(2E)-1-(4-Ethoxyphenyl)-3-(5-methylthiophen-2-yl)prop-2-en-1-one CAS 1287289-43-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1287289-43-3 |
| Molecular Formula | C16H16O2S |
| Molecular Weight | 272.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(2E)-1-(4-Ethoxyphenyl)-3-(5-methylthiophen-2-yl)prop-2-en-1-one (CAS 1287289-43-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C16H16O2S. Molecular weight: 272.36 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C16H16O2S |
| Molecular Weight | 272.36 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Sulfur Atoms | 1 |
Related E Standards
- (2E)-1-(4-Ethoxyphenyl)-3-(3-methylthiophen-2-yl)prop-2-en-1-one (CAS 1354941-17-5)
- 1-(4-Ethoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidine-4-thiol (CAS 1082437-06-6)
- 6-(4-Ethoxyphenyl)imidazo[2,1-b]thiazole-5-carbaldehyde (CAS 562792-62-5)
- 4-[(4-Ethoxyphenyl)methoxy]benzoic acid (CAS 62290-44-2)
- N-(4-Ethoxyphenyl)-1-methyl-6-oxo-1,6-dihydropyridazine-3-carboxamide (CAS 757222-06-3)
- N-(2-Ethoxyphenyl)-N-(methylsulfonyl)glycine (CAS 333454-66-3)
- N-(4-ethoxyphenyl)-N-(methylsulfonyl)glycine (CAS 333357-41-8)
- 3-(3-Ethoxyphenyl)-5-(piperidin-3-yl)-1,2,4-oxadiazole (CAS 1153972-18-9)
Recommended Standards
- Tert-butyl 4-fluoro-2,9-diazaspiro[5.5]Undecane-9-carboxylate (CAS 1263181-71-0)
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- Tert-butyl 3-fluoro-1,9-diazaspiro[5.5]Undecane-9-carboxylate (CAS 1427173-53-2)
- 2-(piperazin-1-yl)-4-(propan-2-yl)pyrimidine (CAS 1342539-22-3)
- 4-Phenyltetrahydro-2H-pyran-4-carboxamide (CAS 833439-14-8)
- 1-Methyl-4-propyl-1h,2'h-[3,3'-bipyrazol]-5-amine (CAS 2023528-27-8)
- 1,6-Anhydro-2,3-dideoxy-β-threo-hex-2-enopyranose (CAS 52630-81-6)
- Mitoxantrone EP Impurity B (CAS 80189-44-2)
- 608-40-2 Butanedioic acid,3-dimethyl-, (R*,S*)- Butanedioic acid,3-dimethyl-, [R-(R*,S*)]- NSC-400523 NSC400523 Succinic acid,3-dimethyl-, erythro-meso- Succinic acid,3-dimethyl-, meso- erythro-2,3-Dimethylsuccinic acid (CAS 608-40-2)
- Semaglutide impurity 67 (CAS CATO-C4X-222667)
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