5-(4-Ethoxyphenyl)-3-methylisoxazolo[5,4-d]pyrimidin-4(5H)-one CAS 94640-97-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 94640-97-8 |
| Molecular Formula | C14H13N3O3 |
| Molecular Weight | 271.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(4-Ethoxyphenyl)-3-methylisoxazolo[5,4-d]pyrimidin-4(5H)-one (CAS 94640-97-8) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C14H13N3O3. Molecular weight: 271.27 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C14H13N3O3 |
| Molecular Weight | 271.27 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Nitrogen Atoms | 3 |
Related Ethoxyphenyl Standards
- 6-(4-Ethoxyphenyl)-3-formylpicolinic acid (CAS 1447953-38-9)
- 2-(4-(4-Ethoxyphenyl)-2,3-dioxo-3,4-dihydropyrazin-1(2H)-yl)acetonitrile (CAS 898419-44-8)
- Methyl 6-(4-ethoxyphenyl)-2-methylnicotinate (CAS 1447960-36-2)
- N-(2-ethoxyphenyl)-2-methoxybenzamide (CAS 306279-65-2)
- N-(2-Ethoxyphenyl)-4-methoxybenzamide (CAS 303795-58-6)
- N-(4-Ethoxyphenyl)-2-methoxybenzamide (CAS 306279-64-1)
- N-(4-ethoxyphenyl)-4-methoxybenzamide (CAS 303795-57-5)
- (2E)-1-(4-Ethoxyphenyl)-3-(3-fluorophenyl)prop-2-en-1-one (CAS 1287402-67-8)
Recommended Standards
- 5-(3,4-Dimethoxyphenyl)-6-methyl-[1,2,3,4]tetrazolo[1,5-a]pyrimidine (CAS 861206-28-2)
- 5-(4-Methoxyphenyl)-4-(p-tolyl)-4H-1,2,4-triazole-3-thiol (CAS 5679-72-1)
- 4-Oxo-5,10-dihydro-4H-benzo[e]pyrazolo[1,5-a][1,4]diazepine-2-carboxylic acid (CAS 87592-06-1)
- 4-Azido-6-methyl-7-azaindole (CAS 1190315-17-3)
- 2-Nitro-1-(2-nitrophenyl)ethanol (CAS 18731-43-6)
- Argatroban Impurity 49 (CAS CATO-C4X-100749)
- Ethyl 2-(2,4,7-trimethyl-1H-indol-3-yl)acetate (CAS 92652-15-8)
- 4-Chloro-6-nitrocinnoline (CAS 68211-17-6)
- 4,5-Dimethyl-2-pyrimidinol hydrochloride (CAS 92000-23-2)
- Insulin Degludec Impurity 6 (CAS CATO-C4X-21576)
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