4-(3-Methoxyphenyl)-2-(methylthio)-6-oxo-1,6-dihydropyrimidine-5-carbonitrile CAS 128640-73-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 128640-73-3 |
| Molecular Formula | C13H11N3O2S |
| Molecular Weight | 273.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(3-Methoxyphenyl)-2-(methylthio)-6-oxo-1,6-dihydropyrimidine-5-carbonitrile (CAS 128640-73-3) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C13H11N3O2S. Molecular weight: 273.31 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C13H11N3O2S |
| Molecular Weight | 273.31 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Methoxyphenyl Standards
- 3-(N-(3-methoxyphenyl)sulfamoyl)-2-methylpropanoic acid (CAS 1018528-60-3)
- N-(3-methoxyphenyl)-N-(methylsulfonyl)-L-alanine (CAS 1049810-59-4)
- 1-(4-Methoxyphenyl)-6-(methylthio)-4-oxo-1,4-dihydropyrimidine-5-carbonitrile (CAS 950272-26-1)
- 2-(2-Methoxyphenyl)-7-methyl-5H-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one (CAS 81516-39-4)
- 4-[(4-Methoxyphenyl)sulfanyl]-3-methyl-[1,2]oxazolo[5,4-d]pyrimidine (CAS 478045-21-5)
- 4-{[(4-Methoxyphenyl)sulfonyl]amino}butanoic acid (CAS 81242-26-4)
- 7-(3-Methoxyphenyl)-2-methylthiazolo[4,5-d]pyridazin-4-ol (CAS 941868-58-2)
- 7-(4-Methoxyphenyl)-2-methylthiazolo[4,5-d]pyridazin-4-ol (CAS 941868-60-6)
Recommended Standards
- 4-Nitro-4-thiomethylbenzophenone (CAS 127615-48-9)
- 2-(butylamino)-5-nitrobenzene-1-sulfonamide (CAS 1286648-18-7)
- (2R,3S)-3-Amino-4-(diphenylphosphino)-2-butanol (CAS 1264520-30-0)
- 5-Iodoisoquinolin-1(2H)-one (CAS 190777-75-4)
- 9-Oxa-1,4-diazaspiro[5.5]Undecane (CAS 303802-17-7)
- 1-[3-(Difluoromethyl)phenyl]ethanone (CAS 1373866-59-1)
- 6-Isocyanatochromane (CAS 1002727-87-8)
- tert-butyl 4-hydroxy-4-methylazepane-1-carboxylate (CAS 878631-04-0)
- 1,5-Dichloro-4,8-dinitronaphthalene (CAS 858457-98-4)
- Semaglutide Impurity 144 (CAS 394210-59-4)
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