(3aR,4S,4aS,7aR,8R,8aS)-3a,4a,5,6,7,7a,8,8a-octahydro-2,2,4,6,6-pentamethyl-4,8-etheno-4H-indeno[5,6-d]-1,3-dioxole is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 499121-60-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,9,9,1,2 and 1 respectively; the second part has 2 digits, 6 and 0 respectively. Calculate Digit Verification of CAS Registry Number 499121-60: (8*4)+(7*9)+(6*9)+(5*1)+(4*2)+(3*1)+(2*6)+(1*0)=177 177 % 10 = 7 So 499121-60-7 is a valid CAS Registry Number.