1-(4-chlorophenyl)-1H-pyrazol-3-amine hydrochloride CAS 1909306-05-3
| CAS No. | 1909306-05-3 |
| Molecular Formula | C9H8ClN3 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-(4-chlorophenyl)-1H-pyrazol-3-amine hydrochloride (C9H8ClN3HCl) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine substitution. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
1-(4-chlorophenyl)-1H-pyrazol-3-amine hydrochloride (CAS 1909306-05-3) is a high-purity analytical reference standard with the molecular formula C9H8ClN3HCl and a molecular weight of 230.09 g/mol.
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.
CATO manufactures 1-(4-chlorophenyl)-1H-pyrazol-3-amine hydrochloride under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C9H8ClN3 HCl |
| Molecular Weight | 230.09 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related chlorophenyl Standards
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- N-(2-Chlorophenyl)-5-methyl-1-phenyl-1H-1,2,4-triazole-3-carboxamide (CAS 1000572-01-9)
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- Methyl 1-(2-chlorophenyl)-2,5-dihydro-5-oxo-1H-1,2,4-triazole-3-carboxylate (CAS 1000576-85-1)
- 1-(4-Chlorophenyl)-2,5-dihydro-5-oxo-1H-1,2,4-triazole-3-carboxylic acid phenylamide (CAS 1000577-01-4)
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- 1-(2-Chlorophenyl)-5-oxo-N-phenyl-2,5-dihydro-1H-1,2,4-triazole-3-carboxamide (CAS 1000577-29-6)
- 2-(2-Chlorophenyl)-1-phenylethan-1-amine (CAS 1000615-44-0)
Recommended Standards
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- (S)-2-Amino-2-(3-fluoro-2-methylphenyl)ethanol hydrochloride (CAS 1951425-23-2)
- Allyltributylphosphonium bromide (CAS 55894-18-3)
- Hydantoic Acid-13C,15N Ethyl Ester (CAS 1189492-16-7)
- Isodecanol-Ethoxylate (CAS 61827-42-7)
- 2-(Methylsulfanyl)-7-[(Z)-2-(thiophen-2-yl)ethenyl]-[1,2,4]triazolo[1,5-a]pyrimidine (CAS 339008-37-6)
- endo-Arg30-Semaglutide (CAS CATO-C4X-2226281)
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