51023-76-8 Disodium 5-acetamido-2-(2-(4-isothiocyanato-2-sulphonatophenyl)vinyl)benzenesulphonate Benzenesulfonic acid, 5-(acetylamino)-2-(2-(4-isothiocyanato-2-sulfophenyl)ethenyl)-, sodium salt (1:2) Benzenesulfonic acid, 5-(acetylamino)-2-(2-(4-isothiocyanato-2-sulfophenyl)ethenyl)-, disodium salt 4-Acetamido-4'-isothiocyanostilbene-2,2'-disulfonic acid, disodium salt EINECS 256-919-4 SITS CAS 51023-76-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 51023-76-8 |
| Molecular Formula | C17H24N2O7S3 2*Na |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
51023-76-8 Disodium 5-acetamido-2-(2-(4-isothiocyanato-2-sulphonatophenyl)vinyl)benzenesulphonate Benzenesulfonic acid, 5-(acetylamino)-2-(2-(4-isothiocyanato-2-sulfophenyl)ethenyl)-, sodium salt (1:2) Benzenesulfonic acid, 5-(acetylamino)-2-(2-(4-isothiocyanato-2-sulfophenyl)ethenyl)-, disodium salt 4-Acetamido-4'-isothiocyanostilbene-2,2'-disulfonic acid, disodium salt EINECS 256-919-4 SITS (CAS 51023-76-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C17H24N2O7S3 2*Na. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C17H24N2O7S3 2*Na |
| Molecular Weight | 487.56 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1971 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 3 |
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