4,4'-(2,2-Diphenylethene-1,1-diyl)bis((bromomethyl)benzene) CAS 1623085-88-0
| CAS No. | 1623085-88-0 |
| Molecular Formula | C28H22Br2 |
| Molecular Weight | 518.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 4,4'-(2,2-Diphenylethene-1,1-diyl)bis((bromomethyl)benzene).
4,4'-(2,2-Diphenylethene-1,1-diyl)bis((bromomethyl)benzene) (CAS 1623085-88-0), molecular formula C28H22Br2 and molecular weight 518.28 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C28H22Br2, 4,4'-(2,2-Diphenylethene-1,1-diyl)bis((bromomethyl)benzene) contains bromine substitution, a polycyclic aromatic system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 518.28 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 4,4'-(2,2-Diphenylethene-1,1-diyl)bis((bromomethyl)benzene) 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 | C28H22Br2 |
| Molecular Weight | 518.28 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
| Halogen Content | Br-containing |
Related Diphenylethene Standards
- 4',4'''-(2,2-diphenylethene-1,1-diyl)bis([1,1'-biphenyl]-4-amine) (CAS 1329620-17-8)
- 4',4'''-(1,2-Diphenylethene-1,2-diyl)bis([1,1'-biphenyl]-4-carbaldehyde) (CAS 1808111-59-2)
- 4',4'''-(2,2-Diphenylethene-1,1-diyl)bis([1,1'-biphenyl]-4-carbaldehyde) (CAS 2131097-89-5)
- 4,4'-(2,2-Diphenylethene-1,1-diyl)bis(bromobenzene) (CAS 859315-37-0)
- 4,4'-((2,2-Diphenylethene-1,1-diyl)bis(4,1-phenylene))dipyridine (CAS 1839090-56-0)
- 3,3'-((2,2-Diphenylethene-1,1-diyl)bis(4,1-phenylene))dipyridine (CAS 2160539-20-6)
- 4',4'''-(2,2-Diphenylethene-1,1-diyl)bis([1,1'-biphenyl]-4-carboxylic acid) (CAS 2590863-00-4)
- 2,2'-((2,2-Diphenylethene-1,1-diyl)bis(4,1-phenylene))bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane) (CAS 1447669-03-5)
Recommended Standards
- 1,1′-[(1E)-1,2-Diphenyl-1,2-ethenediyl]bis[4-(bromomethyl)benzene] (CAS 1345823-47-3)
- (S)-1-(p-Bromoacetamidobenzyl)ethylenediaminetetraacetic Acid (CAS 81677-64-7)
- 1,2-Bis(4-(bromomethyl)phenyl)-1,2-diphenylethene (CAS 1053241-67-0)
- rac (Bromoacetamidomethyl)ethylenediaminetetraacetic Acid (CAS 84256-91-7)
- 2-Chloro-5-methylthieno[2,3-d]pyrimidin-4(1H)-one (CAS 56844-37-2)
- n-(3-Acetamidophenyl)butyramide (CAS 885906-82-1)
- 2,3,4,4',5,6-Hexafluorochalcone (CAS 541539-80-4)
- 2,5-Dimethoxy Pyridine (CAS 867267-24-1)
- Piperazin-1-yl(thiophen-3-yl)methanone (CAS 59939-74-1)
- tert-Butyl 2'-(methylthio)-4'-oxo-3',4',5',8'-tetrahydro-7'H-spiro[cyclopropane-1,6'-pyrido[3,4-d]pyrimidine]-7'-carboxylate (CAS 2608907-05-5)
- (6-(Isobutylthio)pyridin-3-yl)boronic acid (CAS 1218790-69-2)
- Rimegepant Impurity 93 (CAS CATO-C4X-248793)
- Ethyl 2,3-difluoroisonicotinate (CAS 1359828-98-0)
- Semaglutide impurity 271 (CAS CATO-C4X-2226271)
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