(3aR,4R,5S,6S,7R,7aS)-4,5,6,7-Tetrakis-benzyloxy-2-methoxy-hexahydro-benzo[1,3,2]dioxaphosphole is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 120202-99-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,0,2,0 and 2 respectively; the second part has 2 digits, 9 and 9 respectively. Calculate Digit Verification of CAS Registry Number 120202-99: (8*1)+(7*2)+(6*0)+(5*2)+(4*0)+(3*2)+(2*9)+(1*9)=65 65 % 10 = 5 So 120202-99-5 is a valid CAS Registry Number.