(4-Chloro-1-methyl-1h-pyrazol-3-yl)methanamine CAS 1017785-44-2
| CAS No. | 1017785-44-2 |
| Molecular Formula | C5H8ClN3 |
| Molecular Weight | 145.59 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
(4-Chloro-1-methyl-1h-pyrazol-3-yl)methanamine (CAS 1017785-44-2) is a high-purity analytical reference standard with the molecular formula C5H8ClN3 and a molecular weight of 145.59 g/mol.
Owing to a nitrile group, chlorine substitution, (4-Chloro-1-methyl-1h-pyrazol-3-yl)methanamine is typically white to pale yellow liquid. Its solid-state physicochemical attributes — including a molecular weight of 145.59 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
As a certified reference material (CRM), (4-Chloro-1-methyl-1h-pyrazol-3-yl)methanamine 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 | C5H8ClN3 |
| Molecular Weight | 145.59 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 | 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.) | 1988 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Chloro Standards
- (4-Chloro-1-methyl-1h-pyrazol-5-yl)methanamine (CAS 1001500-75-9)
- 4-Chloro-1,5-dimethyl-1h-pyrazol-3-amine (CAS 1006320-25-7)
- 4-Chloro-1-ethyl-1,2-dihydro-3h-pyrazol-3-imine (CAS 1006333-30-7)
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Recommended Standards
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- 5H-Cyclohepta[d]pyrimidine (CAS 264-95-9)
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