Chemical identity

Nimesulide EP Impurity B

CAS 51765-51-6 · C13H13NO3S

01Identity

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

Lazychem IDLC-23460
PubChem CID103958
NameNimesulide EP Impurity B
CAS RN51765-51-6
Molecular formulaC13H13NO3S
Molecular weight263.31 g/mol
IUPAC nameN-(2-Phenoxyphenyl)methanesulphonamide
InChIKeyWSFHNGGYRUTXFN-UHFFFAOYSA-N

02Structure identifiers

2D structurePubChem CID 103958
Two-dimensional chemical structure of Nimesulide EP Impurity B, CAS 51765-51-6
Two-dimensional structure for the PubChem identity linked to this record. Confirm the identifiers before analytical use.

The parsed structure contains 2 rings, includes aromatic atoms, includes aliphatic carbon. These statements are calculated from the published structure string.

Defined stereocentres0
Unassigned stereocentres0
Ring count2
Secondary amines0
Tertiary amines0
N-methyl amine sites0
SMILESCS(=O)(=O)NC1=CC=CC=C1OC2=CC=CC=C2
InChINot listed
Formula from structureC13H13NO3S
Molecular weight from structure263.31 g/mol

03India 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 51765-51-6 has no exact match in the reviewed published schedule.
SCOMETNO EXACT REVIEWED CAS MATCHCAS 51765-51-6 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.

04Names and relationships

Associated parent compound

Nimesulide

View API and impurity family

Other names

  • Nimesulide BP Impurity B

Related records from the same parent family

05Documented 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.

06Sources