Ethyl 2-{5,6-dimethyl-4-oxo-3h,4h-thieno[2,3-d]pyrimidin-2-yl}acetate CAS 105219-73-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 105219-73-6 |
| Molecular Formula | C12H14N2O3S |
| Molecular Weight | 266.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ethyl 2-{5,6-dimethyl-4-oxo-3h,4h-thieno[2,3-d]pyrimidin-2-yl}acetate (CAS 105219-73-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H14N2O3S. Molecular weight: 266.32 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C12H14N2O3S |
| Molecular Weight | 266.32 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Ethyl Standards
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Recommended Standards
- 4-[(Morpholine-4-sulfonyl)methyl]benzonitrile (CAS 1042507-00-5)
- (5-Oxo-2,3,6,7,8,9-hexahydro-5H-[1,3]thiazolo[2,3-b]quinazolin-3-yl)acetic acid (CAS 1105190-90-6)
- 4-Amino-6-(2,3-dimethoxyphenyl)-1,6-dihydro-1,3,5-triazine-2-thiol (CAS 1142207-56-4)
- (R)-2-(4-fluoro-2-methylphenyl)-2-(methylamino)ethan-1-ol (CAS 1336401-75-2)
- 5-(Thiophen-2-ylsulfonyl)-8-(trifluoromethyl)-1,3,4,5-tetrahydro-2H-benzo[b][1,4]diazepin-2-one (CAS 866138-35-4)
- Paracetamol EP Impurity N (CAS 3070-86-8)
- 2-(3-Fluorobenzenesulfonyl)ethylamine (CAS 1514857-05-6)
- 3-Ethoxythiocarbonylsulfamylphenyl Acetic Acid (CAS 887354-92-9)
- 1-(4-Chloro-3-methylphenyl)pentan-1-one (CAS 1000370-23-9)
- Semaglutide impurity 66 (CAS CATO-C4X-222666)
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