5,6-Bis(bromomethyl)pyrazine-2,3-dicarbonitrile CAS 189701-21-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 189701-21-1 |
| Molecular Formula | C8H4Br2N4 |
| Molecular Weight | 315.95 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5,6-Bis(bromomethyl)pyrazine-2,3-dicarbonitrile (CAS 189701-21-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H4Br2N4. Molecular weight: 315.95 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H4Br2N4 |
| Molecular Weight | 315.95 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2011 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 4 |
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Recommended Standards
- 2-(4-Iodophenyl)-5,5-dimethyl-1,3,2-dioxaborinane (CAS 5572-94-1)
- 5,5'-Dibromo-2,2'-bipyrimidine (CAS 400859-09-8)
- 1,3-Dibromo-5-(difluoromethyl)-2-methoxybenzene (CAS 2149591-33-1)
- Butanal, 4-[(6-deoxy-alpha-l-mannopyranosyl)oxy]- (CAS 1258196-96-1)
- 1-(bromomethyl)-1-methanesulfonylcyclohexane (CAS 1909336-04-4)
- (Z)-Ethyl 3-bromo-2-(hydroxyimino)propanoate (CAS 127033-04-9)
- 7-Fluoro-2-(methylthio)benzo[d]thiazole (CAS 1175278-03-1)
- Tert-butyl (S)-(2-oxo-2,3,4,5-tetrahydro-1H-benzo[b]azepin-3-yl)carbamate (CAS 156247-61-9)
- (Z)-3-acetamido-3-phenylacrylic acid (CAS 950919-72-9)
- Semaglutide impurity 41 (CAS CATO-C4X-222641)
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