3-Amino-5-hydroxyquinoxalin-2(1H)-one CAS 659729-85-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 659729-85-8 |
| Molecular Formula | C8H7N3O2 |
| Molecular Weight | 177.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
3-Amino-5-hydroxyquinoxalin-2(1H)-one (CAS 659729-85-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H7N3O2. Molecular weight: 177.16 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H7N3O2 |
| Molecular Weight | 177.16 g/mol |
| Appearance | Off-white to pale 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 DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 3 |
Recommended Standards
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- 3-Amino-1H-indazole-6-carboxylic acid (CAS 871709-92-1)
- 5-Cyclopropoxy-2-(methylamino)nicotinonitrile (CAS 1243399-77-0)
- 1-Cyclopropyl-6-fluoro-7-(3-methylpiperazin-1-yl)-4-oxo-8-(trifluoromethyl)-1,4-dihydroquinoline-3-carboxylic acid (CAS 144633-80-7)
- cyclobutylhydrazine dihydrochloride (CAS 1156980-49-2)
- 5-(4-Bromophenyl)-2,3-di-p-tolylfuran (CAS 88407-00-5)
- Ethyl 5,6,7,8-tetrahydroimidazo[1,2-a]pyridine-2-carboxylate (CAS 67286-71-9)
- 1,2,3,6-tetrahydropyridine-4-yl-boronic acid (CAS 856694-87-6)
- Des-Val23-Tirzepatide (CAS CATO-CPTD788950)
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