5-(Chloromethyl)-1,4-dimethyl-1H-pyrazole hydrochloride CAS 1956335-39-9
| CAS No. | 1956335-39-9 |
| Molecular Formula | C6H9ClN2 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5-(Chloromethyl)-1,4-dimethyl-1H-pyrazole hydrochloride (CAS 1956335-39-9), a certified reference material (molecular formula C6H9ClN2HCl, MW 181.06 g/mol) for analytical method development and quality control.
Owing to a nitrile group, chlorine substitution, 5-(Chloromethyl)-1,4-dimethyl-1H-pyrazole hydrochloride is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 181.06 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 5-(Chloromethyl)-1,4-dimethyl-1H-pyrazole hydrochloride 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.
Physical & Chemical Properties
| Molecular Formula | C6H9ClN2 HCl |
| Molecular Weight | 181.06 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) | 2.0 |
| CAS Registry Year (est.) | 1996 |
| 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
- 2-(Tert-butyl)-5-fluoro-1h-indole (CAS 900640-44-0)
- N,N,N-Tripropylbutan-1-aminium bromide (CAS 61175-77-7)
- 1-methyl-4,5-dihydro-1H-1,2,4-triazole-5-thione (CAS 32362-75-7)
- Benzo[d]thiazole-6-carboxamide (CAS 101084-51-9)
- 2-fluoro-5-(2-oxoethyl)benzonitrile (CAS 1025727-38-1)
- 2-Methylpent-3-yn-2-amine (CAS 31914-32-6)
- Ly309887 (CAS 127228-54-0)
- 2-(4-Isopropylbenzoyl)benzoic acid (CAS 7471-33-2)
- N-(4-isopropoxybenzyl)-2,2-dimethyltetrahydro-2H-pyran-4-amine hydrochloride (CAS 134126-80-0)
- Tirzepatide Impurity 49 (CAS CATO-C4X-324049)
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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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com