CAS Number: 134749-43-2

Alternate CAS#: 664347-52-8 (free base)

Chemical Name: Terazosin Impurity 1 HCl (2-Hydroxy-4-Amino-6,7-Dimethoxy Quinazoline)

Molecular Formula: C10H11N3O3. HCl

Molecular Weight: 221.22 36.46

CAS Number: N/A

Alternate CAS#:

Chemical Name: Terazosin EP Impurity O (Mixture of Diastereomers)

Molecular Formula: C14H22N2O4

Molecular Weight: 282.34

CAS Number: 63074-07-7

Alternate CAS#:

Chemical Name: Terazosin EP Impurity N

Molecular Formula: C9H16N2O2

Molecular Weight: 184.24

CAS Number: 31350-27-3

Alternate CAS#:

Chemical Name: Terazosin EP Impurity M (Prazosin EP Impurity B)

Molecular Formula: C14H14N2O4

Molecular Weight: 274.28

CAS Number: 40172-95-0

Alternate CAS#:

Chemical Name: Terazosin EP Impurity L (Prazosin EP Impurity D)

Molecular Formula: C9H12N2O2

Molecular Weight: 180.21

CAS Number: 152551-75-2

Alternate CAS#:

Chemical Name: Terazosin EP Impurity J

Molecular Formula: C19H27N5O4

Molecular Weight: 389.46

CAS Number: 1177261-85-6

Alternate CAS#:

Chemical Name: Terazosin EP Impurity I (Mixture of Diastereomers)

Molecular Formula: C20H27N5O4

Molecular Weight: 401.47

CAS Number: 105356-90-9

Alternate CAS#:

Chemical Name: Terazosin EP Impurity H

Molecular Formula: C18H23N5O4

Molecular Weight: 373.41

CAS Number: 105356-89-6

Alternate CAS#:

Chemical Name: Terazosin EP Impurity G

Molecular Formula: C18H23N5O4

Molecular Weight: 373.42

CAS Number: 109678-71-9

Alternate CAS#:

Chemical Name: Terazosin EP Impurity F

Molecular Formula: C19H27N5O4

Molecular Weight: 389.46

CAS Number: N/A

Alternate CAS#:

Chemical Name: Terazosin EP Impurity E (Prazosin EP Impurity E)

Molecular Formula: C24H28N8O4

Molecular Weight: 492.54

CAS Number: 102714-74-9

Alternate CAS#:

Chemical Name: Terazosin EP Impurity D

Molecular Formula: C15H19N5O3

Molecular Weight: 317.35