[1-(4-chlorophenyl)-1h-pyrazol-3-yl]methanol CAS 1354746-01-2
| CAS No. | 1354746-01-2 |
| Molecular Formula | C10H9ClN2O |
| Molecular Weight | 208.64 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), [1-(4-chlorophenyl)-1h-pyrazol-3-yl]methanol meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
CATO supplies [1-(4-chlorophenyl)-1h-pyrazol-3-yl]methanol (CAS 1354746-01-2), a certified reference material (molecular formula C10H9ClN2O, MW 208.64 g/mol) for analytical method development and quality control.
Based on its molecular formula C10H9ClN2O, [1-(4-chlorophenyl)-1h-pyrazol-3-yl]methanol contains a nitrogen-containing heterocyclic scaffold, 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 208.64 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Physical & Chemical Properties
| Molecular Formula | C10H9ClN2O |
| Molecular Weight | 208.64 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related chlorophenyl Standards
- (E)-2-(4-chlorophenyl)-3-(methoxyimino)propanenitrile (CAS 1013061-60-3)
- (5-(4-Chlorophenyl)isoxazol-3-yl)methanamine (CAS 1018662-18-4)
- 2-(4-Chlorophenyl)imidazole-5-methanol (CAS 1053657-17-2)
- 6-(4-Chlorophenyl)-4,5-dihydropyridazin-3(2H)-one (CAS 1079-73-8)
- N-((4-Chlorophenyl)(cyano)methyl)acetamide (CAS 110087-91-7)
- 1-(2-chlorophenyl)-3-prop-2-yn-1-ylurea (CAS 1197753-77-7)
- 2-(4-Chlorophenyl)-5-methyl-1H-pyrazol-3(2H)-one (CAS 13024-90-3)
- 4-(3-chlorophenyl)-3-methylisoxazol-5-amine (CAS 1311856-66-2)
Recommended Standards
- 2-Chloro-N-(2-cyanobenzyl)acetamide (CAS 1353964-93-8)
- 2-(1-Chloroethyl)-3,4-dihydroquinazolin-4-one (CAS 137225-34-4)
- 3-(3-Chloro-4-methylphenyl)isoxazol-5-amine (CAS 1342662-70-7)
- (2-Chlorophenyl)methanesulfonyl fluoride (CAS 1384429-15-5)
- 1-Cyclopropyl-1H-imidazole-4-carbaldehyde hydrochloride (CAS 2089257-24-7)
- 3-Ethoxy-n-methylspiro[3.3]heptan-1-amine hydrochloride (CAS 1394042-20-6)
- 3,4-Dichloro-1-phenethyl-1H-pyrrole-2,5-dione (CAS 3116-49-2)
- Methyl (2-hydroxypropyl)carbamate (CAS 92633-41-5)
- 2-Cyano-N-(2,6-dichloro-4-nitrophenyl)acetamide (CAS 955314-24-6)
- 1-Butyl-2-phenylpyridin-1-ium iodide (CAS 116286-77-2)
- N-Methyl-4-(3-nitrophenyl)-1,3-thiazol-2-amine (CAS 172848-45-2)
- N-[3-(1H-imidazol-1-yl)propyl]-4,5-dimethyl-1,3-benzothiazol-2-amine (CAS 1177341-69-3)
- 3-Phenyl-5-(propan-2-ylidene)-2-thioxoimidazolidin-4-one (CAS 61632-47-1)
- Semaglutide impurity 58 (CAS CATO-C4X-222658)
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