77172-72-6 3,4,5,6-Tetrabromophenolsulfonephthalein Phenol, 4,4'-(4,5,6,7-tetrabromo-3H-2,1-benzoxathiol-3-ylidene)bis-, S,S-dioxide 3456-Tbsp 4,4'-(4,5,6,7-Tetrabromo-3H-2,1-benzoxathiol-3-ylidene)bisphenol S,S-dioxide Tetrabromosulfonephthalein NSC 624919 CAS 77172-72-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 77172-72-6 |
| Molecular Formula | C19H28Br4O5S |
| Molecular Weight | 688.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 77172-72-6 3,4,5,6-Tetrabromophenolsulfonephthalein Phenol, 4,4'-(4,5,6,7-tetrabromo-3H-2,1-benzoxathiol-3-ylidene)bis-, S,S-dioxide 3456-Tbsp 4,4'-(4,5,6,7-Tetrabromo-3H-2,1-benzoxathiol-3-ylidene)bisphenol S,S-dioxide Tetrabromosulfonephthalein NSC 624919 (CAS 77172-72-6) pharmaceutical standards reference standard. Molecular formula: C19H28Br4O5S. Molecular weight: 688.10 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C19H28Br4O5S |
| Molecular Weight | 688.10 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1979 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
Recommended Standards
- 1,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,13-octacosafluorotridecane 1,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,13-octacosakis(fluoranyl)tridecane 376-03-4 A823794 (CAS 376-03-4)
- Dyclonine Impurity 38 (CAS CATO-C4X-188138)
- Iodixanol Impurity 21 (CAS CATO-C4X-166321)
- Ethyl (1R,5S)-8-oxobicyclo[3.2.1]Octane-3-carboxylate (CAS 19530-66-6)
- 2,4,6-Tris(heptafluoropropyl)-1,3,5-triazine (CAS 915-76-4)
- Fmoc-L-Val-CHN2 (CAS 193148-58-2)
- 4-{3-[(2,6-dichlorophenyl)methyl]-2-methyl-4-oxo-1,4-dihydropyridin-1-yl}butanoic acid (CAS 400736-52-9)
- Methyl 2',5'-dimethoxy-[1,1'-biphenyl]-2-carboxylate (CAS 717837-43-9)
- (5-Phenylpyrimidin-2-yl)methanol (CAS 126230-85-1)
- C-Peptide (Proinsulin) (CAS 59112-80-0)
Why CATO?
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