(3aS,5S,8aR,9aS)-5,8a-Dimethyl-2-oxo-2,3,3a,5,6,7,8,8a,9,9a-decahydro-naphtho[2,3-b]furan-3-carboxylic acid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 69841-28-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,8,4 and 1 respectively; the second part has 2 digits, 2 and 8 respectively. Calculate Digit Verification of CAS Registry Number 69841-28: (7*6)+(6*9)+(5*8)+(4*4)+(3*1)+(2*2)+(1*8)=167 167 % 10 = 7 So 69841-28-7 is a valid CAS Registry Number.