5-amino-1,2-benzoxazol-3-one CAS 73498-28-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 73498-28-9 |
| Molecular Formula | C7H6N2O2 |
| Molecular Weight | 150.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-amino-1,2-benzoxazol-3-one (CAS 73498-28-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H6N2O2. Molecular weight: 150.13 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C7H6N2O2 |
| Molecular Weight | 150.13 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
| Nitrogen Atoms | 2 |
Related amino Standards
- 3-Amino-1,2-benzisoxazol-4-ol (CAS 126940-15-6)
- 5-Amino-2,3-dihydro-1,3-benzoxazol-2-one (CAS 14733-77-8)
- 1-Amino-3,3-difluorocyclobutane-1-carboxamide (CAS 2092577-73-4)
- 2-amino-6-methyl-4-oxo-4H-Pyran-3-carbonitrile (CAS 67643-16-7)
- 4-Amino-3,3-difluoro-1-methylpyrrolidin-2-one (CAS 2167553-04-8)
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- 2-Amino-6,7-dihydro-5H-pyrrolo[3,4-d]pyrimidin-5-one (CAS 1092281-05-4)
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Recommended Standards
- 5-(Hydroxymethyl)tetrahydrofuran-2,3,4-triol (CAS 292853-79-3)
- 5-(Furan-2-yl)isoxazol-3-amine (CAS 91678-89-6)
- 5-Ethynyl-1-methylpyrimidine-2,4(1H,3H)-dione (CAS 250658-12-9)
- 3-(4-Pyridin-2-yl-piperazin-1-yl)-propionic acidhydrochloride (CAS 1185293-81-5)
- Dicyclobutylphosphine oxide (CAS 2696308-44-6)
- 1-(3-(Trifluoromethyl)-1h-pyrazol-1-yl)propan-2-amine (CAS 1006328-56-8)
- 4-Amino-3-(difluoromethyl)-6-(trifluoromethyl)picolinonitrile (CAS 1805108-75-1)
- 6-Morpholin-4-yl-3-nitro-4-trifluoromethyl-3,4,5,6-tetrahydro-2H-[1,2]bipyridinyl-4-carboxylic acid ethyl ester (CAS 1089330-49-3)
- 1-Amino-3-(piperazin-1-yl)propan-2-ol (CAS 186343-40-8)
- Tirzepatide Impurity 24 X TFA Salt (CAS CATO-C4X-324024)
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