1-(5-Chloro-1-methyl-1H-pyrazol-4-yl)ethanone CAS 111493-62-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 111493-62-0 |
| Molecular Formula | C6H7ClN2O |
| Molecular Weight | 158.59 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
1-(5-Chloro-1-methyl-1H-pyrazol-4-yl)ethanone (CAS 111493-62-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C6H7ClN2O. Molecular weight: 158.59 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C6H7ClN2O |
| Molecular Weight | 158.59 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, 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 |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Recommended Standards
- 6-Chloro-2,5-dimethylpyridazin-3(2H)-one (CAS 1114563-59-5)
- 2-Chloro-3-ethoxypyrazine (CAS 1126824-36-9)
- 6-Chloro-2,4-dimethylpyridazin-3(2H)-one (CAS 1114563-58-4)
- N-[2-(3-Methylphenoxy)ethyl]-4-(phenethyloxy)-aniline (CAS 1040693-96-6)
- 4,7-Dibromo-5,6-difluorobenzo[c][1,2,5]selenadiazole (CAS 1455435-88-7)
- 1,10-Phenanthroline-5-carbaldehyde (CAS 91804-75-0)
- methyl 6-chloro-1H-pyrrolo[3,2-b]pyridine-2-carboxylate (CAS 1083196-33-1)
- 4-Bromo-5-(difluoromethyl)-6-methylpyridine-3-sulfonamide (CAS 1805250-55-8)
- 3-Chloro-5-(thiophen-3-yl)-8-thia-4,6-diazatricyclo[7.4.0.0,2,7]trideca-1(9),2,4,6-tetraene (CAS 1155055-78-9)
- Cyclopeptide-5 (CAS 197172-76-2)
Why CATO?
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