2-Bromo-5-chloro-[1,2,4]triazolo[1,5-a]pyrazine CAS 1935050-83-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1935050-83-1 |
| Molecular Formula | C5H2BrClN4 |
| Molecular Weight | 233.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Bromo-5-chloro-[1,2,4]triazolo[1,5-a]pyrazine (CAS 1935050-83-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C5H2BrClN4. Molecular weight: 233.45 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C5H2BrClN4 |
| Molecular Weight | 233.45 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1996 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 4 |
Related Bromo Standards
- 5-Bromo-2-chlorooxazolo[4,5-b]pyridine (CAS 1211533-63-9)
- 6-Bromo-4-chlorofuro[3,2-d]pyrimidine (CAS 1211536-97-8)
- 7-Bromo-4-chlorofuro[3,2-d]pyrimidine (CAS 1211595-48-0)
- 6-Bromo-8-chloro-[1,2,4]triazolo[4,3-a]pyrazine (CAS 1334135-75-9)
- 8-Bromo-5-chloro-[1,2,4]triazolo[1,5-c]pyrimidine (CAS 1367774-82-0)
- 2-Bromo-6-chloro-3-hydroxyisonicotinonitrile (CAS 1445968-08-0)
- 6-Bromo-2-chloro-[1,2,4]triazolo[1,5-a]pyrimidine (CAS 1779766-69-6)
- 5-Bromo-4-chloroimidazo[5,1-f][1,2,4]triazine (CAS 1780012-72-7)
Recommended Standards
- 7-Bromo-2-chlorofuro[3,2-d]pyrimidine (CAS 1823890-40-9)
- 3-Bromo-5-chloro-1H-pyrazolo[4,3-d]pyrimidine (CAS 1935930-11-2)
- 6-Bromo-2-chlorooxazolo[5,4-b]pyridine (CAS 1782797-89-0)
- Methyl 8-(chlorosulfonyl)quinoline-6-carboxylate (CAS 1305711-05-0)
- 3-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]sulfanyl}-5,6-diphenyl-1,2,4-triazine (CAS 866133-97-3)
- N-(4-(((3-(trifluoromethyl)phenyl)thio)methyl)phenyl)thiophene-2-carboxamide (CAS 338398-68-8)
- 2-Phenyl-N-(pyridin-2-ylmethyl)quinoline-4-carboxamide (CAS 65628-70-8)
- 3-(6-Methoxy-pyrimidin-4-yloxymethyl)-piperidine-1-carboxylic acid tert-butyl ester (CAS 1353984-88-9)
- Piperidine Impurity 19 (CAS CATO-C4X-239919)
- (Glu1)-Fibrinopeptide B (human) (CAS 103213-49-6)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com