We supply the Intermediates:
6,7-Dimethoxy Quinazoline-2,4-Dione 98% Min.
6,7-Dimethoxy-2-Chloro 4-Amino Quinazoline 98% Min.
1-(2-Furoyl) Piperazine 98% Min.
4-Amino-2-Chloro-6,7-Dimethoxyquinazoline

CAS:19216-56-9
MF:C19H21N5O4
MW:383.41
Role and purposes:
Selective postsynaptic α-receptor blockers, peripheral vascular resistance decreased, resulting antihypertensive effect. Expansion of the role of a coronary artery, renal blood flow less affected. For mild to moderate hypertension or renal hypertension; also applies to the treatment of intractable heart failure.