4-bromo-1-methyl-1H-pyrazol-5-amine hydrobromide CAS 1955553-44-2
| CAS No. | 1955553-44-2 |
| Molecular Formula | C4H6BrN3 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 4-bromo-1-methyl-1H-pyrazol-5-amine hydrobromide 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.
4-bromo-1-methyl-1H-pyrazol-5-amine hydrobromide (CAS 1955553-44-2), molecular formula C4H6BrN3HBr and molecular weight 256.93 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C4H6BrN3HBr, 4-bromo-1-methyl-1H-pyrazol-5-amine hydrobromide contains a nitrile group, bromine substitution; these features give the compound characteristic molecular-ion distribution patterns in mass spectrometry. The molecular weight of 256.93 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
Physical & Chemical Properties
| Molecular Formula | C4H6BrN3 HBr |
| Molecular Weight | 256.93 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 | Br-containing |
| Nitrogen Atoms | 3 |
Related bromo Standards
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- 14-Bromo-1-tetradecyne (CAS 1000014-24-3)
- 8-Bromo-6-chloro-imidazo[1,2-a]pyridine-2-carboxylic acid (CAS 1000017-98-0)
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Recommended Standards
- N-(Pyridin-3-yl)pyridine-4-carboxamide (CAS 39642-69-8)
- 2-(4-Carboxyphenyl)-3-hydroxypyridine (CAS 1261937-73-8)
- methyl 4-methyl-6-oxo-1,6-dihydropyridine-3-carboxylate (CAS 1224465-02-4)
- Pyridine-3,4-dicarboxylic Anhydride (CAS 4664-08-8)
- Venlafaxine Impurity 61 (CAS 2641915-09-3)
- 1-(O-tolyloxy)propan-2-ol (CAS 4317-61-7)
- ((6-(Difluoromethyl)-8-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)naphthalen-1-yl)ethynyl)triisopropylsilane (CAS 2856022-12-1)
- Vortioxetine Impurity 148 (CAS CATO-C4X-1056148)
- Dimethylammonium dichlorotri(mu-chloro)bis{(S)-(-)-2,2'-bis[di(3,5-xylyl)phosphino]-1,1'-binaphthyl}diruthenate(II) (CAS 944451-10-9)
- Neuropeptide Y (free acid) (human, rat) trifluoroacetate salt (CAS 99575-89-0)
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