(3R)-3aβ,5,5a,6,7,9,9aα,9bα-Octahydro-3α,5aα,9α-trimethylnaphtho[1,2-b]furan-2,8(3H,4H)-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 32638-47-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,2,6,3 and 8 respectively; the second part has 2 digits, 4 and 7 respectively. Calculate Digit Verification of CAS Registry Number 32638-47: (7*3)+(6*2)+(5*6)+(4*3)+(3*8)+(2*4)+(1*7)=114 114 % 10 = 4 So 32638-47-4 is a valid CAS Registry Number.