2,2,2-Trichloro-1-(1-ethyl-3-methyl-1H-pyrazol-4-yl)ethanol CAS 1338494-75-9
| CAS No. | 1338494-75-9 |
| Molecular Formula | C8H11Cl3N2O |
| Molecular Weight | 257.54 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2,2,2-Trichloro-1-(1-ethyl-3-methyl-1H-pyrazol-4-yl)ethanol (CAS 1338494-75-9), a certified reference material (molecular formula C8H11Cl3N2O, MW 257.54 g/mol) for analytical method development and quality control.
Based on its molecular formula C8H11Cl3N2O, 2,2,2-Trichloro-1-(1-ethyl-3-methyl-1H-pyrazol-4-yl)ethanol contains an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 257.54 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C8H11Cl3N2O |
| Molecular Weight | 257.54 g/mol |
| Appearance | 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 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Trichloro Standards
- 2,2,2-Trichloro-1-(1-isopropyl-1H-pyrazol-4-yl)ethan-1-ol (CAS 1338494-82-8)
- 2,2,2-Trichloro-1-(1,3,5-trimethyl-1H-pyrazol-4-yl)ethanol (CAS 1338494-89-5)
- 2,2,2-Trichloro-1-(1-ethyl-5-methyl-1H-pyrazol-4-yl)ethan-1-ol (CAS 1338495-04-7)
- 2,4,8-trichloro-5-methyl-quinazoline (CAS 1602418-43-8)
- 2,2,2-Trichloro-1-(4-nitro-1h-pyrrol-2-yl)ethan-1-one (CAS 53391-50-7)
- 2,2,2-Trichloro-1-(5-nitro-1H-pyrrol-2-yl)ethanone (CAS 53391-41-6)
- 2,2,2-Trichloro-1-(2-chlorophenyl)ethanone (CAS 124787-08-2)
- 203626-80-6 4,5,7-Trichloro-2-methylquinoline DTXSID60588899 (CAS 203626-80-6)
Recommended Standards
- 1-(3-bromo-5-fluorophenyl)-2-chloroethanone (CAS 1260892-53-2)
- 7-bromo-2-chloro-5-fluoro-1H-benzimidazole (CAS 1239720-18-3)
- 2-bromo-1-(3-chloro-2-fluorophenyl)ethan-1-one (CAS 1192313-64-6)
- 3-([(tert-Butyldimethylsilyl)oxy]methyl)piperidine (CAS 876147-50-1)
- 4-(4-Methyl-piperazine-1-carbonyl)benzaldehyde (CAS 58287-81-3)
- 2-(tert-Butyl)-1H-benzo[d]imidazol-5-amine (CAS 177843-66-2)
- 2-TEtrahydro-2-furanylpiperidine oxalate (2:1) (CAS 1221818-20-7)
- 4-Amino-1-methyl-5-nitro-1H-pyrazole-3-carboxylic acid (CAS 107259-81-4)
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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