Butyl 4-(2,5-dimethoxyphenyl)-6-methyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate CAS 300690-14-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 300690-14-6 |
| Molecular Formula | C18H24N2O5 |
| Molecular Weight | 348.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Butyl 4-(2,5-dimethoxyphenyl)-6-methyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate (CAS 300690-14-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H24N2O5. Molecular weight: 348.39 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C18H24N2O5 |
| Molecular Weight | 348.39 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
Related Butyl Standards
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Recommended Standards
- Enalaprilat (CAS 76420-72-9)
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- Ethyl 2-amino-4-(1,1-diethoxyethyl)pyrimidine-5-carboxylate (CAS 62328-02-3)
- Methyl 5,6-Dichloropyridine-2-carboxylate (CAS 1214375-24-2)
- 5-(Bromomethyl)-2-propylpyrimidine (CAS 1823380-14-8)
- 3,3'-(1,1,3,3-Tetramethyldisiloxane-1,3-diyl)bis(propan-1-ol) (CAS 18001-97-3)
- 4,6-Dihydro-1H-thieno[3,4-c]pyrazol-3-amine (CAS 901771-45-7)
- 2-[(2,4-Dichlorophenyl)methyl]-6-[(E)-2-phenylethenyl]-2,3-dihydropyridazin-3-one (CAS 1164459-04-4)
- Tirzepatide Impurity 57 (CAS CATO-C4X-324057)
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