Chemical identity

Doxazosin Related Compound D / Doxazosin EP Impurity A

CAS 3663-80-7 · C9H8O4

01Identity

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

Lazychem IDLC-13470
PubChem CID2735450
NameDoxazosin Related Compound D / Doxazosin EP Impurity A
CAS RN3663-80-7
Molecular formulaC9H8O4
Molecular weight180.16 g/mol
IUPAC name1,4-Benzodioxan-2-carboxylic acid
InChIKeyHMBHAQMOBKLWRX-UHFFFAOYSA-N

02Structure identifiers

2D structurePubChem CID 2735450
Two-dimensional chemical structure of Doxazosin Related Compound D / Doxazosin EP Impurity A, CAS 3663-80-7
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 stereocentres1
Ring count2
Secondary amines0
Tertiary amines0
N-methyl amine sites0
SMILESO=C(C1OC2=CC=CC=C2OC1)O
InChINot listed
Formula from structureC9H8O4
Molecular weight from structure180.16 g/mol

03Stereochemistry

The published structure contains 0 defined and 1 unassigned tetrahedral stereocentre. The exact wedge and dash depiction is shown above.

Defined centres0Structure assigned
Unassigned centres1Structure unspecified
Assignment statusUnassignedExact published identity
Tetrahedral upper bound≤ 2Before symmetry reduction

Published same-connectivity configurations

3 records

These records have the same connectivity, molecular formula and protonation layer, but a different complete InChIKey stereochemical layer. Only separately structure-linked records are shown.

Scope: The mathematical 2^n value is only an upper bound. Symmetry and other stereogenic elements can change the number of distinct stereoisomers. A hypothetical configuration is not published as a compound record without a verified structure identity.

04India 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 3663-80-7 has no exact match in the reviewed published schedule.
SCOMETNO EXACT REVIEWED CAS MATCHCAS 3663-80-7 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.

05Names and relationships

Associated parent compound

Doxazosin

View API and impurity family

Other names

  • Doxazosin EP Impurity A
  • 2,3-dihydro-1,4-benzodioxin-2-carboxylic acid
  • 2-benzodioxanecarboxylic acid
  • Doxazosin Related Compound D

Related records from the same parent family

06Documented 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.

07Sources