5,5′-Dibromo-2,2′-diiodo-1,1′-biphenyl CAS 873792-52-0
| CAS No. | 873792-52-0 |
| Molecular Formula | C12H6Br2I2 |
| Molecular Weight | 563.79 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 5,5′-Dibromo-2,2′-diiodo-1,1′-biphenyl (C12H6Br2I2) contains bromine/iodine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 563.79 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
5,5′-Dibromo-2,2′-diiodo-1,1′-biphenyl (CAS 873792-52-0) is a high-purity analytical reference standard with the molecular formula C12H6Br2I2 and a molecular weight of 563.79 g/mol.
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.
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 | C12H6Br2I2 |
| Molecular Weight | 563.79 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Br/I-containing |
Related Dibromo Standards
- 2,2′-Dibromo-5,5′-diiodo-1,1′-biphenyl (CAS 852139-02-7)
- 4,4’-Dibromo-2,2’-diiodobiphenyl (CAS 852138-89-7)
- 2,7-dibromo-9-(heptadecan-9-yl)-9H-carbazole (CAS 955964-73-5)
- 5,8-Dibromo-6,7-difluoro-2-((2-hexyldecyl)oxy)quinoxaline (CAS 2269476-12-0)
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- 5,9-Dibromo-7,7-diphenyl-7H-fluoreno[4,3-b]benzofuran (CAS 1872364-25-4)
- 3',6-Dibromo-9-phenyl-9H-4,9'-bicarbazole (CAS 1613043-67-6)
- 3,5-Dibromo-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-D-tyrosine (CAS 204693-22-1)
Recommended Standards
- 213843-90-4 (3aR,8aR)-N,N,2,2-Tetramethyl-4,4,8,8-tetraphenyltetrahydro-2H,6H-[1,3]dioxolo[4,5-e][1,3,2]dioxaphosphepin-6-amine DTXSID40456805 (CAS 213843-90-4)
- 2-Bromo-1-(2-bromo-4-iodophenyl)-4-iodobenzene (CAS 852138-93-3)
- Bempedoic Acid Impurity 16 (CAS 738606-44-5)
- ((2S,4R)-4-((tert-Butyldiphenylsilyl)oxy)pyrrolidin-2-yl)bis(3,5-dimethylphenyl)methanol (CAS 1859968-66-3)
- 2-((2-Iodobenzyl)amino)acetic acid (CAS 1353977-48-6)
- 6-((2-Aminoethyl)amino)-5-chloropyrimidine-2,4(1H,3H)-dione (CAS 399549-96-3)
- (S)-1-(2-(((2-Aminoethyl)(isopropyl)amino)methyl)pyrrolidin-1-yl)ethanone (CAS 1354016-08-2)
- 2-Methylnaphthalene (CAS 91-57-6)
- 2-Fluoro-4-(methylthio)-3-pyridinemethanol (CAS 1809161-48-5)
- Methyl 5-(3-chlorophenyl)-4-(hydroxymethyl)-2-methylpyrrolidine-2-carboxylate (CAS 1217639-36-5)
- 2-(Azetidin-3-ylsulfanyl)-1,3-benzothiazole hydrochloride (CAS 931414-67-4)
- (S)-3-((tert-Butoxycarbonyl)amino)-2-cyclopentylpropanoic acid (CAS 1260617-87-5)
- (4-Chloro-2-fluoropyridin-3-yl)boronic acid (CAS 2096339-11-4)
- Des-[Gly]31-Semaglutide(x TFA Salt) (CAS 873874-39-6(free base))
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