3,5,6-Trimethylthieno[2,3-d]pyrimidine-2,4(1H,3H)-dione CAS 35970-83-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 35970-83-3 |
| Molecular Formula | C9H10N2O2S |
| Molecular Weight | 210.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 3,5,6-Trimethylthieno[2,3-d]pyrimidine-2,4(1H,3H)-dione (CAS 35970-83-3) pharmaceutical standards reference standard. Molecular formula: C9H10N2O2S. Molecular weight: 210.25 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C9H10N2O2S |
| Molecular Weight | 210.25 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1967 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Trimethylthieno Standards
- 2,5,6-trimethylthieno[2,3-d]pyrimidine-4-thiol (CAS 743452-19-9)
- 2,4,5-Trimethylthieno[2,3-d]pyrimidine-6-carbaldehyde (CAS 941378-59-2)
- 3,4,6-Trimethylthieno[2,3-b]pyridine-2-carboxylic acid (CAS 400877-89-6)
- Trimethylthieno[2,3-d]pyrimidine-6-carboxylic acid (CAS 930395-79-2)
- 1-{2,4,5-trimethylthieno[2,3-d]pyrimidin-6-yl}ethan-1-one (CAS 941083-97-2)
- 2-({trimethylthieno[2,3-d]pyrimidin-4-yl}amino)acetic acid (CAS 871673-05-1)
- 2-({2,5,6-trimethylthieno[2,3-d]pyrimidin-4-yl}sulfanyl)acetic acid (CAS 626205-90-1)
- 4-((2,5,6-Trimethylthieno[2,3-d]pyrimidin-4-yl)amino)butanoic acid (CAS 886499-00-9)
Recommended Standards
- 3-(Ethylimino)-2,3-dihydrobenzo[d]isothiazole 1,1-dioxide (CAS 7677-48-7)
- 3-Cyano-N,N-dimethylbenzene-1-sulfonamide (CAS 597561-38-1)
- 3-(benzenesulfonyl)cyclobutan-1-one (CAS 67100-34-9)
- D-Phe- D-Phe-D-Leu-D-Lys(AC)-4-aminohexahydropyridine-4-carboxylic acid (CAS CATO-CPTD788771)
- 4,6-Dichloro-1H-pyrazolo[3,4-d]pyrimidin-3-ol (CAS 1211587-57-3)
- 3-Bromo-2,4-dimethyl-5-phenylthiophene (CAS 362513-28-8)
- Cilastatin Impurity 13 (CAS 2519489-73-5)
- 2-(5-(Hydroxymethyl)-2-mercapto-1h-imidazol-1-yl)-N-methylacetamide (CAS 1105190-20-2)
- 3-(Triphenyl-l5-phosphaneylidene)pentane-2,4-dione (CAS 1474-32-4)
- Pancreatic Polypeptide (1-17)-(Ala31,Aib32)-Neuropeptide Y (18-36) (human) trifluoroacetate salt (CAS 313988-70-4)
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