F2756
Fluorescein di(β-D-galactopyranoside)
Synonyme(s) :
FDG
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A propos de cet article
Formule empirique (notation de Hill) :
C32H32O15
Numéro CAS:
Poids moléculaire :
656.59
NACRES:
NC.07
PubChem Substance ID:
UNSPSC Code:
12352201
MDL number:
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≥98% (HPLC)
Quality Level
form
powder
solubility
methanol: 20 mg/mL, clear, yellow
storage temp.
−20°C
SMILES string
OC[C@H]1O[C@@H](Oc2ccc3c(Oc4cc(O[C@@H]5O[C@H](CO)[C@H](O)[C@H](O)[C@H]5O)ccc4C36OC(=O)c7ccccc67)c2)[C@H](O)[C@@H](O)[C@H]1O
InChI
1S/C32H32O15/c33-11-21-23(35)25(37)27(39)30(45-21)42-13-5-7-17-19(9-13)44-20-10-14(43-31-28(40)26(38)24(36)22(12-34)46-31)6-8-18(20)32(17)16-4-2-1-3-15(16)29(41)47-32/h1-10,21-28,30-31,33-40H,11-12H2/t21-,22-,23+,24+,25+,26+,27-,28-,30-,31-/m1/s1
InChI key
ZTOBILYWTYHOJB-WBCGDKOGSA-N
General description
Fluorogenic substrate for β-galactosidase
Application
Fluorescein di(β-D-galactopyranoside) (FDG) has been used for the detection of gene expression via FACS (fluorescence-activated cell sorting).
Fluorescein di(β-D-galactopyranoside) has been used as a substrate in β-galactosidase assay.
Biochem/physiol Actions
Fluorescein di (β-D-galactopyranoside) (FDG) results in fluorescence after being hydrolyzed to fluorescein by β-galactosidase. It gives fluorescence proportional to the enzymatic activity. This molecule is mainly required for the detection of gene expression in transfected cells when using β-galactosidase (Lac Z) as a reporter gene.
Classe de stockage
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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Dual Somatostatin Receptor/FDG PET/CT Imaging in Metastatic Neuroendocrine Tumours: Proposal for a Novel Grading Scheme with Prognostic Significance.
David Lh Chan et al.
Theranostics, 7(5), 1149-1158 (2017-04-25)
A fluorimetric method using fluorescein di-?-D-galactopyranoside for quantifying the senescence-associated ?-galactosidase activity in human foreskin fibroblast Hs68 cells.
Yang NC and Hu ML
Analytical Biochemistry, 325, 337-343 (2004)