1,2-Bis(benzyloxy)-4-bromobenzene CAS 16047-57-7
| CAS No. | 16047-57-7 |
| Molecular Formula | C20H17BrO2 |
| Molecular Weight | 369.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 1,2-Bis(benzyloxy)-4-bromobenzene is closely related to a steroid core, a hydroxyl group, an ether linkage, bromine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
1,2-Bis(benzyloxy)-4-bromobenzene (CAS 16047-57-7), molecular formula C20H17BrO2 and molecular weight 369.25 g/mol, is a CATO reference standard with documented purity and traceability.
1,2-Bis(benzyloxy)-4-bromobenzene (C20H17BrO2) contains a steroid core, a hydroxyl group, an ether linkage, bromine substitution. Halogen substitution raises its density and boiling point, its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C20H17BrO2 |
| Molecular Weight | 369.25 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1961 |
| Halogen Content | Br-containing |
Related Bis Standards
- 2,4-Bis(benzyloxy)-1-bromobenzene (CAS 55583-11-4)
- 2-Benzyloxy-5-nitro-benzoic Acid-13C6 Benzyl Ester (CAS 1329840-65-4)
- 2-Benzyloxy-3-nitro-benzoic Acid-13C6 Benzyl Ester (CAS 1330265-54-7)
- Ethyl 2-(1-((benzyloxy)carbonyl)piperidin-4-yl)pyrimidine-5-carboxylate (CAS 1447607-85-3)
- 1-(3-(Benzyloxy)pyridin-2-yl)-3-(naphthalen-1-yl)urea (CAS 877459-11-5)
- 4-(4-(Benzyloxy)phenyl)-1,4-dihydrobenzo[4,5]imidazo[1,2-a][1,3,5]triazin-2-amine (CAS 452293-88-8)
- 1-(4-((Benzyloxy)methyl)piperidin-1-yl)-2-(2-methoxyphenoxy)ethan-1-one (CAS 1226429-97-5)
- 5-((4-(Benzyloxy)benzo[b]thiophen-7-yl)methyl)thiazolidine-2,4-dione (CAS 213455-11-9)
Recommended Standards
- Tert-butyl (1R,5R)-10-bromo-8-oxo-1,5,6,8-tetrahydro-2H-1,5-methanopyrido[1,2-a][1,5]diazocine-3(4H)-carboxylate (CAS 1541115-39-2)
- tert-Butyl 4-(2-bromo-6-formylphenyl)-piperazine-1-carboxylate (CAS 1779130-62-9)
- 2-Bromo-6-(4-BOC-piperazino)benzaldehyde (CAS 1381944-27-9)
- Bromoacetamido-C2-PEG2-NH-Boc (CAS 182244-33-3)
- 5505-16-8 3,5-Diamino-2,4,6-triiodobenzoate Benzoic acid, 3,5-diamino-2,4,6-triiodo- 3,5-Diamino-2,4,6-triiodobenzoic acid 4-14-00-01307 (Beilstein Handbook Reference) BRN 1466919 3,5-Diamino-triiodobenzoic acid EINECS 226-845-7 EC 226-845-7 (CAS 5505-16-8)
- 4-amino-3-methylphenyl thiocyanate (CAS 33192-10-8)
- 5-Bromo-2-morpholinonitrobenzene (CAS 90841-34-2)
- Methylcyclopentadienylmolybdenum(I) tricarbonyl, dimer (CAS 33056-03-0)
- 1-Butyl-4-methylpyridinium Tetrafluoroborate (CAS 343952-33-0)
- 4-(Benzylamino)quinazoline-6-carbaldehyde (CAS 648449-12-1)
- 9-Chloro-9-phenyl-9H-fluorene (CAS 25022-99-5)
- 5-Amino-1-tert-butyl-4-ethylpyrazole (CAS 947688-94-0)
- (E)-4-((1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)amino)-4-oxobut-2-enoic acid (CAS 649553-97-9)
- (Pro3)-Gastric Inhibitory Polypeptide (human) trifluoroacetate salt (CAS 299898-52-5)
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