(3E)-1-(4-Bromophenyl)-3-{[(2,4-dichlorophenyl)methoxy]imino}propan-1-one CAS 338976-49-1
| CAS No. | 338976-49-1 |
| Molecular Formula | C16H12BrCl2NO2 |
| Molecular Weight | 401.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of (3E)-1-(4-Bromophenyl)-3-{[(2,4-dichlorophenyl)methoxy]imino}propan-1-one is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine/bromine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
(3E)-1-(4-Bromophenyl)-3-{[(2,4-dichlorophenyl)methoxy]imino}propan-1-one (CAS 338976-49-1), molecular formula C16H12BrCl2NO2 and molecular weight 401.08 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (3E)-1-(4-Bromophenyl)-3-{[(2,4-dichlorophenyl)methoxy]imino}propan-1-one (C16H12BrCl2NO2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine/bromine substitution. 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 401.08 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), (3E)-1-(4-Bromophenyl)-3-{[(2,4-dichlorophenyl)methoxy]imino}propan-1-one 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 | C16H12BrCl2NO2 |
| Molecular Weight | 401.08 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, 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.) | 2025 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 1 |
Related E Standards
- (3E)-1-(4-Bromophenyl)-3-{[(2,6-dichlorophenyl)methoxy]imino}propan-1-one (CAS 338976-74-2)
- (E)-3-(4-bromophenyl)-3-oxopropanal O-(3,4-dichlorobenzyl) oxime (CAS 338976-80-0)
- 5-(2-Bromophenyl)-4-(3,4-dichlorophenyl)-4h-1,2,4-triazole-3-thiol (CAS 736162-74-6)
- N-(2-bromophenyl)-3,6-dichlorobenzo[b]thiophene-2-carboxamide (CAS 332157-29-6)
- 2-(2-Bromophenyl)-2'-iodoacetophenone (CAS 898783-82-9)
- 2-(2-Bromophenyl)-3'-iodoacetophenone (CAS 898783-84-1)
- 2-(2-Bromophenyl)-4'-iodoacetophenone (CAS 898783-86-3)
- 2-(3-Bromophenyl)-2'-iodoacetophenone (CAS 898783-88-5)
Recommended Standards
- 3-Bromo-4-((2,4-dichlorobenzyl)oxy)-5-ethoxybenzonitrile (CAS 1706449-13-9)
- 1-Bromo-2-(4-ethylbenzyl)-4-iodobenzene (CAS 1006383-23-8)
- N-Nitroso Ambroxol impurity 119 (CAS CATO-C4X-1085119)
- methyl 3-bromo-8-iodo-naphthalene-1-carboxylate (CAS 2387596-18-9)
- 6,7-Difluoronaphthalene-1-carboxylic acid, 97% (CAS 405196-36-3)
- Clotrimazole Impurity 9 (CAS 23593-68-2)
- 3-(1,3-Dioxolan-2-yl)thiophene-2-carboxylic acid (CAS 934570-44-2)
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- Ethyl 2-amino-5-chloropyrazolo[1,5-a]pyrimidine-3-carboxylate (CAS 1778094-42-0)
- 2,3-dihydro-[1,4]dioxino[2,3-b]pyridine-7-sulfonyl chloride (CAS 1823887-47-3)
- 6-Fluoro-3-methyl-1-benzothiophene-2-carboxylic acid (CAS 863119-55-5)
- 2-(3-Bromofuran-2-yl)ethan-1-ol (CAS 1343633-05-5)
- n-Cyclopropyl-N-methyl-6-azaspiro[2.5]octane-1-carboxamide (CAS 1340567-79-4)
- Gastric Inhibitory Polypeptide (3-42) (human) trifluoroacetate salt (CAS 1802086-25-4)
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