Chemical identity

Pomalidomide Impurity A

CAS 641-70-3 · C8H3NO5

01Identity

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

Lazychem IDLC-25653
PubChem CID21631
NamePomalidomide Impurity A
CAS RN641-70-3
Molecular formulaC8H3NO5
Molecular weight193.11 g/mol
IUPAC name4-nitroisobenzofuran-1,3-dione
InChIKeyROFZMKDROVBLNY-UHFFFAOYSA-N

02Structure identifiers

2D structurePubChem CID 21631
Two-dimensional chemical structure of Pomalidomide Impurity A, CAS 641-70-3
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, contains a nitro substructure. These statements are calculated from the published structure string.

Defined stereocentres0
Unassigned stereocentres0
Ring count2
Secondary amines0
Tertiary amines0
N-methyl amine sites0
SMILESO=C1OC(C2=CC=CC([N+]([O-])=O)=C21)=O
InChINot listed
Formula from structureC8H3NO5
Molecular weight from structure193.11 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 641-70-3 has no exact match in the reviewed published schedule.
SCOMETNO EXACT REVIEWED CAS MATCHCAS 641-70-3 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

Pomalidomide

View API and impurity family

Other names

  • 4-Nitro-2-benzofuran-1,3-dione
  • 3-nitro-phtalic anhydride

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