(4aR,4bR,10aR,10bS)-4a,4b,5,6,7,8,9,10,10a,10b-Decahydro-benzo[3,4]cyclobuta[1,2]cyclooctene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 54933-18-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,9,3 and 3 respectively; the second part has 2 digits, 1 and 8 respectively. Calculate Digit Verification of CAS Registry Number 54933-18: (7*5)+(6*4)+(5*9)+(4*3)+(3*3)+(2*1)+(1*8)=135 135 % 10 = 5 So 54933-18-5 is a valid CAS Registry Number.