Isoxazolo[4',5':3,4]benzo[1,2-c][1,2,5]oxadiazole CAS 126877-68-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 126877-68-7 |
| Molecular Formula | C7H3N3O2 |
| Molecular Weight | 161.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Isoxazolo[4',5':3,4]benzo[1,2-c][1,2,5]oxadiazole (CAS 126877-68-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H3N3O2. Molecular weight: 161.12 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C7H3N3O2 |
| Molecular Weight | 161.12 g/mol |
| Appearance | Pale yellow to 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
| Nitrogen Atoms | 3 |
Related Isoxazolo Standards
- Isoxazolo[5',4':3,4]benzo[1,2-c][1,2,5]oxadiazole (CAS 133818-22-1)
- Isoxazolo[4,5-e][1,2,4]triazolo[4,3-c]pyrimidine (CAS 80161-12-2)
- 7H-Isoxazolo[4,5-c]pyrazolo[1,2-a]pyridazine (CAS 121014-31-1)
- 2H-Isoxazolo[5,4-d]azonine (CAS 154099-32-8)
- 2H-Isoxazolo[5,4-d]pyrazolo[3,4-b]pyridine (CAS 106990-55-0)
- 1H-Isoxazolo[3,4-d]pyrazolo[3,4-b]pyridine (CAS 107457-74-9)
- Isoxazolo[4,3-e]pyrazolo[1,5-a]pyrimidine (CAS 149626-22-2)
- 2H-Isoxazolo[5,4-b]pyrazolo[4,3-e]pyridine (CAS 404345-61-5)
Recommended Standards
- 2,4-Difluorobenzoic-d3 Acid (CAS 1219804-63-3)
- 3-Methyl-5-(trifluoromethyl)pyridine (CAS 131748-15-7)
- 2,6-Difluorobenzoic-d3 Acid (CAS 1219804-21-3)
- Proline, 1-(2-furanylmethyl)-, hydrochloride (1:1) (CAS 953409-03-5)
- 8-Bromo-6-fluoro-2H-benzo[d][1,3]oxazine-2,4(1H)-dione (CAS 1343359-94-3)
- Sulfo-Cyanine5 (CAS 146368-11-8)
- (2-Amino-6-methyl-phenyl)-carbamic acid tert-butyl ester (CAS 885270-79-1)
- 4-Chloro-1-(2-ethylcyclohexyl)-1h-pyrazol-3-amine (CAS 1339011-85-6)
- Tert-butyl (4-(ethylamino)phenyl)carbamate (CAS 1111628-40-0)
- (Leu31,Pro3?)-Neuropeptide Y (human, rat) trifluoroacetate salt (CAS 132699-73-1)
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