(E)-3-(2-hydroxyphenyl)-1-(p-tolyl)prop-2-en-1-one CAS 7645-95-6
| CAS No. | 7645-95-6 |
| Molecular Formula | C16H14O2 |
| Molecular Weight | 238.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
(E)-3-(2-hydroxyphenyl)-1-(p-tolyl)prop-2-en-1-one (CAS 7645-95-6) is a high-purity analytical reference standard with the molecular formula C16H14O2 and a molecular weight of 238.28 g/mol.
Structurally, (E)-3-(2-hydroxyphenyl)-1-(p-tolyl)prop-2-en-1-one (C16H14O2) contains a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 238.28 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Physical & Chemical Properties
| Molecular Formula | C16H14O2 |
| Molecular Weight | 238.28 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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.) | 1959 |
Related E Standards
- 1-(4-Hydroxyphenyl)-3-(p-tolyl)prop-2-en-1-one (CAS 88521-99-7)
- 5-{[(2-hydroxyphenyl)methyl]amino}-2-methylbenzonitrile (CAS 297149-83-8)
- 2-(2-Hydroxyphenyl)quinazolin-4-ol (CAS 1026-04-6)
- 2-(4-Hydroxyphenyl)-1H-indene-1,3(2H)-dione (CAS 1217-32-9)
- 4-(4-Hydroxyphenyl)phthalazin-1-ol (CAS 152594-70-2)
- (E)-3-((4-hydroxyphenyl)imino)indolin-2-one (CAS 42407-83-0)
- 2-(2-Hydroxyphenyl)-4H-chromen-4-one (CAS 35244-11-2)
- 2-(3-Hydroxyphenyl)quinazolin-4(3H)-one (CAS 911417-23-7)
Recommended Standards
- (7S)-7-Amino-5,7-dihydro-5-methyl-6H-dibenz[b,d]azepin-6-one (CAS 365242-16-6)
- (E)-4-(2-Phenoxyphenyl)but-3-en-2-one (CAS 652994-30-4)
- (7-Methyl-2-phenylimidazo[1,2-a]pyridin-3-yl)methanol (CAS 217435-73-9)
- (E)-4,4-Diphenylbut-2-enoic acid (CAS 879089-49-3)
- (R)-Cyano(phenyl)methyl acetate (CAS 119718-89-7)
- Methyl 4-chloro-3-(pyrrolidin-1-yl)benzoate (CAS 151296-58-1)
- Trifluoro-methanesulfonic acid ethyldimethylsilyl ester (CAS 1680176-27-5)
- 2-Fluoro-4-(furan-2-yl)aniline (CAS 893736-98-6)
- 2-(((2,4,6-Trioxo-3,5-diazaperhydroinylidene)methyl)amino)benzoic acid (CAS 382173-94-6)
- Dexmedetomidine Impurity 65 (CAS CATO-C4X-123065)
- 3-(Azetidin-3-yl)-4-chloropyridine (CAS 1260820-64-1)
- 4'-Fluoro-3'-methyl-[1,1'-biphenyl]-4-ol (CAS 64465-60-7)
- Ammonium Formate-d5 (CAS 65387-23-7)
- Semaglutide impurity 277 (CAS CATO-C4X-2226277)
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