Chemical identity

Cefoxitin EP Impurity H

CAS 37051-05-1 · C15H15N3O6S2

01Identity

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

Lazychem IDLC-10006
PubChem CID12767996
NameCefoxitin EP Impurity H
CAS RN37051-05-1
Molecular formulaC15H15N3O6S2
Molecular weight397.42 g/mol
IUPAC name(6R,7R)-3-((carbamoyloxy)methyl)-8-oxo-7-(2-(thiophen-2-yl)acetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
InChIKeyYZKJQBUBQFJLMF-ZWNOBZJWSA-N

02Structure identifiers

2D structurePubChem CID 12767996
Two-dimensional chemical structure of Cefoxitin EP Impurity H, CAS 37051-05-1
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 2 defined stereocentres. These statements are calculated from the published structure string.

Defined stereocentres2
Unassigned stereocentres0
Ring count3
Secondary amines0
Tertiary amines0
N-methyl amine sites0
SMILESC1C(=C(N2[C@H](S1)[C@@H](C2=O)NC(=O)CC3=CC=CS3)C(=O)O)COC(=O)N
InChINot listed
Formula from structureC15H15N3O6S2
Molecular weight from structure397.42 g/mol

03Stereochemistry

The published structure contains 2 defined and 0 unassigned tetrahedral stereocentres. The exact wedge and dash depiction is shown above.

Defined centres2Structure assigned
Unassigned centres0Structure unspecified
Assignment statusFully assignedExact published identity
Tetrahedral upper bound≤ 4Before 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 / RCSNO EXACT MATCH FOUNDCAS 37051-05-1 has no exact match in the reviewed published schedule.
SCOMETNO EXACT REVIEWED CAS MATCHCAS 37051-05-1 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

Cefoxitin

View API and impurity family

Other names

  • Cefoxitin Impurity 2 / Cefoxitin EP Impurity H /Desmethoxy Cefoxitin
  • Cefoxitin Impurity 2
  • Cefoxitin EP Impurity H
  • Desmethoxy Cefoxitin
  • (6R-trans)-3-((Carbamoyloxy)methyl)-8-oxo-7-(2-thienylacetamido)-5-thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid
  • 37051-05-1
  • Cephalosporin 87/359(Cefoxitin Impurity H)
  • (6R,7R)-3-(carbamoyloxymethyl)-8-oxo-7-[(2-thiophen-2-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
  • (6R,7R)-3-[(carbamoyloxy)methyl]-8-oxo-7-[2-(thiophen-2-yl)acetamido]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
  • Cefoxitin Impurity 21
  • EINECS 253-324-1
  • EINECS 256-911-0

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