(4-Bromo-1-methyl-1h-pyrazol-3-yl)methanamine CAS 926921-71-3
| CAS No. | 926921-71-3 |
| Molecular Formula | C5H8BrN3 |
| Molecular Weight | 190.04 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of (4-Bromo-1-methyl-1h-pyrazol-3-yl)methanamine is closely related to a nitrile group, bromine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
(4-Bromo-1-methyl-1h-pyrazol-3-yl)methanamine (CAS 926921-71-3) is a high-purity analytical reference standard with the molecular formula C5H8BrN3 and a molecular weight of 190.04 g/mol.
Owing to a nitrile group, bromine substitution, (4-Bromo-1-methyl-1h-pyrazol-3-yl)methanamine is typically white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 190.04 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
As a certified reference material (CRM), (4-Bromo-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 | C5H8BrN3 |
| Molecular Weight | 190.04 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.) | 1987 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 3 |
Related Bromo Standards
- (4-Bromo-1-methyl-1h-pyrazol-5-yl)methanamine (CAS 1005632-50-7)
- 4-Bromo-1-ethyl-1h-pyrazol-3-amine (CAS 1006481-44-2)
- 3-Bromo-2-cyanotetrahydropyran (CAS 1051940-71-6)
- 2-Bromo-4-isopropyloxazole (CAS 1060816-18-3)
- 5-Bromo-1-isopropyl-1H-1,2,4-triazole (CAS 111340-37-5)
- 2-Bromo-N-(but-3-yn-1-yl)acetamide (CAS 1204333-33-4)
- 2-(3-Bromo-1h-pyrazol-1-yl)ethan-1-amine (CAS 1354704-51-0)
- 2-(4-Bromo-1H-imidazol-1-yl)ethanamine (CAS 1375301-87-3)
Recommended Standards
- (2-Bromo-1-methyl-1H-imidazol-5-yl)methanamine (CAS 944900-75-8)
- [(5-bromofuran-2-yl)methyl](methyl)amine (CAS 889943-39-9)
- (1S,3s)-3-(bromomethyl)-3-hydroxycyclobutane-1-carbonitrile (CAS 578715-75-0)
- 1-amino-4-bromo-1H-pyrrole-2-carbonitrile (CAS 937161-86-9)
- 2-(4-((5R,7S)-2-oxo-3-oxa-1-azaspiro[4.4]Nonan-7-yl)phenyl)acetic acid (CAS 1622180-57-7)
- Ethyl 7-(1H-imidazol-1-yl)-5,6-dihydronaphthalene-2-carboxylate (CAS 89781-86-2)
- Rhodium(III) Chloride Trihydrate (CAS 13569-65-8)
- (2-Amino-4-isobutylphenyl)boronic acid (CAS 153624-54-5)
- 1-Benzoyl-2-hydroxy-7-thia-1-azaspiro[4.4]Nonan-9-one (CAS 69392-35-4)
- 1-(5-Methyl-1-phenyl-1h-pyrazol-4-yl)ethan-1-amine (CAS 956757-13-4)
- 1-(2-chloroethyl)-4-phenylpiperazine dihydrochloride 43219-09-6 (CAS 43219-09-6)
- 2-(Aminomethyl)-5-fluorophenol hydrobromide (CAS 1803588-61-5)
- 6-Chloro-5-(cyanomethyl)-4-(difluoromethyl)nicotinonitrile (CAS 1806968-29-5)
- Acetyl decapeptide-3 (CAS 935288-50-9)
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