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Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Terazosin, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Terazosin impurity reference standards are invaluable for pharmaceutical research, supporting product development, ANDA and DMF submissions, quality control (QC), method validation, and stability studies. They also aid in identifying unknown impurities and assessing genotoxic potential.
Our Terazosin-related products undergo thorough characterization and are supplied with detailed Certificates of Analysis (COA) and analytical data that meet regulatory requirements. All supplied products are re-tested at regular intervals to ensure ongoing quality and compliance.

Terazosin Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
N-Nitroso Terazosin EP Impurity C-d8 Stable Isotopes CS-O-58662 ---- Enquire
N-Nitroso Terazosin EP Impurity N-d8 Stable Isotopes CS-O-46689 2470438-57-2 (Unlabelled) In Stock
Terazosin-d8 Stable Isotopes CS-O-15675 1006718-20-2 In Stock


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2-Furanyl-1-piperazinylmethanone API CS-T-24956 40172-95-0 In Stock
Terazosin Hydrochloride API CS-O-02479 63074-08-8 In Stock
Terazosin Hydrochloride Dihydrate API CS-O-05309 70024-40-7 In Stock
Terazosin API CS-ED-39884 63590-64-7 Enquire


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(4-(4-amino-7-hydroxy-6-methoxyquinazolin-2-yl)piperazin-1-y... Impurity CS-O-42124 Not Available Enquire
1-[4-(4-Amino-6,7-dimethoxy-2-quinazolinyl)-1-piperazinyl]-2... Impurity CS-T-02459 152551-75-2 Enquire
Terazosin EP Impurity B Impurity CS-O-08279 1177261-73-2 In Stock
Terazosin EP Impurity C Impurity CS-T-40082 60547-97-9 In Stock
Terazosin EP Impurity D Impurity CS-O-08281 102714-74-9 In Stock
Terazosin EP Impurity H Impurity CS-T-02750 105356-90-9 Enquire
Terazosin EP Impurity P Impurity CS-O-54662 2470437-02-4 Enquire
Terazosin Impurity 6 Impurity CS-O-43975 393124-28-2 In Stock
Terazosin related compound A Impurity CS-P-00203 60548-08-5 In Stock
Terazosin related compound C Impurity CS-P-00204 1486464-41-8 In Stock
[4-(4-Amino-6,7-dimethoxy-2-quinazolinyl)-1-piperazinyl][(5S... Impurity CS-T-47771 1177261-85-6 Enquire
[4-(4-Amino-6-hydroxy-7-methoxy-2-quinazolinyl)-1-piperaziny... Impurity CS-T-02748 105356-89-6 Enquire
Terazosin EP Impurity E Impurity CS-O-08282 104965-50-6 (Hydrochloride Salt) Enquire
Terazosin impurity Impurity CS-O-42230 21575-27-9 Enquire


Intermediate

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
6,7-Dimethoxy-2,4-quinazolinediamine Intermediate CS-T-18546 60547-96-8 In Stock


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1,4-Bis[(tetrahydro-2-furanyl)carbonyl]-piperazine Fine Chemicals CS-T-68397 547730-06-3 Enquire


Nitrosamine

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
N-Nitroso Terazosin EP Impurity C Nitrosamine CS-EO-01742 ---- In Stock
N-Nitroso Terazosin EP Impurity N Nitrosamine CS-O-43974 2470438-57-2 In Stock


Secondary Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Terazosin Hydrochloride Secondary Standards CS-SS-24673-1GM 70024-40-7 Enquire
Terazosin Related Compound A Secondary Standards CS-SS-25837-100MG Not Available Enquire
Terazosin Related Compound B Secondary Standards CS-SS-25838-100MG Not Available Enquire
Terazosin Related Compound C Secondary Standards CS-SS-25839-50MG 1486464-41-8 Enquire