Chemical identity

Clopidogrel EP Impurity A (HCl salt)

CAS 144750-42-5 · C15H15Cl2NO2S

01Identity

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

Lazychem IDLC-11273
PubChem CID45358950
NameClopidogrel EP Impurity A (HCl salt)
CAS RN144750-42-5
Molecular formulaC15H15Cl2NO2S
Molecular weight344.26 g/mol (salt); 307.08g/mol (free base)
IUPAC name(2S)-2-(2-Chlorophenyl)-2-[6,7-dihydrothieno[3,2-c]pyridin-5(4H)-yl]acetic acid hydrochloride
InChIKeyFOKSIOUPGDBSLC-UQKRIMTDSA-N

02Structure identifiers

2D structurePubChem CID 45358950
Two-dimensional chemical structure of Clopidogrel EP Impurity A (HCl salt), CAS 144750-42-5
Two-dimensional structure for the PubChem identity linked to this record. Confirm the identifiers before analytical use.

The parsed structure contains 3 rings, includes aromatic atoms, includes aliphatic carbon, has 1 defined stereocentre, contains at least one halogen atom. These statements are calculated from the published structure string.

Defined stereocentres1
Unassigned stereocentres0
Ring count3
Secondary amines0
Tertiary amines1
N-methyl amine sites0
SMILESC1CN(CC2=C1SC=C2)[C@@H](C3=CC=CC=C3Cl)C(=O)O.Cl
InChINot listed
Formula from structureC15H15Cl2NO2S
Molecular weight from structure344.26 g/mol

03Stereochemistry

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

Defined centres1Structure assigned
Unassigned centres0Structure unspecified
Assignment statusFully assignedExact published identity
Tetrahedral upper bound≤ 2Before symmetry reduction

Published same-connectivity configurations

2 records

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.

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 / RCSNO EXACT MATCH FOUNDCAS 144750-42-5 has no exact match in the reviewed published schedule.
SCOMETNO EXACT REVIEWED CAS MATCHCAS 144750-42-5 has no exact match in the reviewed SCOMET list.
Review date2026-08-01Recheck the current official instruments for the material, concentration, activity and date in question.

05Names and relationships

Associated parent compound

Clopidogrel

View API and impurity family

Other names

  • Clopidogrel Acid S-Isomer HCl (HCl salt)
  • Clopidogrel Related Compound A (HCl Salt)

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