7,8-Dichloro-[1,2,4]triazolo[4,3-a]quinoxalin-4(5H)-one CAS 143007-00-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 143007-00-5 |
| Molecular Formula | C9H4Cl2N4O |
| Molecular Weight | 255.06 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 7,8-Dichloro-[1,2,4]triazolo[4,3-a]quinoxalin-4(5H)-one (CAS 143007-00-5) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C9H4Cl2N4O. Molecular weight: 255.06 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C9H4Cl2N4O |
| Molecular Weight | 255.06 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, 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
Related Dichloro Standards
- 2,6-Dichloro-4-(difluoromethoxy)acetophenone (CAS 1803717-58-9)
- 2,5-Dichloro-4-(difluoromethoxy)acetophenone (CAS 1803786-58-4)
- 3,4-Dichloro-2-(difluoromethoxy)acetophenone (CAS 1803786-62-0)
- 3,6-Dichloro-2-(difluoromethoxy)acetophenone (CAS 1803817-55-1)
- 2,3-Dichloro-4-(difluoromethoxy)acetophenone (CAS 1804421-00-8)
- 3,4-Dichloro-5-(difluoromethoxy)acetophenone (CAS 1804421-08-6)
- 2,6-Dichloro-3-(difluoromethoxy)acetophenone (CAS 1805123-86-7)
- 3,5-Dichloro-2-(difluoromethoxy)acetophenone (CAS 1806274-55-4)
Recommended Standards
- 4-(1-Iodoethenyl)benzonitrile (CAS 1411963-44-4)
- 7-Bromo-5-methylbenzofuran-3-carboxylic acid (CAS 1484296-20-9)
- Methyl 7-Bromobenzofuran-4-carboxylate (CAS 1379313-05-9)
- 2-(bromomethyl)-3-fluoro-6-methyl-pyridine (CAS 1805595-06-5)
- 1-Methyl-6-(trifluoromethyl)-1H-indole (CAS 1146637-26-4)
- Abemaciclib impurity 119 (CAS CATO-C4X-2937119)
- (3-(6-Fluoro-1H-indol-1-yl)phenyl)methanol (CAS 1349716-01-3)
- tert-Butyl (2-(hydroxymethyl)benzofuran-4-yl)carbamate (CAS 503621-01-0)
- 2-Chloro-5-fluoro-4,6-dimethylpyrimidine (CAS 1192479-36-9)
- Semaglutide impurity 74 (CAS CATO-C4X-222674)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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