3-Amino-4-bromo-1-methylpyrazole CAS 146941-72-2
| CAS No. | 146941-72-2 |
| Molecular Formula | C4H6BrN3 |
| Molecular Weight | 176.01 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C4H6BrN3, 3-Amino-4-bromo-1-methylpyrazole contains a nitrile group, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 176.01 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
3-Amino-4-bromo-1-methylpyrazole (CAS 146941-72-2) is a high-purity analytical reference standard with the molecular formula C4H6BrN3 and a molecular weight of 176.01 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.
CATO manufactures 3-Amino-4-bromo-1-methylpyrazole 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 | C4H6BrN3 |
| Molecular Weight | 176.01 g/mol |
| Appearance | White to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| 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.) | 1998 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 3 |
Related Amino Standards
- 3-Amino-4-bromo-2-methylpyrazole (CAS 105675-85-2)
- 5-Amino-3-bromo-1-methylpyrazole (CAS 1357471-14-7)
- 3-Amino-5-bromo-1-methylpyrazole (CAS 89088-55-1)
- 3-Amino-4-chlorobenzyl chloride (CAS 1025055-23-5)
- 5-Amino-2-chlorobenzyl chloride (CAS 1122052-39-4)
- 5-Amino-3-(trifluoromethyl)-1H-pyrazole-4-carbonitrile (CAS 10033-63-3)
- 6-Amino-3-(difluoromethyl)pyridine-2,5-diol (CAS 1805161-37-8)
- 4-Amino-3-(difluoromethyl)pyridine-2,6-diol (CAS 1805161-42-5)
Recommended Standards
- 5-Bromo-1-ethyl-1H-1,2,3-triazole (CAS 1393560-22-9)
- 5-Bromo-1-methyl-1H-imidazol-2-amine (CAS 151597-83-0)
- 4-Bromo-1-ethyl-1H-1,2,3-triazole (CAS 1393532-87-0)
- 2-Bromo-5-ethyloxazole (CAS 1600133-28-5)
- Methyl 2-((1-methyl-4-nitro-1H-pyrazol-3-yl)thio)acetate (CAS 1429419-51-1)
- Methyl 4-(3-chlorobenzyl)-1H-pyrrole-3-carboxylate (CAS 1313712-17-2)
- rel-(1R,2R)-1,2-Bis(chloromethyl)cyclohexane (CAS 61169-66-2)
- 3-(Trifluoromethoxy)benzenesulfonamide (CAS 503179-70-2)
- (R)-Pyrrolidin-2-yl butyrate (CAS 221911-57-5)
- Difelikefalin Impurity 3 (CAS 956977-18-7)
- 2-Bromo-5-(pyridin-2-yl)oxazole (CAS 1512005-44-5)
- O-(4-Fluorobenzyl)hydroxylamine hydrochloride (CAS 51572-89-5)
- 1-(Pyrimidin-2-yl)piperidine-3-carboxylic acid hydrochloride (CAS 1185296-02-9)
- Semaglutide Impurity 246 (CAS CATO-C4X-2226246)
Why CATO?
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