(3E)-3-[(Thiophen-2-yl)methylidene]-3,4-dihydro-2H-1-benzopyran-4-one CAS 256485-62-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 256485-62-8 |
| Molecular Formula | C14H10O2S |
| Molecular Weight | 242.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(3E)-3-[(Thiophen-2-yl)methylidene]-3,4-dihydro-2H-1-benzopyran-4-one (CAS 256485-62-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C14H10O2S. Molecular weight: 242.29 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C14H10O2S |
| Molecular Weight | 242.29 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 1-(2,4-Dinitrophenyl)-4-Propylpiperidine (CAS 19780-01-9)
- (S)-Oxetan-2-ylmethyl 4-methylbenzenesulfonate (CAS 2198942-41-3)
- 2-(2-Fluorophenyl)-1,2,3,4-tetrahydroquinolin-4-amine (CAS 1956371-89-3)
- N-methyl-2-(3-(trifluoromethyl)benzoyl)hydrazine-1-carbothioamide (CAS 866153-82-4)
- 5-Ethoxyindole-3-carbaldehyde (CAS 169789-47-3)
- 5-(Propan-2-yl)-1,2,3,4-tetrahydroisoquinoline hydrochloride (CAS 1798012-02-8)
- N-Allyl-2-methoxyacetamide (CAS 486393-59-3)
- Methyl 3-chloro-5h,6h,7h,8h-pyrido[4,3-c]pyridazine-6-carboxylate (CAS 39716-01-3)
- Ethyl 2-Amino-4-(pyridin-2-yl)thiophene-3-carboxylate (CAS 953909-28-9)
- Semaglutide impurity 66 (CAS CATO-C4X-222666)
Why CATO?
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