((4aR,8aS)-4,4,7-Trimethyl-3-oxo-1,2,3,4,4a,5,6,8a-octahydro-naphthalen-2-yl)-acetic acid ethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 115819-65-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,5,8,1 and 9 respectively; the second part has 2 digits, 6 and 5 respectively. Calculate Digit Verification of CAS Registry Number 115819-65: (8*1)+(7*1)+(6*5)+(5*8)+(4*1)+(3*9)+(2*6)+(1*5)=133 133 % 10 = 3 So 115819-65-3 is a valid CAS Registry Number.