Chemical identity

Piroxicam EP Impurity E / Piroxicam BP Impurity E

CAS 24683-20-3 · C11H11NO5S

01Identity

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

Lazychem IDLC-25449
PubChem CID607195
NamePiroxicam EP Impurity E / Piroxicam BP Impurity E
CAS RN24683-20-3
Molecular formulaC11H11NO5S
Molecular weight269.27
IUPAC nameEthyl (1,1-dioxido-3-oxo-1,2-benzisothiazol-2(3H)-yl)acetate
InChIKeyYKCQHUPTHHPHGX-UHFFFAOYSA-N

02Structure identifiers

2D structurePubChem CID 607195
Two-dimensional chemical structure of Piroxicam EP Impurity E / Piroxicam BP Impurity E, CAS 24683-20-3
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
SMILESCCOC(=O)CN1C(=O)C2=CC=CC=C2S1(=O)=O
InChINot listed
Formula from structureC11H11NO5S
Molecular weight from structure269.27

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 24683-20-3 has no exact match in the reviewed published schedule.
SCOMETNO EXACT REVIEWED CAS MATCHCAS 24683-20-3 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.

04Names and relationships

Associated parent compound

Piroxicam

View API and impurity family

Other names

  • Piroxicam EP Impurity E
  • Piroxicam BP Impurity E
  • 3-Oxo-1, 2-benzisothiazole-2(3H)-acetic Acid Ethyl Ester 1, 1-Dioxide
  • Ethyl (1, 1-Dioxido-3-oxo-1, 2-benzisothiazol-2(3H)-yl)acetate
  • Saccharin N-(2-acetic acid ethyl ester)
  • 24683-20-3
  • Piroxicam Impurity E
  • Piroxicam impurity E [EP]
  • 1,2-Benzisothiazole-2(3H)-acetic acid, 3-oxo-, ethyl ester, 1,1-dioxide
  • KN712V27AV
  • ethyl (1,1-dioxido-3-oxo-1,2-benzothiazol-2(3H)-yl)acetate
  • DTXSID50179412

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