(3aR,4S,9R,9aS)-3a,9a-dimethyl-3a,4,9,9a-tetrahydro-4,9-epoxynaphtho[2,3-c]furan-1,3-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 82799-13-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,7,9 and 9 respectively; the second part has 2 digits, 1 and 3 respectively. Calculate Digit Verification of CAS Registry Number 82799-13: (7*8)+(6*2)+(5*7)+(4*9)+(3*9)+(2*1)+(1*3)=171 171 % 10 = 1 So 82799-13-1 is a valid CAS Registry Number.