The CAS register number of 2H-Pyran-2-one,5,6-dihydro-4-hydroxy-6-methyl- is 33177-29-6. It also can be called as 5,6-Dihydro-4-hydroxy-6-methyl-2h-pyran-2-one and the systematic name about this chemical is 4-hydroxy-6-methyl-5,6-dihydro-2H-pyran-2-one. The molecular formula about this chemical is C₆H₈O₃ and the molecular weight is 128.13. It belongs to the following product categories which include API intermediates; Building Blocks; Heterocyclic Building Blocks; Pyrans and so on. If you want to store it, you should keep the container tightly sealed in dry, cool places and avoid contact with strong oxidizing agents. If you store and use this chemical according the rule, it will not be decomposed.

Physical properties about 2H-Pyran-2-one,5,6-dihydro-4-hydroxy-6-methyl- are: (1)ACD/LogP: -0.20; (2)ACD/BCF (pH 5.5): 1; (3)ACD/BCF (pH 7.4): 1; (4)ACD/KOC (pH 5.5): 2; (5)ACD/KOC (pH 7.4): 1; (6)#H bond acceptors: 3; (7)#H bond donors: 1; (8)#Freely Rotating Bonds: 1; (9)Polar Surface Area: 46.53 Å²; (10)Index of Refraction: 1.512; (11)Molar Refractivity: 30.693 cm³; (12)Molar Volume: 102.26 cm³; (13)Polarizability: 12.168x10^-24cm³; (14)Surface Tension: 45.126 dyne/cm; (15)Density: 1.253 g/cm³; (16)Flash Point: 131.291 °C; (17)Enthalpy of Vaporization: 60.244 kJ/mol; (18)Boiling Point: 280.292 °C at 760 mmHg. 

Uses of 2H-Pyran-2-one,5,6-dihydro-4-hydroxy-6-methyl-: it can be used to produce 6-methyl-4-morpholin-4-yl-5,6-dihydro-pyran-2-one with morpholine. This reaction will need reagent of Na and solvent of benzene. This reaction needs heating. The yield is about 34%.

You can still convert the following datas into molecular structure:
(1)SMILES: O=C1\C=C(\O)CC(C)O1
(2)InChI: InChI=1/C6H8O3/c1-4-2-5(7)3-6(8)9-4/h3-4,7H,2H2,1H3
(3)InChIKey: PXNRZJNTMDCHFR-UHFFFAOYAD
(4)Std. InChI: InChI=1S/C6H8O3/c1-4-2-5(7)3-6(8)9-4/h3-4,7H,2H2,1H3
(5)Std. InChIKey: PXNRZJNTMDCHFR-UHFFFAOYSA-N