Chemical identity

Entacapone EP Impurity E

CAS 7659-29-2 · C6H4N2O6

01Identity

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

Lazychem IDLC-14128
PubChem CID3870203
NameEntacapone EP Impurity E
CAS RN7659-29-2
Molecular formulaC6H4N2O6
Molecular weight200.11 g/mol
IUPAC name3,5-Dinitrobenzene-1,2-diol
InChIKeyVDCDWNDTNSWDFJ-UHFFFAOYSA-N

02Structure identifiers

2D structurePubChem CID 3870203
Two-dimensional chemical structure of Entacapone EP Impurity E, CAS 7659-29-2
Two-dimensional structure for the PubChem identity linked to this record. Confirm the identifiers before analytical use.

The parsed structure contains 1 ring, includes aromatic atoms, contains a nitro substructure. These statements are calculated from the published structure string.

Defined stereocentres0
Unassigned stereocentres0
Ring count1
Secondary amines0
Tertiary amines0
N-methyl amine sites0
SMILESC1=C(C=C(C(=C1[N+](=O)[O-])O)O)[N+](=O)[O-]
InChINot listed
Formula from structureC6H4N2O6
Molecular weight from structure200.11 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 7659-29-2 has no exact match in the reviewed published schedule.
SCOMETNO EXACT REVIEWED CAS MATCHCAS 7659-29-2 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

Entacapone

View API and impurity family

Other names

  • 3, 5-Dinitro-pyrocatechol
  • 1, 2-Dihydroxy-3, 5-dinitrobenzene
  • 3, 5-Dinitro-1, 2-benzenediol
  • 3, 5-Dinitrocatechol
  • 7659-29-2
  • 3,5-dinitrobenzene-1,2-diol
  • OR-486
  • 1,2-Benzenediol, 3,5-dinitro-
  • VK0VA22GY2
  • Ro 12812
  • DTXSID00227391
  • RefChem:487074

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