Phenyl 2-O,3-O,4-O,6-O-tetramethyl-α-D-glucopyranoside is a complex organic compound with the molecular formula C18H26O6. It is a derivative of α-D-glucopyranoside, a monosaccharide, where four hydroxyl groups at positions 2, 3, 4, and 6 are substituted with methyl groups, and a phenyl group is attached to the remaining hydroxyl group at position 1. Phenyl 2-O,3-O,4-O,6-O-tetramethyl-α-D-glucopyranoside is often used in organic synthesis and as a protecting group in carbohydrate chemistry, particularly in the synthesis of complex oligosaccharides and glycoconjugates. Its structure provides a stable and easily removable protecting group, which is crucial for the selective synthesis of complex carbohydrates.
The CAS Registry Mumber 3149-61-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,1,4 and 9 respectively; the second part has 2 digits, 6 and 1 respectively. Calculate Digit Verification of CAS Registry Number 3149-61: (6*3)+(5*1)+(4*4)+(3*9)+(2*6)+(1*1)=79 79 % 10 = 9 So 3149-61-9 is a valid CAS Registry Number.