Fluorescein di (β-D-galactopyranoside)
Fluorescein di (β-D-galactopyranoside) is a fluorogenic substrate for β-galactosidase (λex=485 nm, λem=535 nm) .
Product Specifications
CAS Number
17817-20-8
Product Name Alternative
FDG
UNSPSC
12171500
Hazard Statement
H302, H315, H319, H335
Target
Fluorescent Dye
Type
Dye Reagents
Related Pathways
Others
Field of Research
Others
Assay Protocol
https://www.medchemexpress.com/Fluorescein_di__beta_-D-galactopyranoside_.html
Purity
99.81
Solubility
DMSO : 5 mg/mL (ultrasonic; warming; heat to 60°C)
Smiles
O=C1OC2(C(C=CC(O[C@@H]([C@@H]([C@@H](O)[C@H]3O)O)O[C@@H]3CO)=C4)=C4OC5=CC(O[C@@H]([C@@H]([C@@H](O)[C@H]6O)O)O[C@@H]6CO)=CC=C25)C7=C1C=CC=C7
Molecular Formula
C32H32O15
Molecular Weight
656.59
Precautions
H302, H315, H319, H335
References & Citations
[1]Yang NC, et al. A fluorimetric method using fluorescein di-beta-D-galactopyranoside for quantifying the senescence-associated beta-galactosidase activity in human foreskin fibroblast Hs68 cells. Anal Biochem. 2004 Feb 15;325 (2) :337-43.
Shipping Conditions
Blue Ice
Storage Conditions
-20°C (Powder, protect from light)
Scientific Category
Dye Reagents
Clinical Information
No Development Reported
Available Sizes
Frequently Asked Questions
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