10884308001

CPRG

Chlorophenol red-β-D-galactopyranoside

• Synonyme(s) : Chlorophenol Red-β-D-galactopyranoside, chlorophenol red-β-d-galactopyranoside, CPRG, Chlorophenol Red-β-D-galactoside
• Formule empirique (notation de Hill): C₂₅H₂₂Cl₂O₁₀S
• Numéro CAS: 99792-79-7
• Poids moléculaire : 585.41
• Numéro MDL: MFCD05863726
• Code UNSPSC : 12352204
• ID de substance PubChem : 329749219

Propriétés

• Niveau de qualité: 100
• Pureté: 96% (HPLC)
• Forme: powder
• Conditionnement: pkg of 250 mg
• Fabricant/nom de marque: Roche
• Conditions de stockage: protect from light
• Plage de pH: 6-8
• Conditions d'expédition: dry ice
• Température de stockage: −20°C (−15°C to −25°C)
• Chaîne SMILES: OC[C@H]1O[C@@H](Oc2ccc(cc2Cl)C(=C3/C=CC(=O)C(Cl)=C3)\c4ccccc4S(O)(=O)=O)[C@H](O)[C@@H](O)[C@H]1O
• InChI: 1S/C25H22Cl2O10S/c26-15-9-12(5-7-17(15)29)21(14-3-1-2-4-20(14)38(33,34)35)13-6-8-18(16(27)10-13)36-25-24(32)23(31)22(30)19(11-28)37-25/h1-10,19,22-25,28,30-32H,11H2,(H,33,34,35)/b21-12-/t19-,22+,23+,24-,25-/m1/s1
• Clé InChI: YOUWVNCQJOMMEU-AETRGLENSA-N

Description

Description générale

Chlorophenol red-β-D-galactopyranoside (CPRG) is a long-wavelength dye which is commonly used for colorimetric assays. The reaction product has a dark red color and is soluble in water. It can be evaluated photometrically at 574 or 578 nm.
The chemical formula on the label represents the monosodium salt.

Application

CPRG has been used as a substrate for β-galactosidase assay.

Colorimetric determination of β-Gal activity in cell extracts and ELISA.

Actions biochimiques/physiologiques

Chlorophenol red-β-D-galactopyranoside (CPRG) might possess oestrogenic activity.

Qualité

Contaminant: <0.1% chlorophenol red

Séquence

CPRG is an approximately 1:1 mixture of the isomers.

Notes préparatoires

Working concentration: 5 mmol/l
Storage conditions (working solution): Reconstituted solution is stable for one day at 2 to 8 °C

Stockage et stabilité

Store powder dry at -15 to -25 °C; stock solutions at 2–8 °C protected from light.

Autres remarques

For life science research only. Not for use in diagnostic procedures.

Informations sur la sécurité

• Code de la classe de stockage: 11 - Combustible Solids
• Classe de danger pour l'eau (WGK): WGK 1
• Point d'éclair (°F): No data available
• Point d'éclair (°C): No data available