Methyl 4,6-dichloro-β-D-4,6-dideoxy-galactopyranoside is a complex organic compound with the molecular formula C7H12Cl2O5. It is a derivative of galactopyranose, a monosaccharide sugar, where the hydroxyl groups at the 4 and 6 positions are replaced by chlorine atoms, and the molecule is further modified with a methyl group attached to the anomeric carbon. methyl 4,6-dichloro-β-D-4,6-dideoxy-galactopyranoside is of interest in organic chemistry and biochemistry, particularly in the synthesis of complex carbohydrates and as a potential intermediate in the preparation of various pharmaceuticals and chemical compounds. Its unique structure allows for further functionalization and exploration of its properties in various chemical reactions.
The CAS Registry Mumber 4990-85-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,9,9 and 0 respectively; the second part has 2 digits, 8 and 5 respectively. Calculate Digit Verification of CAS Registry Number 4990-85: (6*4)+(5*9)+(4*9)+(3*0)+(2*8)+(1*5)=126 126 % 10 = 6 So 4990-85-6 is a valid CAS Registry Number.