Abcam, ab275047, Carboxyumbelliferyl β-D-galactopyranoside (CUG)

Size: 5mg
MW 368.29 Da, Purity >98%. pH dependent blue fluorogenic β-galactosidase substrate that is well retained intracellularly for use in live cell analyses. Below the pKa (7.8), Abs. shifts to shorter wavelengths (325 to 340 nm) and fluorescence intensity decreases. These shifts may be used to measure compartmentalization of intracellular activity. Em = 445nm, ε = 32K is emission of fluorophore 3-carboxyumbelliferone released upon beta-galactosidase enzyme activity.
Key facts
CAS number:64664-99-9,
Purity:>98%,
Form:SolidSee storage information,
Molecular weight:368.29 Da,
Molecular formula:C16H16O10,
PubChem:10133607,
Nature:Synthetic,
Solubility:Soluble in DMSO,
Biochemical name:3-Carboxyumbelliferyl beta-D-galactopyranoside,
Biological description:pH dependent blue fluorogenic β-galactosidase substrate that is well retained intracellularly for use in live cell analyses. Below the pKa (7.8), Abs. shifts to shorter wavelengths (325 to 340 nm) and fluorescence intensity decreases. These shifts may be used to measure compartmentalization of intracellular activity. Em = 445nm, ε = 32K is emission of fluorophore 3-carboxyumbelliferone released upon beta-galactosidase enzyme activity.,
Canonical smiles:C1=CC2=C(C=C1OC3C(C(C(C(O3)CO)O)O)O)OC(=O)C(=C2)C(=O)O,
Isomeric smiles:C1=CC2=C(C=C1O[C@H]3[C@@H]([C@H]([C@H]([C@H](O3)CO)O)O)O)OC(=O)C(=C2)C(=O)O,
InChi:InChI=1S/C16H16O10/c17-5-10-11(18)12(19)13(20)16(26-10)24-7-2-1-6-3-8(14(21)22)15(23)25-9(6)4-7/h1-4,10-13,16-20H,5H2,(H,21,22)/t10-,11+,12+,13-,16-/m1/s1,
InChiKey:HGMXXIAQZWTZLR-WUGLTUCPSA-N,
IUPAC Name:2-oxo-7-[(2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxychromene-3-carboxylic acid

Properties and Storage Information:
Shipped at conditions-Blue Ice, Appropriate short-term storage conditions--20°C, Appropriate long-term storage conditions--20°C, Storage information-Store under desiccating conditions