2H-Oxazolo[4,5-g]indazole CAS 21274-68-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 21274-68-0 |
| Molecular Formula | C8H5N3O |
| Molecular Weight | 159.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2H-Oxazolo[4,5-g]indazole (CAS 21274-68-0) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C8H5N3O. Molecular weight: 159.14 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C8H5N3O |
| Molecular Weight | 159.14 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Nitrogen Atoms | 3 |
Related H Standards
- 2H-Oxazolo[5,4-e]indazole (CAS 42318-51-4)
- 7H-Oxazolo[5,4-e]indazole (CAS 21274-69-1)
- 2H-Oxazolo[5,4-g]indole (CAS 117025-06-6)
- 2H-Oxazolo[4,5-e]indole (CAS 77482-56-5)
- 2H-Oxazolo[4,5-e]isoindole (CAS 42540-48-7)
- 2H-Oxazolo[4,5-f]indole (CAS 70814-40-3)
- 2H-Oxazolo[4,5-f]isoindole (CAS 42394-83-2)
- 2H-Oxazolo[5,4-e]indole (CAS 70814-39-0)
Recommended Standards
- 2H-Isoxazolo[5,4-b]pyrrolo[3,4-d]pyridine (CAS 407624-71-9)
- 2H-Isoxazolo[5,4-b]pyrrolo[2,3-e]pyridine (CAS 952702-87-3)
- 2-Hydroxy-1h-pyrrolo[3,2-b]pyridine-3-carbonitrile (CAS 32501-04-5)
- 6-Chloro-3-iodo-5-(trifluoromethyl)pyridin-4(3H)-one (CAS 1379297-78-5)
- 2-Amino-1-methyl-1H-imidazole-4,5-dicarbonitrile (CAS 136805-41-9)
- (3-Bromophenyl)(4-butylphenyl)methanol (CAS 1273935-00-4)
- 4-(4-Bromophenyl)-3H-1,2,4-triazole-3,5(4H)-dione (CAS 107553-79-7)
- 2-Ethylbutyl 4-(2-bromophenyl)-6-methyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate (CAS 300360-02-5)
- Itaconic Acid (CAS 97-65-4)
- Semaglutide Impurity 164 (CAS CATO-C4X-2226164)
Why CATO?
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