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4-Acetamido-4'-isothiocyanatostilbene-2,2'-disulfonic Acid, Sodium Salt

Product Name 4-Acetamido-4'-isothiocyanatostilbene-2,2'-disulfonic Acid, Sodium Salt
Product Code A0000553
Chemical name 4-Acetamido-4'-isothiocyanatostilbene-2,2'-disulfonic Acid, Sodium Salt
Synonyms Disodium 4-Acetamido-4'-isothiocyanatostilbene-2,2'-disulfonate; SITS;
Impurity
CAS Number 51023-76-8
Alternate CAS # Free Acid: 27816-59-7
Molecular form C₁₇H₁₂N₂Na₂O₇S₃
Appearance Light Yellow to Brown Orange Solid
Melting Point >300°C (dec.)
Mol. Weight 498.52
Storage Hygroscopic, -20°C Freezer, Under inert atmosphere
Solubility Methanol (Slightly), Water (Slightly)
Stability Hygroscopic, Temperature Sensitive
Category Aromatics, Fluorescent Labels & Indicators, Sulfur & Selenium Compounds
Boiling Point
Applications A fluorescent label for the specific and reversible labelling of the outer components of the plasma membrane. The reagent reacts with a fixed number of sites on the surface of cells concerned with anion permeation; does not pass through the osmotic barrier of the membrane; reacts under physiological conditions of temperature, pH and tonicity; and is detectable in small amounts. SEE ALSO NOTES FOR DIDS (CAT#D460600). Fluorescence: max. Abs. l = 336nm, max. Em. l = 436 nm.
Dangerous Goods Info NA
References Maddy., A.H.: Biochim. Biophys. Acta., 88, 390 (1964), Cabantchik, Z.I., et al.: J. Membrane Biol., 10, 311 (1972); Am. J. Physiol. 262, C803 (1992); J. Biol. Chem. 266, 13355 (1991), Ma, W., et al.: J. Pharmacol. Exp. Ther., 328, 409 (2009),
Extra Notes
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4-Acetamido-4'-isothiocyanatostilbene-2,2'-disulfonic Acid, Sodium Salt
Product Packings
100mg
250mg
500mg
1g
2g
2.5g
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