3-(Chloromethyl)-1-methyl-1H-pyrazole hydrochloride CAS 88529-80-0
| CAS No. | 88529-80-0 |
| Molecular Formula | C5H7ClN2 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 167.03 g/mol gives 3-(Chloromethyl)-1-methyl-1H-pyrazole hydrochloride distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3-(Chloromethyl)-1-methyl-1H-pyrazole hydrochloride (CAS 88529-80-0) is a high-purity analytical reference standard with the molecular formula C5H7ClN2HCl and a molecular weight of 167.03 g/mol.
Structurally, 3-(Chloromethyl)-1-methyl-1H-pyrazole hydrochloride (C5H7ClN2HCl) contains a nitrile group, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 2.0, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 167.03 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
As a certified reference material (CRM), 3-(Chloromethyl)-1-methyl-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 | C5H7ClN2 HCl |
| Molecular Weight | 167.03 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.) | 1982 |
| 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
- 3-Benzyl-2H-pyrido[1,2-a]pyrimidine-2,4(3H)-dione (CAS 36861-61-7)
- 1,1-Dibutyl-2-((2,6-dimethylphenyl)carbamoyl)piperidin-1-ium iodide (CAS 852669-91-1)
- 1,2-Dichloro-3,3,3-trifluoropropene (CAS 431-27-6)
- N-(5-((2-Oxo-2-(thiazol-2-ylamino)ethyl)thio)-1,3,4-thiadiazol-2-yl)-2-phenoxyacetamide (CAS 389072-45-1)
- 1160245-60-2 [(3-Ethyl-4,5-dihydro-5-isoxazolyl)methyl]amine hydrochloride (CAS 1160245-60-2)
- 7-(Trifluoromethyl)imidazo[1,2-a]pyrimidine-2,5(1H,3H)-dione (CAS 294878-92-5)
- 4-Bromo-2,3-dimethyl-6-nitroaniline (CAS 108485-13-8)
- 7-Bromo-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole (CAS 108061-47-8)
- 3-Bromo-5-(3,4-dihydro-2H-pyrrol-5-yl)pyridine (CAS 64319-85-3)
- Peptide 438 (CAS CATO-CPTD788438)
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