Ethyl 4-(1,3-diphenyl-1H-pyrazol-4-yl)-6-methyl-2-thioxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate CAS 306281-18-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 306281-18-5 |
| Molecular Formula | C23H22N4O2S |
| Molecular Weight | 418.51 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ethyl 4-(1,3-diphenyl-1H-pyrazol-4-yl)-6-methyl-2-thioxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate (CAS 306281-18-5) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C23H22N4O2S. Molecular weight: 418.51 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C23H22N4O2S |
| Molecular Weight | 418.51 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Ethyl Standards
- 2-((4,5-Diphenyl-4H-1,2,4-triazol-3-yl)thio)-N-(5-fluoro-2-methylphenyl)acetamide (CAS 763126-04-1)
- 1,1'-Diphenyl-[1,1'-biisobenzofuran]-3,3'(1H,1'H)-dione (CAS 60456-75-9)
- 2,2'-Diphenyl-[2,2'-bibenzofuran]-3,3'(2H,2'H)-dione (CAS 63136-74-3)
- 2,4-Diphenyl-N-(3-(trifluoromethyl)phenyl)pyrimidine-5-carboxamide (CAS 321433-21-0)
- 2,4-Diphenyl-N-(4-(trifluoromethyl)phenyl)pyrimidine-5-carboxamide (CAS 321433-24-3)
- 2-{[(4,5-diphenyl-1H-imidazol-2-yl)sulfanyl]methyl}-5-fluoro-1,3-benzothiazole (CAS 861212-18-2)
- 2-(2-(2-((diphenyl(p-tolyl)methyl)amino)ethoxy)ethoxy)acetic acid (CAS 1858240-45-5)
- (S)-4-((3,6-diphenyl-9H-carbazol-9-yl)methyl)-2-methyl-4,5-dihydrooxazole (CAS 2357080-02-3)
Recommended Standards
- Ethyl 2-benzylidene-7-methyl-3-oxo-5-(p-tolyl)-3,5-dihydro-2H-thiazolo[3,2-a]pyrimidine-6-carboxylate (CAS 324071-90-1)
- Methyl 5-(diethylcarbamoyl)-2-(4-ethoxybenzamido)-4-methylthiophene-3-carboxylate (CAS 420089-60-7)
- Dabsyl-L-leucine (CAS 89131-12-4)
- 4-Cyano-6-(difluoromethyl)-3-iodopicolinoyl chloride (CAS 1805495-85-5)
- 6-[(Piperidin-1-yl)methyl]-2-(propan-2-yl)pyrimidin-4-ol (CAS 866155-63-7)
- 2,2'-(Ethane-1,2-diylidene)bis(hydrazine-1-carbothioamide) (CAS 1072-12-4)
- 2-Chloro-3-(pyrrolidin-1-ylsulfonyl)pyridine (CAS 60597-70-8)
- (5-Methyl-2-[2-(piperidin-1-yl)ethoxy]phenyl)boranediol (CAS 1311183-21-7)
- 3-(3-Hydroxyphenyl)propanenitrile (CAS 23941-88-0)
- semaglutide (CAS 782487-28-9)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com