Chemical identity

Piroxicam EP Impurity D / Piroxicam Related Compound D / Piroxicam BP Impurity D

CAS 6639-62-9 · C10H9NO5S

01Identity

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

Lazychem IDLC-25448
PubChem CID81142
NamePiroxicam EP Impurity D / Piroxicam Related Compound D / Piroxicam BP Impurity D
CAS RN6639-62-9
Molecular formulaC10H9NO5S
Molecular weight225.25 g/mol
IUPAC nameMethyl (1,1-dioxido-3-oxo-1,2-benzisothiazol-2(3H)-yl)acetate
InChIKeyYWLDQSMTDJWJCC-UHFFFAOYSA-N

02Structure identifiers

2D structurePubChem CID 81142
Two-dimensional chemical structure of Piroxicam EP Impurity D / Piroxicam Related Compound D / Piroxicam BP Impurity D, CAS 6639-62-9
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
SMILESCOC(=O)CN1C(=O)C2=CC=CC=C2S1(=O)=O
InChINot listed
Formula from structureC10H9NO5S
Molecular weight from structure255.25 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 6639-62-9 has no exact match in the reviewed published schedule.
SCOMETNO EXACT REVIEWED CAS MATCHCAS 6639-62-9 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 D
  • Piroxicam Relaated Compound D
  • Piroxicam BP Impurity D
  • Saccharin N-(2-Acetic Acid Methyl Ester)
  • NSC 49216
  • Piroxicam Impurity D
  • 6639-62-9
  • Methyl (1,1-dioxido-3-oxo-1,2-benzisothiazol-2(3H)-yl)acetate
  • Methyl 3-oxo1,2-benzisothiazole-2(3H)-acetate 1,1-dioxide
  • QC3227JB2C
  • EINECS 229-646-3
  • DTXSID50216614

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