<1RS-(1α,2α,4aα)>-1,2,3,4,4a,5,6,7-octahydro-4a,8-dimethyl-2-(phenylseleno)-1-(2-propynyloxy)-naphthalene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 124128-05-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,4,1,2 and 8 respectively; the second part has 2 digits, 0 and 5 respectively. Calculate Digit Verification of CAS Registry Number 124128-05: (8*1)+(7*2)+(6*4)+(5*1)+(4*2)+(3*8)+(2*0)+(1*5)=88 88 % 10 = 8 So 124128-05-8 is a valid CAS Registry Number.