N-(4-Ethoxyphenyl)-5-phenylthieno[2,3-d]pyrimidin-4-amine CAS 433325-55-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 433325-55-4 |
| Molecular Formula | C20H17N3OS |
| Molecular Weight | 347.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
N-(4-Ethoxyphenyl)-5-phenylthieno[2,3-d]pyrimidin-4-amine (CAS 433325-55-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C20H17N3OS. Molecular weight: 347.43 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C20H17N3OS |
| Molecular Weight | 347.43 g/mol |
| 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related N Standards
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- 1-{4-[(2E)-3-(2-Ethoxyphenyl)prop-2-enoyl]phenyl}-1H-pyrrole-2,5-dione (CAS 1365988-72-2)
- N-(2-ethoxyphenyl)-2-(2-(4-fluorophenoxy)acetyl)hydrazine-1-carboxamide (CAS 905036-62-6)
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Recommended Standards
- N-(4-(2-(3,5-Dimethylpiperidin-1-yl)-2-oxoethyl)thiazol-2-yl)furan-2-carboxamide (CAS 921865-46-5)
- N-(4-Isopropylphenyl)-N-[(4-methylphenyl)sulfonyl]glycine (CAS 333458-91-6)
- N-(3,4-Dimethoxyphenyl)-4-(thiophen-2-yl)tetrahydro-2H-pyran-4-carboxamide (CAS 877651-22-4)
- 3A,4,5,6,7,7a-hexahydro-1H-benzo[d]imidazole (CAS 2018-50-0)
- 6-(4-Oxo-2-thioxothiazolidin-3-yl)hexanoic acid (CAS 4649-06-3)
- 1-(2-Hydroxy-5-nitrophenyl)propan-1-one (CAS 55805-95-3)
- 2,3-Dibromo-6-(difluoromethoxy)benzoic acid (CAS 1807039-60-6)
- Phytomenadione/Vitamin K1 Impurity 109 (CAS CATO-C4X-2207109)
- 3-Hydroxy-3-methyltetrahydro-4H-pyran-4-one (CAS 693248-64-5)
- D-Phe22-Tirzepatide (CAS CATO-CPTD788912)
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