A quinazoline derivative which is an alpha-1-selective adrenoceptor blocking agent used on once-a-day basis for therapy of mild-to-moderate hypertension. Terazosin is indicated for the treatment of symptomatic benign prostatic hyperplasia (BPH). Reference standards of Terazosin Hydrochloride Dihydrate API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
Terazosin Hydrochloride Dihydrate
Catalogue No.:PA 20 11000
CAS :
Molecular Formula : C19H30ClN5O6
Molecular Weight : 459.92
2-Chloro-6,7-dimethoxyquinazolin-4-amine
Catalogue No.:PA 20 11010
Molecular Formula : C10H10ClN3O2
Molecular Weight : 239.66
1-(4-Hydroxy-6,7-dimethoxyquinazolin-2-yl)-4-[[(2RS)-tetrahydrofuran-2-yl]carbonyl]piperazine
Catalogue No.:PA 20 11020
Molecular Formula : C19H24N4O5
Molecular Weight : 388.42
6,7-Dimethoxy-2-(piperazin- 1-yl)quinazolin-4-amine
Catalogue No.:PA 20 11030
Molecular Formula : C14H19N5O2
Molecular Weight : 289.33
1-(4-Amino-6,7-dimethoxyquinazolin-2-yl)-4-formylpiperazine Hydrochloride
Catalogue No.:PA 20 11040
Molecular Formula : C15H20ClN5O3
Molecular Weight : 353.8
2,2′-(Piperazine-1,4-diyl)bis(6,7-dimethoxyquinazolin-4-amine)
Catalogue No.:PA 20 11050
Molecular Formula : C24H28N8O4
Molecular Weight : 492.53
1-(4-Amino-6,7-dimethoxyquinazolin-2-yl)-4-[(2RS)-2-hydroxypentanoyl]piperazine
Catalogue No.:PA 20 11100
Molecular Formula : C19H27N5O4
Molecular Weight : 389.21
Prazosin Hydrochloride
Catalogue No.:PA 20 11110
Molecular Formula : C19H22ClN5O4
Molecular Weight : 419.86
1-(Furan-2-ylcarbonyl)piperazine
Catalogue No.:PA 20 11120
Molecular Formula : C9H12N2O2
Molecular Weight : 180.2
1,4-Bis(furan-2-ylcarbonyl)piperazine
Catalogue No.:PA 20 11130
Molecular Formula : C14H14N2O4
Molecular Weight : 274.27
1-[[(2RS)-tetrahydrofuran-2-yl]carbonyl]piperazine
Catalogue No.:PA 20 11140
Molecular Formula : C9H16N2O2
Molecular Weight : 184.24
1,4-Bis[(tetrahydrofuran-2-yl)carbonyl]piperazine
Catalogue No.:PA 20 11150
Molecular Formula : C14H22N2O4
Molecular Weight : 282.34
1-(4-Amino-6,7-dimethoxyquinazolin-2-yl)-4-[[(2RS,5S)-5-methyltetrahydrofuran-2-yl]carbonyl]piperazine
Catalogue No.:PA 20 11510
Molecular Formula : C20H27N5O4
Molecular Weight : 401.46
1-(4-Amino-6-hydroxy-7-methoxyquinazolin-2-yl)-4-[[(2RS)-tetrahydrofuran-2-yl]carbonyl]piperazine
Catalogue No.:PA 20 11520
Molecular Formula : C18H23N5O4
Molecular Weight : 373.41
1-(4-Amino-7-hydroxy-6-methoxyquinazolin-2-yl)-4-[[(2RS)-tetrahydrofuran-2-yl]carbonyl]piperazine
Catalogue No.:PA 20 11530
1-(4-amino-6,7-dimethoxyquinazolin-2-yl)-4-(5-hydroxypentanoyl)piperazine,
Catalogue No.:PA 20 0110060
Molecular Weight : 389.46
1-(4-Amino-6,7-dimethoxyquinazolin-2-yl)-4-formylpiperazine
Catalogue No.:PA 20 0110041
Molecular Formula : C15H19N5O3
Molecular Weight : 317.35
1-[4-(4-Amino-6,7-dimethoxyquinazolin-2-yl)piperazin-1-yl]pentane-1,2-dione
Catalogue No.:PA 20 0110160
Molecular Formula : C19H25N5O4
Molecular Weight : 387.44
1-(Furan-2-ylcarbonyl)piperazine Hydrochloride
Catalogue No.:PA 20 0110121
Molecular Formula : C9H13ClN2O2
Molecular Weight : 216.67
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