Merck CPRG

CPRG

Chlorophenol red-β-D-galactopyranoside

CPRG, Chlorophenol Red-β-D-galactopyranoside, Chlorophenol Red-β-D-galactoside, chlorophenol red-β-d-galactopyranoside

Quality Level

100

assay

96% (HPLC)

form

powder

포장

pkg of 250 mg

manufacturer/tradename

Roche

저장 조건

protect from light

pH range

6-8

배송 상태

dry ice

저장 온도

−20°C (−15°C to −25°C)

SMILES string

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

InChI key

YOUWVNCQJOMMEU-AETRGLENSA-N

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.