Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Promethazine, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Promethazine 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 Promethazine-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 Promethazine-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.
Promethazine Related Compounds
Stable Isotopes
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| (+/-)-Promethazine-d4 HCl (phenothiazine-1,3,7,9-d4) | Stable Isotopes | CS-C-00530 | 1173018-74-0 | Enquire |
| Iso Promethazine-d3 Hydrochloride | Stable Isotopes | CS-T-56838 | 1329835-09-7 | Enquire |
| Promethazine Sulfoxide-d6 | Stable Isotopes | CS-T-85876 | 1189892-93-0 | Enquire |
| Promethazine-d6 Hydrochloride | Stable Isotopes | CS-O-06888 | 1189947-02-1 | In Stock |
| rac N-Demethyl Promethazine-d3 Hydrochloride | Stable Isotopes | CS-T-73796 | 1330173-19-7 | Enquire |
API Standards
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Promethazine | API Standards | CS-O-02062 | 60-87-7 | In Stock |
| Promethazine Hydrochloride | API Standards | CS-O-11723 | 58-33-3 | In Stock |
Metabolites
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Desmethyl Promethazine | Metabolites | CS-O-10366 | 37707-23-6 | In Stock |
| Dioxopromethazine Hydrochloride | Metabolites | CS-T-94162 | 15374-15-9 | Enquire |
| Promethazine N-Oxide | Metabolites | CS-O-14746 | 81480-39-9 | In Stock |
| Promethazine Sulfoxide | Metabolites | CS-O-10037 | 7640-51-9 | In Stock |
Impurities
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| (R)-3-{[2-hydroxy-2-(3-hydroxyphenyl)ethyl](methyl)amino}ben... | Impurities | CS-O-58085 | Not Available | Enquire |
| 10H-Phenothiazine 5,5-dioxide | Impurities | CS-O-40948 | 1209-66-1 | Enquire |
| Iso Promethazine Hydrochloride | Impurities | CS-T-56837 | 5568-90-1 | In Stock |
| N-Nitroso Promethazine Impurity | Impurities | CS-EO-02605 | 94511-44-1 | Enquire |
| Phenothiazine | Impurities | CS-T-39298 | 92-84-2 | In Stock |
| Promethazine EP Impurity C | Impurities | CS-O-10039 | 60113-77-1 | In Stock |
| Promethazine Hydrochloride EP Impurity B | Impurities | CS-O-43392 | 303-14-0 | Enquire |
| Promethazine methiodide | Impurities | CS-ED-02167 | 26212-80-6 | Enquire |
| Promethazine Sulfone | Impurities | CS-T-60785 | 13754-56-8 | Enquire |
| Promethazine Sulfoxide N-Oxide Hydrochloride | Impurities | CS-T-94177 | 1135334-50-7 | Enquire |
EP Standards
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Promethazine for peak identification(Y0000797) | EP Standards | CS-EG-00731 | 58-33-3 | Enquire |
Intermediates
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Acepromethazine | Intermediates | CS-T-64120 | 13461-01-3 | Enquire |
Glucuronides
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Promethazine-β-D-Glucuronide | Glucuronides | CS-T-60784 | 137908-81-7 | Enquire |
Fine Chemicals
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Promethazine Teoclate | Fine Chemicals | CS-O-02119 | 17693-51-5 | Enquire |