Chemical identity

Cefamandole Impurity N2

CAS 80543-51-7 · C9H7ClO3

01Identity

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

Lazychem IDLC-09717
PubChem CID40488243
NameCefamandole Impurity N2
CAS RN80543-51-7
Molecular formulaC9H7ClO3
Molecular weight198.60 g/mol
IUPAC name(S)-2-chloro-2-oxo-1-phenylethyl formate
InChIKeyZNLABNPTWSKGDX-QMMMGPOBSA-N

02Structure identifiers

2D structurePubChem CID 40488243
Two-dimensional chemical structure of Cefamandole Impurity N2, CAS 80543-51-7
Two-dimensional structure for the PubChem identity linked to this record. Confirm the identifiers before analytical use.

The parsed structure contains 1 ring, 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 count1
Secondary amines0
Tertiary amines0
N-methyl amine sites0
SMILESC1=CC=C(C=C1)[C@@H](C(=O)Cl)OC=O
InChINot listed
Formula from structureC9H7ClO3
Molecular weight from structure198.60 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 80543-51-7 has no exact match in the reviewed published schedule.
SCOMETNO EXACT REVIEWED CAS MATCHCAS 80543-51-7 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

Cefamandole

View API and impurity family

Other names

  • Cefamandole Impurity 22
  • Cefamandole Impurity N2
  • 80543-51-7
  • AKOS006305892
  • (S)-2-chloro-2-oxo-1-phenylethyl formate
  • Mandelic Acid 13
  • Cefamandole Nafate Impurity A

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