5-Bromo-3-methylpyrazin-2-amine CAS 74290-67-8
| CAS No. | 74290-67-8 |
| Molecular Formula | C5H6BrN3 |
| Molecular Weight | 188.03 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C5H6BrN3, 5-Bromo-3-methylpyrazin-2-amine contains a nitrile group, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 188.03 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
5-Bromo-3-methylpyrazin-2-amine (CAS 74290-67-8), molecular formula C5H6BrN3 and molecular weight 188.03 g/mol, is a CATO reference standard with documented purity and traceability.
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-Bromo-3-methylpyrazin-2-amine 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 | C5H6BrN3 |
| Molecular Weight | 188.03 g/mol |
| Appearance | Off-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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1978 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 3 |
Related Bromo Standards
- 4-Bromo-2-hydrazinylpyridine (CAS 1019918-39-8)
- 5-Bromo-4,6-dimethyl-1,2,3-triazine (CAS 109520-03-8)
- 6-Bromo-2-methylpyrimidin-4-amine (CAS 1161763-15-0)
- 7-Bromo-2,3-dihydro-1H-imidazo[1,2-b]pyrazole (CAS 116248-33-0)
- 3-Bromo-4-hydrazinylpyridine (CAS 1202941-04-5)
- 6-Bromo-N-methylpyridazin-3-amine (CAS 1208657-07-1)
- 4-Bromo-2-(methylamino)pyrimidine (CAS 1209458-16-1)
- 6-bromo-N-methylpyrimidin-4-amine (CAS 1209458-21-8)
Recommended Standards
- 5-Bromo-3-cyclopropyl-1h-1,2,4-triazole (CAS 82767-64-4)
- 5-Bromo-N-methylpyrazin-2-amine (CAS 446286-92-6)
- 5-Bromo-2-hydrazinopyridine (CAS 77992-44-0)
- 5-Bromo-N-methylpyrimidin-4-amine (CAS 56181-38-5)
- 2-Fluoro-4-(4-methylphenyl)benzonitrile (CAS 166446-31-7)
- 3,5-diiodobenzene-1,2-diamine (CAS 729585-15-3)
- Ethyl 2-isothiocyanato-5-phenylthiophene-3-carboxylate (CAS 85716-86-5)
- N-(5-bromopyridin-2-yl)-4-fluorobenzamide (CAS 300717-33-3)
- 1-Methyl-6-oxo-2-(thiophen-2-yl)piperidine-3-carboxylic acid (CAS 1334148-77-4)
- 2,2-Dimethyl-2,7b-dihydro-1aH-oxireno[2,3-c]chromene-5-carbonitrile (CAS 86824-80-8)
- 1-(3,5-Dimethoxyphenyl)butan-1-ol (CAS 708253-29-6)
- 4-Chloro-3-(chloromethyl)pyridine (CAS 485828-90-8)
- 1-Phenyl-3-(2-(thiophen-3-yl)benzyl)urea (CAS 1796947-42-6)
- MCH-Gene-Overprinted-Polypeptide-14 (rat) (H-4746.0500) (CAS 182917-44-8)
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