Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Doxazosin, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Doxazosin 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 Doxazosin-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.
Our Doxazosin-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.
Doxazosin Related Compounds
Stable Isotopes
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Doxazosin-d8 | Stable Isotopes | CS-O-02832 | 1126848-44-9 | In Stock |
| Doxazosin-d8 Hydrochloride | Stable Isotopes | CS-O-10194 | 1219803-95-8 | In Stock |
| (R)-Doxazosin-d8 | Stable Isotopes | CS-T-101447 | Not Available | Enquire |
| (S)-(+)-Doxazosin-d8 | Stable Isotopes | CS-T-101446 | Not Available | Enquire |
| Doxazosin 13C4 | Stable Isotopes | CS-EK-02567 | 74191-85-8 unlabeled | Enquire |
| R-Doxazosin 13C4 | Stable Isotopes | CS-EK-02369 | 70918-17-1 unlabeled | Enquire |
| R-Doxazosin D8 | Stable Isotopes | CS-O-13941 | 70918-17-1 (Unlabeled) | Enquire |
| S-Doxazosin 13C4 | Stable Isotopes | CS-EK-00399 | 104874-86-4 unlabeled | Enquire |
| S-Doxazosin D8 | Stable Isotopes | CS-O-13942 | 104874-86-4 (Unlabeled) | Enquire |
API
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Doxazosin | API | CS-O-04221 | 74191-85-8 | In Stock |
| Doxazosin Mesylate | API | CS-O-01337 | 77883-43-3 | In Stock |
Impurity
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 2,2'-(1,4-Piperazinediyl)bis[6,7-dimethoxy-4-quinazolinamine... | Impurity | CS-T-60613 | 102839-00-9 | In Stock |
| Alfuzosin EP Impurity B | Impurity | CS-O-07134 | 23680-84-4 | In Stock |
| Doxazosin desethylene impurity | Impurity | CS-O-45832 | 740066-32-4 | Enquire |
| Doxazosin EP Impurity A | Impurity | CS-M-20066 | 3663-80-7 | In Stock |
| Doxazosin EP Impurity B | Impurity | CS-T-91630 | 70918-74-0 | In Stock |
| Doxazosin EP Impurity C | Impurity | CS-T-06701 | 617677-53-9 | In Stock |
| Doxazosin EP Impurity D | Impurity | CS-T-20365 | 28888-44-0 | In Stock |
| Doxazosin EP Impurity E | Impurity | CS-T-17525 | 27631-29-4 | In Stock |
| Doxazosin Piperazine Impurity | Impurity | CS-O-45834 | Not Available | Enquire |
| DoxazosinAmino Methanol impurity | Impurity | CS-O-45833 | Not Available | Enquire |
| R-Doxazosin | Impurity | CS-O-05740 | 70918-17-1 | In Stock |
| Terazosin EP Impurity C | Impurity | CS-T-40082 | 60547-97-9 | In Stock |
| 1-(2-cyano-4,5-dimethoxyphenyl)urea | Impurity | CS-O-41545 | 157459-53-5 | Enquire |
| Doxazosin Acetylpiperazinyl impurity | Impurity | CS-O-51225 | 695217-74-4 | Enquire |
| N-Descarbo(1,4-benzodioxine), N-Acetyl Doxazosin Hydrochlori... | Impurity | CS-T-73753 | 222832-30-6 | Enquire |
Fine Chemicals
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 2-Amino-4,5-dimethoxybenzonitrile | Fine Chemicals | CS-M-03302 | 26961-27-3 | Enquire |
Nitrosamine
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| N-Nitroso Doxazosin EP Impurity B | Nitrosamine | CS-O-51831 | ---- | In Stock |
Secondary Standards
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Doxazosin mesylate | Secondary Standards | CS-SS-25989-500MG | 77883-43-3 | Enquire |
| Doxazosin Related Compound A | Secondary Standards | CS-SS-25992-50MG | 70918-74-0 | Enquire |
| Doxazosin Related Compound B | Secondary Standards | CS-SS-25990-50MG | 28888-44-0 | Enquire |
| Doxazosin Related Compound C | Secondary Standards | CS-SS-25987-50MG | 23680-84-4 | Enquire |
| Doxazosin Related Compound D | Secondary Standards | CS-SS-25991-50MG | 3663-80-7 | Enquire |
| Doxazosin Related Compound E | Secondary Standards | CS-SS-25988-50MG | 27631-29-4 | Enquire |
| Doxazosin Related Compound F | Secondary Standards | CS-SS-25681-40MG | 617677-53-9 | Enquire |
Chiral
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| S-Doxazosin | Chiral | CS-O-07803 | 104874-86-4 | In Stock |