The CAS Registry Mumber 79902-56-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,9,0 and 2 respectively; the second part has 2 digits, 5 and 6 respectively. Calculate Digit Verification of CAS Registry Number 79902-56: (7*7)+(6*9)+(5*9)+(4*0)+(3*2)+(2*5)+(1*6)=170 170 % 10 = 0 So 79902-56-0 is a valid CAS Registry Number.
Get Best Price for79902-56-02-Ethyl-2-methyl-butyric acid (1S,3R,7S,8S,8aR)-8-{2-[(2R,4R)-4-(tert-butyl-dimethyl-silanyloxy)-6-oxo-tetrahydro-pyran-2-yl]-ethyl}-3,7-dimethyl-1,2,3,7,8,8a-hexahydro-naphthalen-1-yl ester