5-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl](methyl)amino}-3-(2,6-dichlorophenyl)-3aH,4H,5H,6H,6aH-pyrrolo[3,4-d][1,2]oxazole-4,6-dione CAS 338775-03-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 338775-03-4 |
| Molecular Formula | C18H10Cl3F3N4O3 |
| Molecular Weight | 493.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl](methyl)amino}-3-(2,6-dichlorophenyl)-3aH,4H,5H,6H,6aH-pyrrolo[3,4-d][1,2]oxazole-4,6-dione (CAS 338775-03-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H10Cl3F3N4O3. Molecular weight: 493.65 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C18H10Cl3F3N4O3 |
| Molecular Weight | 493.65 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 4 |
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Recommended Standards
- (6R,9aR)-1-(3-(1H-indol-3-yl)propanoyl)-6-butyl-8-(piperidin-4-ylmethyl)hexahydro-4H-pyrazino[1,2-a]pyrimidine-4,7(6H)-dione (CAS CATO-C3D-262711)
- (1R)-2'-(Dicyclohexylphosphanyl)-N,N-dimethyl-[1,1'-binaphthalen]-2-amine (CAS 255882-15-6)
- Ethyl 2-(4-(dimethylamino)benzylidene)-7-methyl-5-(4-(methylthio)phenyl)-3-oxo-3,5-dihydro-2H-thiazolo[3,2-a]pyrimidine-6-carboxylate (CAS 351516-96-6)
- 4-Chloro-3-(5,5-dimethyl-1,3,2-dioxaborinan-2-yl)benzonitrile (CAS 883898-94-0)
- 4,4-Diphenylcyclohexan-1-ol (CAS 42420-85-9)
- Diflubenzuron-d4 (CAS 1219795-45-5)
- 3,5-Dioxocyclohexanecarboxylicacid (CAS 42858-60-6)
- 2-Chloro-6-methylbenzotrifluoride 1-Chloro-3-methyl-2-(trifluoromethyl)benzene 112641-25-5 (CAS 112641-25-5)
- 2-(6-Chloropyridin-3-yl)benzo[d]oxazole (CAS 54628-03-4)
- Semaglutide Impurity 155 (x TFA Salt) (CAS CATO-C4X-2226155)
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