4-Chloro-5-(chloromethyl)-1-methyl-1h-pyrazole CAS 129308-95-8
Purity 97%+In StockPharmaceutical Standards
| 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
4-Chloro-5-(chloromethyl)-1-methyl-1h-pyrazole (CAS 129308-95-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C5H6Cl2N2. Molecular weight: 165.02 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
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)
- 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)
- 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)
- Semaglutide Impurity 14(Discontinued,See CPTD788307 ) (CAS CATO-C4X-222614)
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