(E)-2-Bromo-3-phenylacrylaldehyde CAS 99686-39-2
| CAS No. | 99686-39-2 |
| Molecular Formula | C9H7BrO |
| Molecular Weight | 211.06 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 (E)-2-Bromo-3-phenylacrylaldehyde.
(E)-2-Bromo-3-phenylacrylaldehyde (CAS 99686-39-2), molecular formula C9H7BrO and molecular weight 211.06 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (E)-2-Bromo-3-phenylacrylaldehyde (C9H7BrO) contains a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 211.06 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.
CATO manufactures (E)-2-Bromo-3-phenylacrylaldehyde 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 | C9H7BrO |
| Molecular Weight | 211.06 g/mol |
| Appearance | Off-white to pale 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | Br-containing |
Related E Standards
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Recommended Standards
- (1R,3S)-3-[(Z)-2-Chloro-2-fluorovinyl]-2,2-dimethylcyclopropanecarbonyl chloride (CAS 77789-75-4)
- (E)-3-(3-Bromophenyl)acrylaldehyde (CAS 97985-66-5)
- (1R,3S)-3-[(E)-2-Chloro-2-fluorovinyl]-2,2-dimethylcyclopropanecarbonyl chloride (CAS 77789-74-3)
- (Z)-2-Bromo-3-phenylacrylaldehyde (CAS 33603-90-6)
- tert-Butyl (R)-2-(2,5-difluorobenzyl)piperazine-1-carboxylate (CAS 1240587-89-6)
- Pyridinium, 3,3′,3′′,3′′′-(21H,23H-porphine-5,10,15,20-tetrayl)tetrakis[1-ethyl-, tetrachloride (CAS 211360-11-1)
- 1-Allyl-2-oxo-N-(3,4,5-trimethoxyphenyl)-1,2-dihydropyridine-3-carboxamide (CAS 320419-86-1)
- 2-(4-tert-Butylphenoxy)-3-methanesulfonyl-4-methyl-6-phenylpyridine (CAS 478245-55-5)
- Methyl 3-ethoxy-4-((3-fluorobenzyl)oxy)-5-iodobenzoate (CAS 1706453-83-9)
- Cabozantinib Impurity 28 (CAS 326-04-5)
- (S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-2-(5-bromothiophen-2-yl)propanoic acid (CAS 220497-83-6)
- 3-Chloro-8H-quinolino[4,3,2-kl]acridine (CAS 198025-90-0)
- 4-Formylphenyl octanoate (CAS 50433-83-5)
- Semaglutide Impurity 11 (CAS CATO-C4X-222611)
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