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About This Item
Empirical Formula (Hill Notation):
C25H22Cl2O10S
CAS Number:
Molecular Weight:
585.41
UNSPSC Code:
12352204
PubChem Substance ID:
MDL number:
NACRES:
NA.54
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
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 key
YOUWVNCQJOMMEU-AETRGLENSA-N
assay
96% (HPLC)
form
powder
packaging
pkg of 250 mg
manufacturer/tradename
Roche
storage condition
protect from light
pH range
6-8
shipped in
dry ice
storage temp.
−20°C (−15°C to −25°C)
Related Categories
General description
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.
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.
Biochem/physiol Actions
Chlorophenol red-β-D-galactopyranoside (CPRG) might possess oestrogenic activity.
Preparation Note
Working concentration: 5 mmol/l
Storage conditions (working solution): Reconstituted solution is stable for one day at 2 to 8 °C
Storage conditions (working solution): Reconstituted solution is stable for one day at 2 to 8 °C
Store powder dry at -15 to -25 °C; stock solutions at 2–8 °C protected from light.
Analysis Note
Contaminant: <0.1% chlorophenol red
Other Notes
CPRG is an approximately 1:1 mixture of the isomers.
For life science research only. Not for use in diagnostic procedures.
Storage Class
11 - Combustible Solids
wgk
WGK 1
flash_point_f
No data available
flash_point_c
No data available
Regulatory Information
涉药品监管产品
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