3-(chloromethyl)-5-methyl-1H-pyrazole;hydrochloride CAS 278798-05-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 278798-05-3 |
| Molecular Formula | C5H11ClN2 HCl |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(chloromethyl)-5-methyl-1H-pyrazole;hydrochloride (CAS 278798-05-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C5H11ClN2 HCl. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C5H11ClN2 HCl |
| Molecular Weight | 171.06 g/mol |
| 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 | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 0.0 |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related chloromethyl Standards
- 7-(Chloromethyl)-3-methyl-5H-thiazolo[3,2-a]pyrimidin-5-one (CAS 100003-81-4)
- 7-(Chloromethyl)-2,3-dimethyl-5H-thiazolo[3,2-a]pyrimidin-5-one (CAS 100003-82-5)
- 7-(Chloromethyl)-3-(4-chlorophenyl)-5H-thiazolo[3,2-a]pyrimidin-5-one (CAS 100003-85-8)
- chloromethyl 2-ethoxy-2-methylpropanoate (CAS 1000296-74-1)
- 5-(chloromethyl)-N-(4-methylbenzyl)-1,3,4-thiadiazole-2-carboxamide (CAS 1000932-24-0)
- 5-(Chloromethyl)-7-ethoxy-2-(trifluoromethyl)-[1,2,4]triazolo[1,5-a]pyrimidine (CAS 1000932-47-7)
- 5-(chloromethyl)-N-(4-fluorobenzyl)-1,3,4-thiadiazole-2-carboxamide (CAS 1000932-60-4)
- 2-(Chloromethyl)-5,6-diphenylfuro[2,3-d]pyrimidin-4-amine (CAS 1000933-67-4)
Recommended Standards
- Methyl 2-(5-iodo-3-nitropyridin-2-ylamino)acetate (CAS 1179359-56-8)
- N-(Methylsulfonyl)piperidine-4-carboxamide (CAS 405512-95-0)
- 2-(4-Amino-1H-pyrazol-1-yl)acetic acid (CAS 1006348-46-4)
- 2-Chloro-5-fluoro-3-(trifluoromethyl)benzyl alcohol (CAS 2056110-51-9)
- 1-Fluoro-3-(2-methoxyethoxy)-2-nitrobenzene (CAS 131055-85-1)
- 4-Ethynyl-2-fluoro-1-methoxybenzene (CAS 120136-28-9)
- Palmitoyl Tripeptide-1 HCl (CAS 2757690-14-3)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com