5-Methyl-5,7-dihydrothieno[3,4-d]pyrimidin-4(3H)-one CAS 1001123-68-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1001123-68-7 |
| Molecular Formula | C7H8N2OS |
| Molecular Weight | 168.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5-Methyl-5,7-dihydrothieno[3,4-d]pyrimidin-4(3H)-one (CAS 1001123-68-7), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C7H8N2OS. Molecular weight: 168.22 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C7H8N2OS |
| Molecular Weight | 168.22 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Methyl Standards
- 2,3-Dihydrothieno[3,4-d]pyridazine-1,4-dione (CAS 412338-39-7)
- 5,6-Dihydrothieno[2,3-d]pyridazine-4,7-dione (CAS 91533-21-0)
- 2,3-Dihydrothieno[3,4-b][1,4]dioxine-5-carbaldehyde (CAS 204905-77-1)
- 6,7-Dihydrothieno[3,2-d]pyrimidine-2,4-diol (CAS 913581-92-7)
- (2,3-Dihydrothieno[3,4-b][1,4]dioxin-2-yl)methanamine (CAS 1003863-36-2)
- (2,3-Dihydrothieno[3,4-b][1,4]dioxin-5-yl)methanol (CAS 859851-01-7)
- 7-Oxo-6,7-dihydrothieno[2,3-c]pyridine-4-carbonitrile, 97% (CAS 912369-27-8)
- 4-Oxo-3,4-dihydrothieno[2,3-d]pyrimidine-5-carbonitrile (CAS 1801143-20-3)
Recommended Standards
- Sulindac Impurity 89 (CAS 37794-15-3)
- 2-Methoxypyridine-3-carbothioamide (CAS 1016837-97-0)
- N-Nitroso Betahistine d3 (Mixture of Isomers) (CAS CATO-C4X-183839)
- Ethyl 2-(2,6-dioxopiperidin-4-yl)acetate (CAS 23763-03-3)
- 2,6-dibromo-4-fluorobenzoic acid (CAS 91590-90-8)
- 6-Ethylthieno[2,3-d]pyrimidin-4-amine (CAS 879873-49-1)
- 1,2-Di-m-tolyldisulfane (CAS 20333-41-9)
- Concanavalin ADISCONTINUED (CAS 11028-71-0)
- 4-(4-fluorophenyl)-6-isopropyl-1H-pyrrolo[2,3-b]pyridine-5-carbaldehyde (CAS 140640-93-3)
- D-Leu14-Tirzepatide (CAS CATO-CPTD788920)
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