Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Antipyrine, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Antipyrine 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 Antipyrine-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 Antipyrine-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.
Antipyrine Related Compounds
Stable Isotopes
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 4-Acetamido Antipyrine-d3 | Stable Isotopes | CS-T-94810 | 342821-66-3 | Enquire |
| 4-Acetamido D3-antipyrine | Stable Isotopes | CS-W-00204 | Not Available | Enquire |
| 4-Aminoantipyrine D3 | Stable Isotopes | CS-W-00108 | 68229-55-0 | Enquire |
| 4-Dimethyl D6 aminoantipyrine picrate | Stable Isotopes | CS-W-00127 | 111385-95-6(Unlabeled) | Enquire |
| 4-Dimethylamino Antipyrine-d6 | Stable Isotopes | CS-T-92064 | 91419-95-3 | Enquire |
| 4-Formyl Antipyrine-d3 | Stable Isotopes | CS-T-74425 | 1346603-54-0 | Enquire |
| 4-Formylamino Antipyrine-d3 | Stable Isotopes | CS-T-100286 | Not Available | Enquire |
| 4-Formylaminoantipyrine-D3 | Stable Isotopes | CS-W-00383 | Not Available | Enquire |
| 4-Hydroxyantipyrine-D3 | Stable Isotopes | CS-W-00382 | Not Available | Enquire |
| 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 |
| 4-Methylaminoantipyrine-D3 picrate | Stable Isotopes | CS-W-00375 | Not Available | Enquire |
| 4-Methylaminoantipyrine-D3(Methylamine-D3) hydrogen sulfate | Stable Isotopes | CS-W-00379 | 1246820-06-3(Freebase) | Enquire |
| Antipyrine-d3 | Stable Isotopes | CS-T-48291 | 65566-62-3 | In Stock |
| Antipyrine-d7 | Stable Isotopes | CS-O-57368 | 60-80-0 | In Stock |
API Standards
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Aminoantipyrine | API Standards | CS-P-03100 | Not Available | Enquire |
| Antipyrine | API Standards | CS-O-11032 | 60-80-0 | In Stock |
| Isopropylaminoantipyrine | API Standards | CS-W-00186 | 3615-24-5 | Enquire |
Metabolites
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 4-Acetamidoantipyrine | Metabolites | CS-O-03502 | 83-15-8 | In Stock |
| 4-hydroxy Antipyrine | Metabolites | CS-O-14013 | 1672-63-5 | In Stock |
| 4-Sulfate Aminoantipyrine | Metabolites | CS-P-07206 | 1759-26-8 | Enquire |
Impurities
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| "4,4’-Dihydroxyantipyrine" | Impurities | CS-T-91329 | 72732-51-5 | Enquire |
| 4-Aminoantipyrine N-Carbamic Acid Methyl Ester | Impurities | CS-T-01890 | 10077-96-0 | Enquire |
| 4-Dimethylamino Antipyrine | Impurities | CS-W-00200 | 58-15-1 | In Stock |
| 4-Formyl Antipyrine | Impurities | CS-T-24660 | 950-81-2 | Enquire |
| 4-Formyl Methylamino Antipyrine (FMAA) | Impurities | CS-P-07205 | 1672-59-9 | Enquire |
| 4-Propyl Aminoantipyrine Hydrochloride | Impurities | CS-P-06974 | 101116-41-0 (free base) | Enquire |
| Nitrosoantipyrine | Impurities | CS-T-59327 | 885-11-0 | Enquire |
Intermediates
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 3-Hydroxymethylantipyrine | Intermediates | CS-T-79474 | 18125-49-0 | Enquire |
| 4-Aminoantipyrine hydrochloride | Intermediates | CS-ED-04375 | 22198-72-7 | Enquire |
| 4-Methylamino Antipyrine | Intermediates | CS-T-82171 | 519-98-2 | Enquire |
| Antipyrine 2-Hydroxy-2-methylbutyrate | Intermediates | CS-T-66772 | 5794-16-1 | Enquire |
| Norantipyrine Sulfate | Intermediates | CS-T-83136 | 76407-98-2 | Enquire |
Glucuronides
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Norantipyrine Glucuronide | Glucuronides | CS-T-83052 | 67566-02-3 | In Stock |