4,4'-Oxybis(iodobenzene) CAS 28896-49-3
| CAS No. | 28896-49-3 |
| Molecular Formula | C12H8I2O |
| Molecular Weight | 422.00 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
CATO supplies 4,4'-Oxybis(iodobenzene) (CAS 28896-49-3), a certified reference material (molecular formula C12H8I2O, MW 422.00 g/mol) for analytical method development and quality control.
Based on its molecular formula C12H8I2O, 4,4'-Oxybis(iodobenzene) contains a hydroxyl group, an ether linkage, iodine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 422.00 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
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.
Physical & Chemical Properties
| Molecular Formula | C12H8I2O |
| Molecular Weight | 422.00 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 |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1965 |
| Halogen Content | I-containing |
Related Oxybis Standards
- 4,4'-Oxybis(N,N-bis(oxiran-2-ylmethyl)aniline) (CAS 105359-67-9)
- ((Oxybis(ethane-2,1-diyl))bis(oxy))bis(ethane-2,1-diyl) diheptanoate (CAS 70729-68-9)
- 6,6-Oxybis(3-bromobenzoic acid) (CAS 1311197-85-9)
- 2,2'-OXybis(perfluoroethane)sulfonyl chloride (CAS 86553-57-3)
- 2,2'-Oxybis(4-isopropyl-5,5-dimethyl-1,3,2-dioxaphosphinane 2-sulfide) (CAS 58948-25-7)
- 1,1'-(Oxybis(4,1-phenylene))bis(2-bromoethan-1-one) (CAS 4073-80-7)
- 2,2'-(Oxybis(4,1-phenylene))bis(1-phenylethane-1,2-dione) (CAS 21454-19-3)
- 2,2'-(((Oxybis(4,1-phenylene))bis(azanylylidene))bis(methanylylidene))diphenol (CAS 7107-96-2)
Recommended Standards
- 2-((5-(Benzylthio)-1,3,4-thiadiazol-2-yl)thio)-N-(4-chloro-2-methylphenyl)acetamide (CAS 618432-04-5)
- 5,6-Dibromo-3-((4-fluoro-3-nitrophenyl)amino)-1-methylpyrazin-2(1H)-one (CAS CATO-CIM-105246)
- 2-((5-(Benzylthio)-1,3,4-thiadiazol-2-yl)thio)-N-(3-chloro-4-methylphenyl)acetamide (CAS 573943-43-8)
- 1-((Diiodomethyl)sulfonyl)-4-methylbenzene (CAS 20018-09-1)
- (E)-1-Phenyl-1-butene (CAS 1005-64-7)
- 4-Amino-2-chloro-5-hydroxypyrimidine (CAS 943995-31-1)
- (4-Fluoro-3-(isopentyloxy)phenyl)(methyl)sulfane (CAS 1443349-84-5)
- 1-(6-(Ethyl(methyl)amino)pyridin-3-yl)ethan-1-ol (CAS 1355223-68-5)
- Tedizolid Impurity 42 (CAS 1654754-44-5（free base）)
- 1-Amino-1,3,4,5-tetrahydro-2H-benzo[d]azepin-2-one (CAS 253185-43-2)
- Butyl 2-hydroxy-5-iodobenzoate (CAS 15125-89-0)
- 4-Bromo-1-fluoro-2-(phenylaminomethyl)benzene (CAS 1021076-47-0)
- 8-Ethynyl-1,4-dioxaspiro[4.5]decane (CAS 96184-86-0)
- D-Ser12-Semaglutide (CAS CATO-C4X-2226240)
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