492-30-8 ,2-C-methyl-d-ribono-1,4-lactone;3,4-dihydroxy-5-(hydroxymethyl)-3-methyloxolan-2-one,CAS:492-30-8 C6H10O5 / 162.14 MFCD073695412-C-Methyl-D-ribono-1,4-lactone CAS No: 492-30-8 MDL No: MFCD07369541 Chemical Formula: C6H10O5 Molecular Weight: 162.14white to off-white crystalline powder. References: 1. Lopez-Herrera FJ, Sarabia-Garcia F, et al., J. Carbohydr. Chem. 1994, 13, 5, p767