5-Amino-2H-benzo[b][1,4]oxazin-3(4H)-one CAS 148890-63-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 148890-63-5 |
| Molecular Formula | C8H8N2O2 |
| Molecular Weight | 164.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
5-Amino-2H-benzo[b][1,4]oxazin-3(4H)-one (CAS 148890-63-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H8N2O2. Molecular weight: 164.16 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H8N2O2 |
| Molecular Weight | 164.16 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1999 |
| Nitrogen Atoms | 2 |
Recommended Standards
- 2,6-Bis(hydroxymethyl)isonicotinonitrile (CAS 148258-04-2)
- 8-Amino-1H-benzo[d][1,3]oxazin-2(4H)-one (CAS 148890-67-9)
- (3R,4S,5S)-1,3,4,5-Tetrahydroxyhexan-2-one (CAS 14807-05-7)
- 3-(Dimethylamino)-2-methylpropan-1-ol (CAS 33622-41-2)
- 2-(3,7-Dihydroxy-dibenzo[b,f][1,4]oxazepin-11-yl)-benzoic acid (CAS 13606-02-5)
- (4-((Trifluoromethyl)thio)phenyl)hydrazine (CAS 88575-32-0)
- Ethyl 3-(trifluoromethoxy)benzoate (CAS 677713-01-8)
- methyl 4-iodo-1-methyl-1H-pyrrole-2-carboxylate (CAS 40740-42-9)
- 4-(Benzofuran-2-yl)-2-hydrazinylpyrimidine (CAS 1108234-21-4)
- Tyr-Proinsulin C-Peptide (55-89) (human) (CAS 139532-11-9)
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