Methyl-[O3,O4-dimethyl-O2-(toluene-4-sulfonyl)-β-L-arabinopyranoside] is a complex organic compound with the molecular formula C16H22O8S. It is a derivative of β-L-arabinopyranoside, a monosaccharide, with modifications at the O2, O3, and O4 positions. Specifically, the O2 position is substituted with a toluene-4-sulfonyl group, while the O3 and O4 positions are each substituted with a methyl group. This chemical is characterized by its unique structure, which includes a methyl group attached to the arabinopyranoside core, a toluene-4-sulfonyl group at the O2 position, and two additional methyl groups at the O3 and O4 positions. Such compounds are often studied for their potential applications in various fields, including pharmaceuticals and chemical research, due to their specific functional groups and stereochemistry.
The CAS Registry Mumber 7187-97-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,1,8 and 7 respectively; the second part has 2 digits, 9 and 7 respectively. Calculate Digit Verification of CAS Registry Number 7187-97: (6*7)+(5*1)+(4*8)+(3*7)+(2*9)+(1*7)=125 125 % 10 = 5 So 7187-97-5 is a valid CAS Registry Number.