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-d6 Hydrochloride | Stable Isotopes | CS-O-06888 | 1189947-02-1 | In Stock |
| Acepromethazine-d6 | Stable Isotopes | CS-T-100945 | Not Available | 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 |
| rac N-Demethyl Promethazine-d3 Hydrochloride | Stable Isotopes | CS-T-73796 | 1330173-19-7 | Enquire |
API
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Promethazine | API | CS-O-02062 | 60-87-7 | In Stock |
| Promethazine Hydrochloride | API | CS-O-11723 | 58-33-3 | In Stock |
Metabolite
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Desmethyl Promethazine | Metabolite | CS-O-10366 | 37707-23-6 | In Stock |
| Promethazine N-Oxide | Metabolite | CS-O-14746 | 81480-39-9 | In Stock |
| Promethazine Sulfoxide | Metabolite | CS-O-10037 | 7640-51-9 | In Stock |
| Dioxopromethazine Hydrochloride | Metabolite | CS-T-94162 | 15374-15-9 | Enquire |
Impurity
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| (R)-3-{[2-hydroxy-2-(3-hydroxyphenyl)ethyl](methyl)amino}ben... | Impurity | CS-O-58085 | ---- | Enquire |
| 10H-Phenothiazine 5,5-dioxide | Impurity | CS-O-40948 | 1209-66-1 | Enquire |
| Iso Promethazine Hydrochloride | Impurity | CS-T-56837 | 5568-90-1 | In Stock |
| Promethazine EP Impurity C | Impurity | CS-O-10039 | 60113-77-1 | In Stock |
| Promethazine Hydrochloride EP Impurity B | Impurity | CS-O-43392 | 303-14-0 | Enquire |
| Promethazine methiodide | Impurity | CS-ED-02167 | 26212-80-6 | Enquire |
| Promethazine Sulfone | Impurity | CS-T-60785 | 13754-56-8 | Enquire |
| Promethazine Sulfoxide N-Oxide Hydrochloride | Impurity | CS-T-94177 | 1135334-50-7 | Enquire |
Glucuronide
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Promethazine-β-D-Glucuronide | Glucuronide | 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 |
Nitrosamine
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| N-Nitroso Promethazine Impurity | Nitrosamine | CS-EO-02605 | 94511-44-1 | Enquire |
| Promethazine Sulfoxide N-Nitroso Impurity | Nitrosamine | CS-O-50265 | Not Available | In Stock |
Secondary Standards
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Promethazine | Secondary Standards | CS-SS-26611 | 60-87-7 | Enquire |
| Promethazine Hydrochloride | Secondary Standards | CS-SS-24450-1GM | 58-33-3 | Enquire |
| Promethazine Hydrochloride | Secondary Standards | CS-SS-26606 | 58-33-3 | Enquire |
| Promethazine Related Compound B | Secondary Standards | CS-SS-25531-50MG | 5568-90-1 | Enquire |
Stable Isotope Reagent
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| (+/-)-Promethazine-d4 HCl (phenothiazine-1,3,7,9-d4) | Stable Isotope Reagent | CS-C-00530 | 1173018-74-0 | Enquire |
Analytical Standard
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| N-Nitroso Promethazine Impurity | Analytical Standard | CS-EO-02605-10MG | 94511-44-1 | Enquire |
| N-nitroso-desmethyl-promethazine-100 PPM in Acetonitrile | Analytical Standard | CS-EO-02605-1.5ML | 94511-44-1 | Enquire |
Building Blocks
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 2-Bromo-10H-phenothiazine | Building Blocks | CS-TA-25496 | 66820-95-9 | Enquire |