7-Hydroxy-5-methyl-[1,2,4]triazolo[4,3-a]quinoxaline-1,4(2H,5H)-dione CAS 90042-24-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 90042-24-3 |
| Molecular Formula | C10H8N4O3 |
| Molecular Weight | 232.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
7-Hydroxy-5-methyl-[1,2,4]triazolo[4,3-a]quinoxaline-1,4(2H,5H)-dione (CAS 90042-24-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C10H8N4O3. Molecular weight: 232.20 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C10H8N4O3 |
| Molecular Weight | 232.20 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Nitrogen Atoms | 4 |
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Recommended Standards
- 7-(Furan-2-yl)-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-5-carboxylic acid (CAS 945105-04-4)
- 9-Oxo-9H-indeno[1,2-b]pyrazine-2,3-dicarbonitrile (CAS 40114-84-9)
- 6,6-Dimethyl-3-(trifluoromethyl)-6,7-dihydro-1H-indazol-4(5H)-one (CAS 908111-34-2)
- 2-(2-Ethoxyethoxy)-5-formylphenylboronic acid (CAS 2096330-81-1)
- Hexafluoroisobutene (CAS 382-10-5)
- 1-(5-Bromo-2H-indazol-2-yl)ethan-1-one (CAS 1195623-05-2)
- N-p-Tolyl-1-(5-(p-tolyl)furan-2-yl)methanimine (CAS 463346-91-0)
- N-(5-Oxido-2-(p-tolyl)-2,6-dihydro-4H-thieno[3,4-c]pyrazol-3-yl)furan-2-carboxamide (CAS 958587-27-4)
- 2-(2-Methoxyphenyl)-4,5-diphenyloxazole (CAS 111603-42-0)
- Atrial Natriuretic Polypeptide (4-28), human (CAS 95896-08-5)
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