2H-1-Benzopyran-2-one,7-(b-D-glucopyranosyloxy)-4-methyl- (18997-57-4)

  4-Methylumbelliferyl-beta-D-glucopyranoside , with cas registry number of 18997-57-4, is classified as Substrates; Carbohydrates & Derivatives; Fluorescent Labels & Indicators. It is often used as fluorogenic substrate in published articles.

  4-Methylumbelliferyl-beta-D-glucopyranoside is also named as 7-(beta-D-Glucopyranosyloxy)-4-methyl-2H-1-benzopyran-2-one . Its IUPAC name and systematic name are 4-methyl-7-[(3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxychromen-2-one and 4-methyl-2-oxo-2H-chromen-7-yl beta-D-galactopyranoside . According to its structure, its corresponding mole characters include SMILES: O=C/2Oc3cc(O[C@@H]1O[C@@H]([C@H](O)[C@H](O)[C@H]1O)CO)ccc3\C(=C\2)C, InChI: InChI=1/C16H18O8/c1-7-4-12(18)23-10-5-8(2-3-9(7)10)22-16-15(21)14(20)13(19)11(6-17)24-16/h2-5,11,13-17,19-21H,6H2,1H3/t11-,13+,14+,15-,16-/m1/s1, and InChIKey: YUDPTGPSBJVHCN-DZQJYWQEBM.

  The physical properties of 4-Methylumbelliferyl-beta-D-glucopyranoside are (1) H bond acceptors: 8, (2) H bond donors: 4, (3) Freely Rotating Bonds: 7, (4) Index of Refraction: 1.641, (5) Molar Refractivity: 80.17 cm³, (6) Molar Volume: 222.1 cm³, (7) Surface Tension: 73.1 dyne/cm, (8) Enthalpy of Vaporization: 97.54 kJ/mol, (9) Vapour Pressure: 1.39E-16 mmHg at 25°C.

  4-Methylumbelliferyl-beta-D-glucopyranoside is very toxic by inhalation, in contact with skin and if swallowed. When use it, do not breathe dust and avoid contact with skin and eyes. It is stored at the temperature of 2-8°C.