803219

Sulfo-EGS (ethylene glycol bis(sulfosuccinimidyl succinate))

• Sinónimos: Ethylene glycolbis(sulfosuccinimidylsuccinate), bis(sulfosuccinimidyl) 4,4′-[(ethylene)dioxy]bis(4-oxobutanoate)
• Fórmula empírica (notación de Hill): C₁₈H₁₈O₁₈N₂Na₂S₂
• Número de CAS: 167410-92-6
• Peso molecular: 660.45
• Número MDL: MFCD00054988
• Código UNSPSC: 12352200
• ID de la sustancia en PubChem: 329768789
• NACRES: NA.22

Propiedades

• Formulario: powder
• Nivel de calidad: 100
• mol peso: 660.45
• idoneidad de la reacción: reagent type: cross-linking reagent
• condiciones de almacenamiento: desiccated
• solubilidad: water: soluble
• Condiciones de envío: ambient
• temp. de almacenamiento: −20°C
• cadena SMILES: [Na+].[Na+].[S](=O)(=O)([O-])C1CC(=O)N(C1=O)OC(=O)CCC(=O)OCCOC(=O)CCC(=O)ON2C(=O)C(CC2=O)[S](=O)(=O)[O-]
• InChI: 1S/C18H20N2O18S2.2Na/c21-11-7-9(39(29,30)31)17(27)19(11)37-15(25)3-1-13(23)35-5-6-36-14(24)2-4-16(26)38-20-12(22)8-10(18(20)28)40(32,33)34;;/h9-10H,1-8H2,(H,29,30,31)(H,32,33,34);;/q;2*+1/p-2
• Clave InChI: IYBKWXQWKPSYDT-UHFFFAOYSA-L

Descripción

Descripción general

EGS is a water-insoluble, homobifunctional N-hydroxysuccinimide ester (NHS ester) and Sulfo-EGS is its water-soluble analog. The spacer arm contains two cleavable ester sites that may be broken with hydroxylamine, which yields two fragments with terminal amide bonds and the release of ethylene glycol. These reagents are often used for conjugating radiolabeled ligands to cell surface receptors. The water insoluble reagent EGS does not possess a charged group, is lipophilic and, therefore, membrane-permeable and useful for intracellular and intramembrane protein conjugation. EGS is first dissolved in DMSO or DMF and added to the aqueous reaction mixture at a final solvent concentration of 10-20%, to minimize detrimental affects to the protein.

Características y beneficios

• Reactive groups: sulfo-NHS ester (both ends)
• Reactive towards: amino groups (primary amines)
• Water-soluble; compare to EGS
• Membrane-impermeable, allowing for cell surface labeling
• Crosslinks formed are reversible at pH 8.5 using hydroxylamine for 3 to 6 hours at 37°C
• Lactose dehydrogenase retained 60% of its activity after reversible crosslinking with EGS

Precaución

This product is sensitive to moisture. The vial is packaged in a resealable bag with a desiccant to reduce exposure to moisture. After cold storage, equilibrate the vial to room temperature before opening to reduce condensation inside the vial. Make fresh solutions. Storage of stock solutions is not recommended. After use, return the vial to the resealable bag. Close the bag and store the product at the recommended temperature.

Información de seguridad

• Pictogramas: GHS07
• Palabra de señalización: Warning
• Frases de peligro: H315,H319,H335
• Consejos de prudencia: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Clasificaciones de peligro: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• Órganos de actuación: Respiratory system
• Código de clase de almacenamiento: 11 - Combustible Solids
• Clase de riesgo para el agua (WGK): WGK 3
• Punto de inflamabilidad (°F): Not applicable
• Punto de inflamabilidad (°C): Not applicable