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Home/Compounds/Pharmaceutical Intermediate/6,7-dimethoxyquinazoline-2,4(1H,3H)-dione
C10H10N2O4
222.2 g/mol
Pharmaceutical IntermediateWarning

6,7-Dimethoxyquinazoline-2,4(1H,3H)-dione

CAS28888-44-0EC249-288-1
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate

This compound is a pharmaceutical intermediate used in the manufacturing of alpha1-adrenergic blockers. It serves as a key intermediate for the production of medications such as alfuzosin, prazosin, terazosin, doxazosin, and IAAP, which are effective as antihypertensives.

Intermediate for alpha1-adrenergic blockersIntermediate for antihypertensive agents

Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.

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CAS 28888-44-0

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Safety Reference

Harmful
Harmful
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Identifiers
IUPAC Name

6,7-dimethoxy-1H-quinazoline-2,4-dione

InChIKey

KWNQIIMVPSMYEM-UHFFFAOYSA-N

SMILES

COC1=C(C=C2C(=C1)C(=O)NC(=O)N2)OC

Synonyms (21)
  • Doxazosin EP Impurity D
  • Doxazosin impurity D, European Pharmacopoeia (EP)
  • DOXAZOSIN IMPURITY D
  • DOXAZOSIN MESILATE IMPURITY D
  • Doxazosin impurity D CRS
  • Quinazolindi one