Benzyl 4-(2,5-dimethoxyphenyl)-6-methyl-2-thioxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate CAS 300689-94-5
| CAS No. | 300689-94-5 |
| Molecular Formula | C21H22N2O4S |
| Molecular Weight | 398.48 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Benzyl 4-(2,5-dimethoxyphenyl)-6-methyl-2-thioxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate (CAS 300689-94-5) is a high-purity analytical reference standard with the molecular formula C21H22N2O4S and a molecular weight of 398.48 g/mol.
Structurally, Benzyl 4-(2,5-dimethoxyphenyl)-6-methyl-2-thioxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate (C21H22N2O4S) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 398.48 g/mol, it falls into the moderately-high-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
CATO manufactures Benzyl 4-(2,5-dimethoxyphenyl)-6-methyl-2-thioxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C21H22N2O4S |
| Molecular Weight | 398.48 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Benzyl Standards
- 3-(2,4-Dimethoxyphenyl)-N-(2-methoxyethyl)-2,5-dimethyl-N-propylpyrazolo[1,5-a]pyrimidin-7-amine (CAS 195054-99-0)
- 2-(4-(4-(3,4-Dimethoxyphenyl)-5-methyl-1H-pyrazol-3-yl)-3-hydroxyphenoxy)acetohydrazide (CAS 1095524-58-5)
- 1-(2,5-Dimethoxyphenyl)-3-[3-(tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]urea (CAS 2096997-11-2)
- 1-(2,5-Dimethoxyphenyl)-2-methyl-5-(4-(methylsulfonyl)phenyl)-1H-pyrrole-3-carbaldehyde (CAS 478032-27-8)
- 5-(3,4-Dimethoxyphenyl)-2-(piperidin-1-yl)-[1,3]thiazolo[4,5-b]pyridine-7-carboxylic acid (CAS 852388-76-2)
- Ethyl 2-{[5-(3,4-dimethoxyphenyl)-4-phenyl-4h-1,2,4-triazol-3-yl]sulfanyl}acetate (CAS 91759-72-7)
- N-(2,4-Dimethoxyphenyl)-2-((1-(4-methoxyphenyl)-1H-imidazol-2-yl)thio)acetamide (CAS 688335-95-7)
- N-(2,4-Dimethoxyphenyl)-2-((4-ethyl-5-(pyridin-2-yl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 577981-98-7)
Recommended Standards
- 6-Bromo-2-(4-bromophenyl)-4-chloroquinazoline (CAS 885277-83-8)
- BLZ945 (CAS 953769-46-5)
- 4-[2-(Methylsulfanyl)phenyl]-N-(3-oxo-3,4-dihydro-2H-1,4-benzoxazin-6-yl)piperazine-1-carboxamide (CAS 866137-35-1)
- BM-531 (CAS 284464-46-6)
- Diaminomaleonitrile (CAS 1187-42-4)
- 4-Chlorophenethyl indolizine-7-carboxylate (CAS 62103-40-6)
- 4-Bromo-1-methyl-1H-pyrrolo[3,2-c]pyridine-2-carboxylic acid (CAS 1784112-18-0)
- 1-[2-chloro-4-(morpholin-4-yl)phenyl]ethan-1-ol (CAS 1343761-16-9)
- 5-((tert-Butoxycarbonyl)amino)-1,3,4-oxadiazole-2-carboxylic acid (CAS 1258411-54-9)
- Lornoxicam impurity 71 (CAS CATO-C4X-201671)
- 2,3-Difluoro-6-chlorophenylboronic acid (CAS 1310404-70-6)
- n-(2-Aminoethyl)-6-methylpyridazin-3-amine dihydrochloride (CAS 1251925-14-0)
- 3-(1-Cyanocyclopropyl)-2-fluorophenylboronic acid (CAS 2096341-54-5)
- Neuropeptide Y (3-36) (human, rat) trifluoroacetate salt (CAS 150138-78-6)
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