Ethyl 2-[(3,4-dimethoxyphenyl)methyl]-5-methyl-4-oxo-3h,4h-thieno[2,3-d]pyrimidine-6-carboxylate CAS 743439-33-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 743439-33-0 |
| Molecular Formula | C19H20N2O5S |
| Molecular Weight | 388.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity Ethyl 2-[(3,4-dimethoxyphenyl)methyl]-5-methyl-4-oxo-3h,4h-thieno[2,3-d]pyrimidine-6-carboxylate (CAS 743439-33-0) pharmaceutical standards reference standard. Molecular formula: C19H20N2O5S. Molecular weight: 388.44 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C19H20N2O5S |
| Molecular Weight | 388.44 g/mol |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Ethyl Standards
- N-(3,4-Dimethoxyphenyl)-2-((4-ethyl-5-(furan-2-yl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 573975-42-5)
- N-(3,5-Dimethoxyphenyl)-2-((4-ethyl-5-(furan-2-yl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 557069-70-2)
- N-(2,4-Dimethoxyphenyl)-2-(5-methyl-3-(morpholine-4-carbonyl)-1H-pyrazol-1-yl)acetamide (CAS 1170454-79-1)
- 1-(2,4-Dimethoxyphenyl)-4-methyl-6-(trifluoromethyl)-1H,2H,3H-pyrrolo[3,2-c]quinoline (CAS 860789-33-9)
- N-(4-(2,5-Dimethoxyphenyl)thiazol-2-yl)-2-(methylthio)nicotinamide (CAS 756865-41-5)
- N-(4-(3,4-Dimethoxyphenyl)thiazol-2-yl)-2-(methylthio)nicotinamide (CAS 784160-43-6)
- N-[(3,4-Dimethoxyphenyl)methyl]-2-[[(1R)-2-hydroxy-1-methylethyl]amino]-5-nitro-benzamide (CAS 247568-68-9)
- N-[(3,4-Dimethoxyphenyl)methyl]-2-[[(1S)-2-hydroxy-1-methylethyl]amino]-5-nitro-benzamide (CAS 247567-47-1)
Recommended Standards
- 4-(4-(4-Methoxyphenyl)pyrimidin-2-yl)phenyl thiophene-2-carboxylate (CAS 477857-29-7)
- 3-Methyl-N-((2-(pyridin-3-yl)benzo[d]oxazol-5-yl)carbamothioyl)benzamide (CAS 590394-57-3)
- 3'-(4-Phenoxyphenyl)spiro[indoline-3,2'-thiazolidine]-2,4'-dione (CAS 724751-56-8)
- N,2-dimethyl-6-oxo-1,6-dihydropyrimidine-5-carboxamide (CAS 1251925-07-1)
- 3-(N,N-Dimethylsulfamoyl)phenylboronic Acid (CAS 871329-59-8)
- 4-Acetyl-6-bromopicolinaldehyde (CAS 1393569-53-3)
- N4-(3-Bromophenyl)quinazoline-4,6-diamine (CAS 169205-78-1)
- Fmoc-D-Arg(Pbf)-OPfp (CAS 200132-33-8)
- 1-Methyl-3,4-dihydro-1H-spiro[naphthalene-2,2'-piperidine] (CAS 791039-46-8)
- Des-Gly34-Tirzepatide (CAS CATO-CPTD788940)
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