2-Chloro-1-(1-ethyl-1h-pyrazol-4-yl)ethan-1-one CAS 1536255-49-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1536255-49-8 |
| Molecular Formula | C7H9ClN2O |
| Molecular Weight | 172.61 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Chloro-1-(1-ethyl-1h-pyrazol-4-yl)ethan-1-one (CAS 1536255-49-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H9ClN2O. Molecular weight: 172.61 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C7H9ClN2O |
| Molecular Weight | 172.61 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.) | 1992 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloro Standards
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- 1-(4-Chloro-1-ethyl-1h-pyrazol-3-yl)ethan-1-one (CAS 1006434-27-0)
- 1-(4-Chloro-1-ethyl-1h-pyrazol-5-yl)ethan-1-one (CAS 1006482-81-0)
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Recommended Standards
- (R)-1-(4-chlorophenyl)ethane-1,2-diol (CAS 152142-03-5)
- 2-(2-Chlorophenoxy)ethanol (CAS 15480-00-9)
- (S)-1-(3-Chlorophenyl)ethane-1,2-diol (CAS 152008-72-5)
- (3,4-Dihydro-2H-benzo[b][1,4]dioxepin-6-yl)methanol (CAS 499770-81-9)
- [(2R,3R,4R)-3-tert-butoxycarbonyloxy-4-fluoro-4-methyl-5-oxo-tetrahydrofuran-2-yl]methyl tert-butyl carbonate (CAS 2761681-31-4)
- Ondansetron (CAS 99614-02-5)
- 2-Methoxy-5-(trifluoromethyl)benzoyl chloride (CAS 64507-07-9)
- 1-(4-Bromophenyl)-4-methyl-1H-imidazole (CAS 884199-52-4)
- (2S,3aS,6aS)-2-benzyl 1-tert-butyl hexahydrocyclopenta[b]pyrrole-1,2(2H)-dicarboxylate (CAS 124002-38-6)
- [Tyr0] Fibrinopeptide A, human (CAS 103226-11-5)
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