Chemical identity

Cephalosporin Lactone Impurity/ Desacetyl-7-ACA Lactone

CAS 184696-69-3 · C8H8N2O3S

01Identity

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

Lazychem IDLC-10296
PubChem CID14718021
NameCephalosporin Lactone Impurity/ Desacetyl-7-ACA Lactone
CAS RN184696-69-3
Molecular formulaC8H8N2O3S
Molecular weight212.23 g/mol
IUPAC name(5aR,6R)-6-amino-5a,6-dihydroazeto[2,1-b]furo[3,4-d][1,3]thiazine-1,7(3H,4H)-dione
InChIKeyPEXXBWBJJAMURF-CLZZGJSISA-N

02Structure identifiers

2D structurePubChem CID 14718021
Two-dimensional chemical structure of Cephalosporin Lactone Impurity/ Desacetyl-7-ACA Lactone, CAS 184696-69-3
Two-dimensional structure for the PubChem identity linked to this record. Confirm the identifiers before analytical use.

The parsed structure contains 3 rings, 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
SMILESC1C2=C(C(=O)O1)N3[C@@H]([C@@H](C3=O)N)SC2
InChINot listed
Formula from structureC8H8N2O3S
Molecular weight from structure212.23 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 184696-69-3 has no exact match in the reviewed published schedule.
SCOMETNO EXACT REVIEWED CAS MATCHCAS 184696-69-3 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

Cephalosporin

View API and impurity family

Other names

  • Cephalosporin Lactone Impurity
  • Desacetyl-7-ACA lactone

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