2-Methylthieno[2,3-d]pyrimidin-4(3H)-one 21582-51-4 MFCD00706457 SY033884 CAS 21582-51-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 21582-51-4 |
| Molecular Formula | C7H10N2OS |
| Molecular Weight | 170.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 2-Methylthieno[2,3-d]pyrimidin-4(3H)-one 21582-51-4 MFCD00706457 SY033884 (CAS 21582-51-4) pharmaceutical standards reference standard. Molecular formula: C7H10N2OS. Molecular weight: 170.23 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C7H10N2OS |
| Molecular Weight | 170.23 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Methylthieno Standards
- 5-methylthieno[2,3-d][1,3]thiazol-2-amine (CAS 41940-59-4)
- (1-methylthieno[2,3-c]pyrazol-5-yl)methanol (CAS 2853613-24-6)
- 3-methylthieno[2,3-c]pyridin-7-amine (CAS 2306278-28-2)
- 3-methylthieno[3,2-c]pyridin-4-amine (CAS 2306262-33-7)
- N-methylthieno[3,2-d]pyrimidin-4-amine (CAS 1097040-23-7)
- 7-methylthieno[3,2-d]pyrimidin-4-amine (CAS 1301212-43-0)
- 3-methylthieno[3,2-b]pyridin-7-ol (CAS 953045-90-4)
- 6-Methylthieno[3,2-d]pyrimidin-4(3H)-one (CAS 108134-21-0)
Recommended Standards
- Ticagrelor Impurity 77 (CAS 54460-95-6)
- 4-Propoxy-pyrimidine-2-thiol 4-propoxypyrimidine-2-thiol 438219-92-2 (CAS 438219-92-2)
- S-Furfuryl Thiopropionate (CAS 59020-85-8)
- 5,8-Dichloro-7-hydroxy-3,4-dihydroisoquinolin-1(2H)-one (CAS 1616289-20-3)
- 4-Amino-6-chloro-3-(difluoromethyl)pyridin-2-ol (CAS 1805056-39-6)
- 1-Pyridin-2-yl-cyclopentanecarboxylic acid (CAS 783297-14-3)
- 4-(chloromethyl)-2-isopropoxypyridine hydrochloride (CAS 1357946-36-1)
- Toremifene Impurity 74 (CAS CATO-C4X-13974)
- 3,5-Bis(4-fluorophenyl)-1h-pyrazole (CAS 1493-47-6)
- Semaglutide impurity 202 (CAS CATO-C4X-2226202)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com