N-Nitroso Metamizole EP Impurity C CAS 73829-38-6
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 73829-38-6 |
| Molecular Formula | C12H14N4O2 |
| Molecular Weight | 246.27 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Order N-Nitroso Metamizole EP Impurity C (CAS 73829-38-6) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C12H14N4O2. Molecular weight: 246.27 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C12H14N4O2 |
| Molecular Weight | 246.27 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1978 |
| Nitrogen Atoms | 4 |
Related N Standards
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Recommended Standards
- N-(tert-butyl)-1-nitroso-1H-indazole-7-carboxamide (CAS CATO-C3D-262749)
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- tert-Butyl 2-cyano-5,7-dihydro-6H-pyrrolo[3,4-d]pyrimidine-6-carboxylate (CAS 365996-88-9)
- Cariprazine Impurity 41 (CAS 1957145-61-7)
- Brexpiprazole impurity 103 (CAS CATO-C4X-1131103)
- N1-(2-Ethylphenyl)-N2-((1-methylpiperidin-4-yl)methyl)oxalamide (CAS 953224-29-8)
- 2-(Piperazin-1-yl)-N-(pyridin-3-yl)acetamide trihydrochloride (CAS 808764-17-2)
- 6-Methoxy-3-(4'-methoxyphenyl)coumarin (CAS 263364-71-2)
- N1-(Piperidin-4-ylmethyl)ethane-1,2-diamine (CAS 71172-94-6)
- Semaglutide Impurity 16 (CAS CATO-C4X-222616)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com