(R)-(2-Methyl-6-nitro-2,3-dihydroimidazo[2,1-b]oxazol-2-yl)methanol CAS 681491-16-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 681491-16-7 |
| Molecular Formula | C7H9N3O4 |
| Molecular Weight | 199.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(R)-(2-Methyl-6-nitro-2,3-dihydroimidazo[2,1-b]oxazol-2-yl)methanol (CAS 681491-16-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H9N3O4. Molecular weight: 199.16 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C7H9N3O4 |
| Molecular Weight | 199.16 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 methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 3 |
Recommended Standards
- (5-(Hydroxymethyl)furan-2-carbonyl)glycine (CAS 38716-68-6)
- (S)-2-Amino-3-(2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)propanoic acid (CAS 21416-43-3)
- (2)-Methyl-6-nitro-2,3-dihydroimidazo[2,1-b]oxazol-2-yl)methanol, 97% (CAS 681491-12-3)
- 5-Chloro-4-{[(4-fluorophenyl)sulfanyl]methyl}-1-methyl-3-phenyl-1H-pyrazole (CAS 318234-11-6)
- (S)-6,6'-Bis[3,5-bis(trifluoromethyl)phenyl]-2,2',3,3'-tetrahydro-1,1'-spirobi[1H-indene]-7,7'-diol (CAS 1258327-01-3)
- 1-(2-Cyanophenyl)-N-pentylmethanesulfonamide (CAS 1036530-96-7)
- 2,2-(2,2-(Butane-1,4-diyl)bis(1H-benzo[d]-imidazole-2,1-diyl))diacetic acid (CAS 445416-61-5)
- N-(1-(Benzo[d]thiazol-2-yl)-3-methyl-1H-pyrazol-5-yl)cyclopropanecarboxamide (CAS 956240-45-2)
- Droperidol Impurity 10 (CAS CATO-C4X-276910)
- Tirzepatide Impurity 10 (CAS CATO-C4X-324010)
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