Ornidazole Impurity 23 CAS 19183-16-5
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 19183-16-5 |
| Molecular Formula | C4H4N4O4 |
| Molecular Weight | 172.10 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Ornidazole Impurity 23 (CAS 19183-16-5) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C4H4N4O4. Molecular weight: 172.10 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C4H4N4O4 |
| Molecular Weight | 172.10 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1962 |
| Nitrogen Atoms | 4 |
Related Ornidazole Standards
- Ornidazole Impurity 40 (CAS 19182-82-2)
- Ornidazole Impurity 57 (CAS CATO-C4X-133157)
- Ornidazole Impurity 88 (CAS CATO-C4X-133188)
- Ornidazole Impurity 16 (CAS 1565482-62-3)
- Ornidazole Impurity 38 (CAS CATO-C4X-133138)
- Ornidazole Impurity 43 (CAS CATO-C4X-133143)
- Ornidazole Impurity 111 (CAS CATO-C4X-1331111)
- Ornidazole impurity 1 (CAS 1100750-18-2)
Recommended Standards
- Methyl 5-nitro-2H-1,2,3-triazole-4-carboxylate (CAS 524036-06-4)
- Methyl 3-nitroisoxazole-5-carboxylate (CAS 40995-06-0)
- Methyl 3-nitro-1h-1,2,4-triazole-5-carboxylate (CAS 21733-00-6)
- Rufinamide Impurity 2 (CAS 166196-11-8)
- Beclometasone Impurity 51 (CAS CATO-C4X-147451)
- N-[(1S)-2-(Diphenylphosphino)-1-phenylethyl]-3,5-bis(trifluoromethyl)-benzamide (CAS 1853342-57-0)
- 4-amino-1-methyl-2,5-dihydro-1H-imidazol-2-one (CAS 1190594-65-0)
- 2-{[(4-chlorophenyl)methyl]sulfanyl}-4-methyl-5H,6H,7H-cyclopenta[d]pyrimidine (CAS 477852-02-1)
- 1-(4-(p-Tolyloxy)-3-nitrophenyl)ethanone (CAS 31477-15-3)
- Palmitoyl Hexapeptide-12 TFA salt (CAS 171263-26-6(Free Base))
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