2-((5,6,7,8-Tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-4-yl)thio)acetic acid CAS 40277-59-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 40277-59-6 |
| Molecular Formula | C12H12N2O2S2 |
| Molecular Weight | 280.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-((5,6,7,8-Tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-4-yl)thio)acetic acid (CAS 40277-59-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H12N2O2S2. Molecular weight: 280.37 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C12H12N2O2S2 |
| Molecular Weight | 280.37 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1968 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
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Recommended Standards
- 2-((4-Aminothieno[2,3-d]pyrimidin-2-yl)thio)-N-cyclopropylacetamide (CAS 923707-56-6)
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- 2-((2-Aminophenyl)thio)-N-(5-methyl-1,3,4-thiadiazol-2-yl)acetamide (CAS 436094-55-2)
- 3-(Ethylthio)-2-[[4-(5-fluoro-2-pyridinyl)phenyl]methyl]-7,8-dihydro-5,7,7-trimethyl-2H-imidazo[1,2-α]pyrazolo[4,3-e]pyrimidin-4(5H)-one (CAS 1415809-03-8)
- Saikosaponin b4 (CAS 58558-09-1)
- 4-Amino-1-(3-fluorophenyl)-2,5-dihydro-1H-pyrrole-3-carbonitrile (CAS 1710302-02-5)
- 2-(3-Fluorophenyl)-5-methyloxazole-4-carboxamide (CAS 61152-07-6)
- 1-(4-Methoxybenzyl)piperazinehydrochloride (CAS 109188-09-2)
- Safinamide Impurity 38 (CAS 1827614-91-4)
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