Chlorophenol Red beta-D-Galactopyranoside

Chlorophenol red beta-D-galactopyranoside (CPRG) is a colorimetric substrate for beta-galactosidase. Upon enzymatic cleavage by beta-galactosidase, chlorophenol red is released, which can be quantified by colorimetric detection at 570 nm as a measure of beta-galactosidase activity.Formal Name: 2-chloro-4-[3-(3-chloro-4-hydroxyphenyl)-1,1-dioxido-3H-2,1-benzoxathiol-3-yl]phenyl beta-D-galactopyranoside. CAS Number: 99792-79-7. Synonyms: CPRG. Molecular Formula: C25H22Cl2O10S. Formula Weight: 585.4. Purity: >98%. Formulation: (Request formulation change), A crystalline solid. Solubility: DMF: 30 mg/ml, DMSO: 30 mg/ml, PBS (pH 7.2): 10 mg/ml. lambdamax: 270, 415 nm. SMILES: OC[C@@H]1[C@H](O)[C@H](O)[C@@H](O)[C@H](OC2=C(Cl)C=C(C(O3)(C4=CC(Cl)=C(O)C=C4)C5=C(C=CC=C5)S3(=O)=O)C=C2)O1. InChi Code: InChI=1S/C25H22Cl2O10S/c26-15-9-12(5-7-17(15)29)25(14-3-1-2-4-20(14)38(33,34)37-25)13-6-8-18(16(27)10-13)35-24-23(32)22(31)21(30)19(11-28)36-24/h1-10,19,21-24,28-32H,11H2/t19-,21+,22+,23-,24-,25?/m1/s1. InChi Key: UYYRDZGZGNYVBA-VPXCCNNISA-N.