(E)-2-(dibenzo[b,e]oxepin-11(6H)-ylidene)acetaldehyde CAS 83473-99-8
| CAS No. | 83473-99-8 |
| Molecular Formula | C16H12O2 |
| Molecular Weight | 236.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(E)-2-(dibenzo[b,e]oxepin-11(6H)-ylidene)acetaldehyde (CAS 83473-99-8) is a high-purity analytical reference standard with the molecular formula C16H12O2 and a molecular weight of 236.27 g/mol.
Based on its molecular formula C16H12O2, (E)-2-(dibenzo[b,e]oxepin-11(6H)-ylidene)acetaldehyde contains a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 236.27 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
CATO manufactures (E)-2-(dibenzo[b,e]oxepin-11(6H)-ylidene)acetaldehyde under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C16H12O2 |
| Molecular Weight | 236.27 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1980 |
Related E Standards
- (Z)-2-(dibenzo[b,e]oxepin-11(6H)-ylidene)acetaldehyde (CAS 83473-98-7)
- Dibenzo[b,f][1,5]diazocine-6,12(5H,11H)-dione (CAS 15351-42-5)
- Dibenzo[b,f]oxepine-10-carboxylic acid (CAS 53921-70-3)
- Dibenzo[c,e][1,2]oxathiine 6,6-dioxide (CAS 4371-25-9)
- Dibenzo[b,d]furan-2,3,7,8-tetraol (CAS 7461-62-3)
- N-(Dibenzo[b,d]furan-3-yl)ethanethioamide (CAS 28989-22-2)
- N-(Dibenzo[b,d]thiophen-2-yl)acetamide (CAS 54818-88-1)
- Dibenzo[b,d]selenophene (CAS 244-95-1)
Recommended Standards
- (7-Methylimidazo[1,2-a]pyridin-3-yl)(phenyl)methanone (CAS 220405-77-6)
- (E)-3-Benzylidenechroman-4-one (CAS 30779-90-9)
- (5-Nitro-2-(piperidin-1-yl)phenyl)methanol (CAS 203509-89-1)
- (E)-4,4’-(Ethene-1,2-diyl)dibenzaldehyde (CAS 84907-53-9)
- 5-Cyclohexyl-2-hydroxybenzoic acid (CAS 1855-23-8)
- (2R,3AR)-hexahydro-2H-isoxazolo[2,3-a]pyridine-2-carbaldehyde (CAS 116721-83-6)
- 2-Isopropyl-4-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiazole (CAS 1218789-55-9)
- 2-(3-Buten-1-yl)-1,3-propanediol (CAS 16652-26-9)
- N1-[3-(Dimethylamino)propyl]benzene-1,2-diamine (CAS 21627-59-8)
- 3,3-Dimethoxy-2,2-dimethylpropanal (CAS 18208-39-4)
- 2-((2-Chloro-5-(trifluoromethyl)phenyl)amino)-2-oxoethyl 2-(methylthio)nicotinate (CAS 479378-61-5)
- 2-(3-Amino-4-iodo-5-methyl-1H-pyrazol-1-yl)-N,N-dimethylacetamide (CAS 1354704-39-4)
- 6-Bromo-4-chloro-1H-pyrrolo[2,3-b]pyridine (CAS 1000340-64-6)
- Semaglutide impurity 200 (CAS CATO-C4X-2226200)
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