3-Chloro-[1,1'-biphenyl]-4,4'-dicarbaldehyde CAS 2289758-97-8
| CAS No. | 2289758-97-8 |
| Molecular Formula | C14H9ClO2 |
| Molecular Weight | 244.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 244.67 g/mol gives 3-Chloro-[1,1'-biphenyl]-4,4'-dicarbaldehyde distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3-Chloro-[1,1'-biphenyl]-4,4'-dicarbaldehyde (CAS 2289758-97-8) is a high-purity analytical reference standard with the molecular formula C14H9ClO2 and a molecular weight of 244.67 g/mol.
Based on its molecular formula C14H9ClO2, 3-Chloro-[1,1'-biphenyl]-4,4'-dicarbaldehyde contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, a polycyclic aromatic system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 244.67 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
As a certified reference material (CRM), 3-Chloro-[1,1'-biphenyl]-4,4'-dicarbaldehyde 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 | C14H9ClO2 |
| Molecular Weight | 244.67 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1999 |
| Halogen Content | Cl-containing |
Related Chloro Standards
- Ethyl 5-chloro-2,4-dimethoxybenzoate (CAS 1022091-79-7)
- 4-Chloro-2H-benzo[h]chromene-3-carbaldehyde (CAS 109179-59-1)
- 5-[(2-chloro-6-fluorophenyl)methyl]-2,3-dihydro-1,3,4-oxadiazole-2-thione (CAS 1152542-00-1)
- Methyl 5-(4-chloro-1H-pyrazol-1-yl)-4-methyl-3-oxopentanoate (CAS 1229623-93-1)
- 4-Chloro-5-methoxy-2-(tetrahydro-2H-pyran-3-yl)pyridazin-3(2H)-one (CAS 1245646-05-2)
- methyl 2-chloro-2-(3,5-dimethoxyphenyl)acetate (CAS 1247455-96-4)
- 2-Chloro-1-(dibenzo[b,d]furan-2-yl)ethanone (CAS 13067-90-8)
- N-[2-(2-Chloro-6-nitrophenoxy)ethyl]-N,N-dimethylamine (CAS 1353505-03-9)
Recommended Standards
- 3-Benzoylbenzoyl chloride (CAS 77301-47-4)
- 3-Chloro-4,5-diethoxybenzoic acid (CAS 766523-19-7)
- 3-(2-Chloro-3,4-dimethoxyphenyl)propanoic acid (CAS 910300-36-6)
- 3-Chloro-4-fluorobenzo[b]thiophene-2-carbohydrazide (CAS 774586-50-4)
- (1R,4aS,7aS)-Methyl 7-(hydroxymethyl)-1-methoxy-1,4a,5,7a-tetrahydrocyclopenta[c]pyran-4-carboxylate (CAS 69977-52-2)
- 898765-21-4 4-(2-Bromophenyl)-4-oxobutanoic acid DTXSID00645278 (CAS 898765-21-4)
- 4-Bromo-N-(5-chloro-2-pyridyl)benzamide (CAS 300670-29-5)
- 4-Bromo-2-(5-(pyridin-3-yl)-4,5-dihydro-1H-pyrazol-3-yl)phenol (CAS 370074-36-5)
- Palbociclib Impurity 158 (CAS 2639903-34-5)
- 4-(2-Aminophenyl)-2-methylbut-3-yn-2-ol (CAS 157869-14-2)
- Methyl [(4-amino-2-nitrophenyl)thio]acetate (CAS 1427460-64-7)
- 5'-O-DMT-N4-Bz-5-Me-dC (CAS 104579-03-5)
- 2,2-dimethylcyclohexane-1,3-dione (CAS 562-13-0)
- Des-His(1)-Semaglutide (CAS CATO-C4X-2226216)
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