4-Chloro-5-(chloromethyl)-1-methyl-1h-pyrazole CAS 129308-95-8
| CAS No. | 129308-95-8 |
| Molecular Formula | C5H6Cl2N2 |
| Molecular Weight | 165.02 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 165.02 g/mol gives 4-Chloro-5-(chloromethyl)-1-methyl-1h-pyrazole distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 4-Chloro-5-(chloromethyl)-1-methyl-1h-pyrazole (CAS 129308-95-8), a certified reference material (molecular formula C5H6Cl2N2, MW 165.02 g/mol) for analytical method development and quality control.
Based on its molecular formula C5H6Cl2N2, 4-Chloro-5-(chloromethyl)-1-methyl-1h-pyrazole contains a nitrile group, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 165.02 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 4-Chloro-5-(chloromethyl)-1-methyl-1h-pyrazole under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C5H6Cl2N2 |
| Molecular Weight | 165.02 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.) | 1993 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloro Standards
- 2-Chloro-5-(chloromethyl)-1-methyl-1H-imidazole (CAS 1222479-26-6)
- 4-Chloro-3-(chloromethyl)-1-methyl-1h-pyrazole (CAS 1429418-75-6)
- 2-Chloro-5-(1-chloroethyl)furan (CAS 1644345-91-4)
- 3-Chloro-1-(chloromethyl)-5-methyl-1H-pyrazole (CAS 51355-86-3)
- 5-chloro-3-(chloromethyl)-1-methyl-1H-pyrazole (CAS 524740-33-8)
- 6-Chloro-1-(chloromethyl)cyclohex-1-ene (CAS 81034-09-5)
- 4-Chloro-1h-pyrazole-3-carbonyl chloride (CAS 717871-75-5)
- 2-Chloro-5-(methylthio)thiophene (CAS 23167-83-1)
Recommended Standards
- 5-Bromo-1,2,4-thiadiazole (CAS 43201-13-4)
- 4-Bromo-2-(methyl-d3)-2H-1,2,3-triazole (CAS 2704432-88-0)
- 4,5-Dichloro-1,2-dimethyl-1H-imidazole (CAS 175201-56-6)
- 4-Bromo-1,2,3-thiadiazole (CAS 500314-99-8)
- tert-butyl N-[(benzenesulfonyl)methyl]-N-hydroxycarbamate (CAS 870300-76-8)
- 3-(3-Chlorophenyl)-6-{[3-(2,4-dimethoxyphenyl)-1,2,4-oxadiazol-5-yl]methyl}-3H,6H,7H-[1,2,3]triazolo[4,5-d]pyrimidin-7-one (CAS 1040645-62-2)
- 1'-(Tert-butyl)-2'-oxo-1',2',5,7-tetrahydrospiro[cyclopenta[b]pyridine-6,3'-pyrrolo[2,3-b]pyridine]-3-carboxylic acid (CAS 1456804-13-9)
- 5,6-Dihydropyrido[3,2-e]pyrrolo[1,2-a]pyrazine (CAS 180416-34-6)
- Methyl 2-(2,4-diphenylthiazol-5-yl)acetate (CAS 23821-92-3)
- n-(Benzo[d][1,3]dioxol-5-ylmethyl)-2-(1h-benzo[d]imidazol-2-yl)acetamide (CAS 743451-13-0)
- 4-Oxo-4-(2-phenylmorpholino)butanoic acid (CAS 1183671-23-9)
- Zirconium(IV)sulfide (CAS 12039-15-5)
- 4-ethyl-3-oxohexanenitrile (CAS 42124-67-4)
- Semaglutide Impurity 14(Discontinued,See CPTD788307 ) (CAS CATO-C4X-222614)
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