4-[(2E)-3-(Thiophen-2-yl)prop-2-enoyl]phenyl 4-methylbenzoate CAS 306731-98-6
| CAS No. | 306731-98-6 |
| Molecular Formula | C21H16O3S |
| Molecular Weight | 348.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO supplies 4-[(2E)-3-(Thiophen-2-yl)prop-2-enoyl]phenyl 4-methylbenzoate (CAS 306731-98-6), a certified reference material (molecular formula C21H16O3S, MW 348.41 g/mol) for analytical method development and quality control.
4-[(2E)-3-(Thiophen-2-yl)prop-2-enoyl]phenyl 4-methylbenzoate (C21H16O3S) contains a steroid core, a sulfone group, a hydroxyl group, an ether linkage. Its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 4-[(2E)-3-(Thiophen-2-yl)prop-2-enoyl]phenyl 4-methylbenzoate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C21H16O3S |
| Molecular Weight | 348.41 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Sulfur Atoms | 1 |
Related E Standards
- 2-(5-(Thiophen-2-yl)-1,10b-dihydro-5H-benzo[e]pyrazolo[1,5-c][1,3]oxazin-2-yl)phenol (CAS 896618-79-4)
- 3-(5-(Thiophen-2-yl)-1,10b-dihydro-5H-benzo[e]pyrazolo[1,5-c][1,3]oxazin-2-yl)phenol (CAS 899729-02-3)
- 3-(5-(Thiophen-3-yl)-1,10b-dihydro-5H-benzo[e]pyrazolo[1,5-c][1,3]oxazin-2-yl)phenol (CAS 899984-78-2)
- 3-(Thiophen-2-yl)-1-(thiophene-2-carbonyl)-1H,4H-indeno[1,2-c]pyrazole (CAS 1024154-08-2)
- 4-(4-(Thiophen-2-yl)pyrimidin-2-yl)phenyl furan-2-carboxylate (CAS 477857-30-0)
- Ethyl 2-((4-(thiophen-2-yl)-6-(trifluoromethyl)pyrimidin-2-yl)thio)acetate (CAS 505054-22-8)
- N-(4-(Thiophen-2-yl)-2-(2-(thiophen-2-ylmethylene)hydrazineyl)thiazol-5-yl)acetamide (CAS 608494-69-5)
- N1-((1-(Thiophen-2-yl)cyclopentyl)methyl)-N2-(thiophen-2-ylmethyl)oxalamide (CAS 1060193-18-1)
Recommended Standards
- 4-[(1E)-3-(4-Methylphenyl)-3-oxoprop-1-en-1-yl]phenyl thiophene-2-carboxylate (CAS 331460-51-6)
- 5-Fluoro-3,3,4,4-tetramethyl-3,4-dihydro-2H-[1,3'-biquinolin]-2-one (CAS 918645-94-0)
- 3-(Trimethylsilyl)naphthalen-2-yl trifluoromethanesulfonate (CAS 780820-43-1)
- 5-Fluoro-3-methyl-3-propyl-3,4-dihydro-2H-[1,3'-biquinolin]-2-one (CAS 918645-86-0)
- 3-Cyclopropyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine (CAS 2096333-32-1)
- 3-[(cyanomethyl)sulfamoyl]-4-methylbenzoic acid (CAS 1051333-34-6)
- 5-Chloro-4-iodopyridin-3-amine (CAS 1807099-93-9)
- 1-(Benzyloxy)-4-bromo-2-fluoro-5-methylbenzene (CAS 2234291-65-5)
- Morphine (CAS 57-27-2)
- Lithium tartrate monohydrate (CAS 6108-32-3)
- N-(1-Iminoisoindolin-2-yl)benzamide (CAS 327105-06-6)
- 2-((Methylamino)methyl)quinazolin-4-amine (CAS 1049606-68-9)
- 2,3-dimorpholinoquinoxaline (CAS 6307-64-8)
- Semaglutide impurity 89 (CAS CATO-C4X-222689)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com