Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Metamizole, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Metamizole 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 Metamizole-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 Metamizole-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.
Metamizole Related Compounds
Stable Isotopes
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 4-Methylamino Antipyrine-d3 | Stable Isotopes | CS-P-02896 | 1246820-06-3 | In Stock |
| 4-Methylaminoantipyrine-D3 (methyl-d3) hydrogen sulphate | Stable Isotopes | CS-O-36485 | Not Available | Enquire |
| Metamizole EP Impurity C-d3 hydrochloride | Stable Isotopes | CS-O-58482 | 856307-27-2 (Unlabeled) | Enquire |
| Metamizole-d11 (Sodium) | Stable Isotopes | CS-O-48742 | 68-89-3 (Unlabelled) | In Stock |
| Metamizole-D3 (sodium salt) | Stable Isotopes | CS-EO-02468 | 2512223-60-6 | Enquire |
| Metamizole-d6 Magnesium Salt Dimer | Stable Isotopes | CS-T-101154 | - | Enquire |
| Metamizole-d8 (Sodium) | Stable Isotopes | CS-O-48741 | 68-89-3 (Unlabelled) | In Stock |
| 4-Dimethylamino Antipyrine-d6 | Stable Isotopes | CS-T-92064 | 91419-95-3 | Enquire |
API
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Analgin | API | CS-DF-00015 | 5907-38-0 | In Stock |
| Metamizole Sodium | API | CS-O-04720 | 68-89-3 | Enquire |
| Metamizole | API | CS-ED-00986 | 50567-35-6 | Enquire |
Metabolite
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 4-Acetamidoantipyrine | Metabolite | CS-O-03502 | 83-15-8 | In Stock |
| 4-hydroxy Antipyrine | Metabolite | CS-O-14013 | 1672-63-5 | In Stock |
Impurity
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 4-Dimethylamino Antipyrine | Impurity | CS-W-00200 | 58-15-1 | In Stock |
| 5-Acetylimino-4-methyl-2 benzyl sulfinyl-1,3,4-thiadiazole | Impurity | CS-O-43989 | 2365289-85-4 | Enquire |
| Metamizole EP Impurity B | Impurity | CS-T-03236 | 83-07-8 | Enquire |
| Metamizole EP Impurity C | Impurity | CS-O-31127 | 519-98-2 | In Stock |
| Metamizole EP Impurity E | Impurity | CS-O-15802 | 117-38-4 | Enquire |
| Metamizole Impurity 1 | Impurity | CS-O-56463 | 106236-80-0 | Enquire |
| Metamizole Impurity 2 | Impurity | CS-EO-01794 | Not Available | Enquire |
| Metamizole Impurity 3 | Impurity | CS-EO-02758 | Not Available | Enquire |
| Metamizole Impurity 5 | Impurity | CS-O-56464 | 810-16-2 | Enquire |
| Metamizole Impurity A | Impurity | CS-O-31126 | 1672-58-8 | In Stock |
| Metamizole Impurity C Sulfate salt | Impurity | CS-O-46018 | 519-98-2 (Freebase) | Enquire |
| Metamizole impurity E Sodium Salt | Impurity | CS-T-57468 | 129-89-5 | In Stock |
| Metamizole-2-oxopyrrolidin impurity | Impurity | CS-O-59825 | ---- | Enquire |
| N-(2-(Diethylamino)ethyl)-5-((5-fluoro-2-oxoindolin-3-yliden... | Impurity | CS-O-54363 | 342641-94-5 | Enquire |
| Metamizole Impurity 4 | Impurity | CS-P-08997 | 62902-13-0 | Enquire |
| Metamizole Impurity 5 | Impurity | CS-EO-01337 | Not Available | Enquire |
Intermediate
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Metamizole Magnesium Salt | Intermediate | CS-T-80445 | 63372-86-1 | In Stock |
Nitrosamine
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| N-Nitroso Metamizole EP Impurity C | Nitrosamine | CS-O-45530 | 73829-38-6 | In Stock |
| N-Nitroso Metamizole EP Impurity E (Mixture of isomer) | Nitrosamine | CS-EO-02676 | Not Available | In Stock |
| N-Nitroso Metamizole Impurity 2 | Nitrosamine | CS-EO-02677 | Not Available | Enquire |
Secondary Standards
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Metamizole Impurity A | Secondary Standards | CS-SS-25536-100MG | 1672-58-8 | Enquire |
| Metamizole Impurity B | Secondary Standards | CS-SS-25537-100MG | 83-07-8 | Enquire |
| Metamizole Impurity C | Secondary Standards | CS-SS-25538-100MG | 856307-27-2 | Enquire |
| Metamizole Impurity D | Secondary Standards | CS-SS-25539-100MG | 58-15-1 | Enquire |
| Metamizole Sodium | Secondary Standards | CS-SS-24748-100MG | 5907-38-0 | Enquire |