(3R,4aS,8R,8aS)-(+)-8-acetoxy-3-methyl-3,4,4a,5,6,7,8,8a-octahydroisocoumarin is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 104331-44-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,4,3,3 and 1 respectively; the second part has 2 digits, 4 and 4 respectively. Calculate Digit Verification of CAS Registry Number 104331-44: (8*1)+(7*0)+(6*4)+(5*3)+(4*3)+(3*1)+(2*4)+(1*4)=74 74 % 10 = 4 So 104331-44-4 is a valid CAS Registry Number.