Isoxazolo[4,5-e][1,2,4]triazolo[4,3-c]pyrimidine CAS 80161-12-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 80161-12-2 |
| Molecular Formula | C6H3N5O |
| Molecular Weight | 161.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Isoxazolo[4,5-e][1,2,4]triazolo[4,3-c]pyrimidine (CAS 80161-12-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C6H3N5O. Molecular weight: 161.12 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C6H3N5O |
| 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 |
| 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.) | 1979 |
| Nitrogen Atoms | 5 |
Related Isoxazolo Standards
- Isoxazolo[4',5':3,4]benzo[1,2-c][1,2,5]oxadiazole (CAS 126877-68-7)
- Isoxazolo[5',4':3,4]benzo[1,2-c][1,2,5]oxadiazole (CAS 133818-22-1)
- 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
- 7-Oxo-4h,7h-[1,2,4]triazolo[1,5-a]pyrimidine-6-carbonitrile (CAS 89488-67-5)
- rel-(2R,3R)-N2,N3-Dihydroxyaziridine-2,3-dicarboxamide (CAS 66620-05-1)
- 4-Amino-N-hydroxy-3-oxoisoxazolidine-5-carboxamide (CAS 66619-96-3)
- N-(2,3-dimethylphenyl)-2-nitrobenzamide (CAS 102630-94-4)
- BDP TR maleimide (CAS 2183473-37-0)
- 1,3-Dichloro-2-(diethoxymethyl)benzene (CAS 35364-85-3)
- 5'H,7'H-spiro[cyclobutane-1,6'-pyrazolo[5,1-b][1,3]oxazine]-2'-carboxylic acid (CAS 1707365-33-0)
- 1-Chloro-9-fluorononane (CAS 463-23-0)
- 5-(4-Chlorophenyl)-6-(ethoxymethyl)pyrimidine-2,4-diamine (CAS 2032-90-8)
- Tirzepatide Impurity 16 (CAS CATO-C4X-324016)
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