3-Chloro-4-methyl-5-oxo-4,5-dihydro-1H-1,2,4-triazole-1-carbonyl chloride CAS 134048-17-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 134048-17-2 |
| Molecular Formula | C4H3Cl2N3O2 |
| Molecular Weight | 195.99 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Chloro-4-methyl-5-oxo-4,5-dihydro-1H-1,2,4-triazole-1-carbonyl chloride (CAS 134048-17-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C4H3Cl2N3O2. Molecular weight: 195.99 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C4H3Cl2N3O2 |
| Molecular Weight | 195.99 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
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Recommended Standards
- 4-iodo-2,3-dihydrofuran (CAS 1232199-27-7)
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- 4-bromo-2-nitro-1H-imidazole (CAS 121816-84-0)
- [1,2,4]triazolo[4,3-a]pyrazin-5-amine (CAS 1421601-44-6)
- 4'-Fluoro-[1,1'-biphenyl]-2-amine (CAS 321-63-1)
- 2-Iodo-5-(trifluoromethyl)-1,3,4-oxadiazole (CAS 1600360-28-8)
- Suzetrigine Impurity 13 (CAS CATO-C4X-336913)
- 3,5-Diethyl 4-(4-methoxyphenyl)-2,6-dimethylpyridine-3,5-dicarboxylate (CAS 5448-05-5)
- 2,2'-Oxydipyridine (CAS 53258-94-9)
- (Leu31,Pro3?)-Neuropeptide Y (porcine) trifluoroacetate salt (CAS 125580-28-1)
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