Ethyl 5-hydroxy-5-(trifluoromethyl)-5h,8h-[1,2,4]triazolo[4,3-a]pyrimidine-6-carboxylate CAS 940271-58-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 940271-58-9 |
| Molecular Formula | C9H9F3N4O3 |
| Molecular Weight | 278.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ethyl 5-hydroxy-5-(trifluoromethyl)-5h,8h-[1,2,4]triazolo[4,3-a]pyrimidine-6-carboxylate (CAS 940271-58-9) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C9H9F3N4O3. Molecular weight: 278.19 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C9H9F3N4O3 |
| Molecular Weight | 278.19 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 4 |
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Recommended Standards
- ethyl 2-oxo-2-{2-[4-(trifluoromethyl)pyrimidin-2-yl]hydrazino}acetate (CAS 648427-25-2)
- tert-Butyl ((1R)-3-(bromomethyl)cyclopentyl)carbamate (CAS 2166305-75-3)
- Dimethyl (3,3-difluoro-2-oxo-3-phenylpropyl)phosphonate (CAS 82302-97-4)
- 8-Fluoro-1,3,4,5-tetrahydro-2H-benzo[e][1,4]diazepin-2-one (CAS 1174568-68-3)
- (E)-N-(4-Chlorophenyl)-3-methoxy-N'-methylbenzene-1-carboximidamide (CAS 303149-36-2)
- Benzaldehyde-α-<SUP>13</SUP>C (CAS 10383-90-1)
- 2-Amino-3-(pyridin-3-yl) Propan-1-ol Dihydrochloride (CAS 1803600-24-9)
- Goldmonobromide (CAS 10294-27-6)
- 4’-(aminomethyl)-1,1’-biphenyl-4-ol hydrochloride (CAS 808769-25-7)
- Tirzepatide (CAS 2023788-19-2)
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