Impurity Reference Standard - Products

Prazosin

CAT No: CL-PZS-01 CAS No: 19216-56-9 Mol Wt: 383.4 Mol F: C19H21N5O4 Inv Status: Custom Synthesis

Chemical Name: [4-(4-Amino-6,7-dimethoxyquinazolin-2-yl)piperazin-1-yl](furan-2-yl)methanone

Prazosin EP Impurity A

CAT No: CL-PZS-02 CAS No: 23680-84-4 Mol Wt: 239.7 Mol F: C10H10ClN3O2 Inv Status: Custom Synthesis

Chemical Name: 2-Chloro-6,7-dimethoxyquinazolin-4-amine

Prazosin EP Impurity B

CAT No: CL-PZS-03 CAS No: 31350-27-3 Mol Wt: 274.3 Mol F: C14H14N2O4 Inv Status: Custom Synthesis

Chemical Name: (piperazin-1,4-diyl)bis[(furan-2-yl)methanone]

Prazosin EP Impurity C

CAT No: CL-PZS-04 CAS No: 60547-97-9 Mol Wt: 289.3 Mol F: C14H19N5O2 Inv Status: Custom Synthesis

Chemical Name: 6,7-Dimethoxy-2-(piperazin-1-yl)quinazolin-4-amine

Prazosin EP Impurity D

CAT No: CL-PZS-05 CAS No: 60548-09-6 Mol Wt: 180.2 : 36.5 Mol F: C9H12N2O2 : HCl Inv Status: Custom Synthesis

Chemical Name: Furan-2-yl(piperazin-1-yl)methanone Hydrochloride

Prazosin EP Impurity E

CAT No: CL-PZS-06 CAS No: 102839-00-9 Mol Wt: 492.5 Mol F: C24H28N8O4 Inv Status: Custom Synthesis

Chemical Name: 2,2'-(Piperazin-1,4-diyl)bis(6,7-dimethoxyquinazolin-4-amine)

Prazosin Tetrahydro Impurity

CAT No: CL-PZS-07 CAS No: 63590-64-7 Mol Wt: 387.4 Mol F: C19H25N5O4 Inv Status: Custom Synthesis

Chemical Name: 1-(4-Amino-6,7-dimethoxy-2-quinazolinyl)-4-[(tetrahydro-2-furanyl) carbonxyl] piperazine hydrochloride

Prazosin Tetrahydro Impurity 2

CAT No: CL-PZS-08 CAS No: 664347-52-8 Mol Wt: 221.2 Mol F: C10H11N3O3 Inv Status: Custom Synthesis

Chemical Name: 4-amino-6,7-dimethoxyquinazolin-2(1H)-one

2-Furoic Acid

CAT No: CL-PZS-09 CAS No: 88-14-2 Mol Wt: 112.1 Mol F: C5H4O3 Inv Status: Custom Synthesis

Chemical Name: Furan-2-carboxylic acid