5-Chloro-1-methyl-1H-pyrazol-4-amine hydrochloride CAS 406188-95-2
| CAS No. | 406188-95-2 |
| Molecular Formula | C4H6ClN3 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 5-Chloro-1-methyl-1H-pyrazol-4-amine hydrochloride (C4H6ClN3HCl) 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 168.02 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.
5-Chloro-1-methyl-1H-pyrazol-4-amine hydrochloride (CAS 406188-95-2) is a high-purity analytical reference standard with the molecular formula C4H6ClN3HCl and a molecular weight of 168.02 g/mol.
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-Chloro-1-methyl-1H-pyrazol-4-amine 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 | C4H6ClN3 HCl |
| Molecular Weight | 168.02 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.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
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Recommended Standards
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- 1-methyl-1H-indazole-7-carbaldehyde (CAS 951030-58-3)
- Varenicline Impurity 51 (CAS CATO-C4X-196251)
- 4-(2,4,6-Trifluorobenzoyl)-1H-pyrrole-2-carboxylic acid (CAS 1201597-19-4)
- 5-Cyclopropoxy-4-iodonicotinamide (CAS 1243469-55-7)
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- 2-Desisopropyl-2-phenyl Repaglinide-d5 (Repaglinide Impurity) (CAS 1346598-75-1)
- Fragment-[3-31]-Semaglutide (CAS CATO-C4X-2226113)
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