
InChIKeyFDEODCTUSIWGLK-XFULWGLBSA-N
Ring count3
Defined stereocentres1
Unassigned stereocentres0
SMILESCOC(=O)[C@@H](C1=CC=CC=C1Cl)N2CCC3=C(C2)C=CS3.OS(=O)(=O)O
InChIInChI=1S/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

03Stereochemistry

The published structure contains 1 defined and 0 unassigned tetrahedral stereocentre. The exact wedge-and-dash depiction is shown above.

Defined stereocentres12D structure
Unassigned stereocentres02D structure
Assignment statusFully assignedExact published identity
Tetrahedral upper bound≤ 2Before symmetry reduction

Published same-connectivity configurations

1 record

These records have the same connectivity, molecular formula and protonation layer, but a different complete InChIKey stereochemical layer. Only separately structure-linked records are shown.

No additional structure-linked configuration with the same connectivity is currently present in the LazyChem dataset.

Scope: The mathematical 2^n value is only an upper bound. Symmetry and other stereogenic elements can change the number of distinct stereoisomers. A hypothetical configuration is not published as a compound record without a verified structure identity.

04India status for this compound

These results apply only to this exact compound name and CAS number. Confirm the current official instruments before making a regulatory decision.

NDPS / RCSNOT FOUND IN REVIEWED ENTRIESCAS 120202-71-3 was not found in the reviewed exact-identity entries. Generic, class, analogue, salt and isomer provisions were not evaluated.
SCOMETNOT FOUND IN REVIEWED CAS ENTRIESCAS 120202-71-3 was not found in the reviewed exact-CAS mapping. Generic and analogue entries were not evaluated.

05Names and relationships

Associated parent compound

Clopidogrel

View API and impurity family

Other names

  • Clopidogrel R-Isomer(sulfate salt)
  • methyl (2R)-2-(2-chlorophenyl)-2-{4H,5H,6H,7H-thieno[3,2-c]pyridin-5-yl}acetate
  • sulfuric acid
  • Thieno[3,2-c]pyridine-5(4H)-acetic acid, alpha-(2-chlorophenyl)-6,7-dihydro-, methyl ester, (alphaR)-, sulfate (1:1)
  • Clopidogrel Related Compound C / R-Isomer

Related records from the same parent family

06Documented history

Dated discovery, occurrence, use and issue claims are published only when a suitable primary or government source is available.

No dated history available

No verified discovery, first report, occurrence, use or issue event is currently available for this identity.

07Sources