(+/-)-(2,3β,3aβ,4,8,9,9aβ,9bα)-octahydro-3-tert-butyldimethylsilyloxy-3a,6-dimethyl-5,7-ditrimethylsilyloxy-1H-benzindene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 87530-49-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,5,3 and 0 respectively; the second part has 2 digits, 4 and 9 respectively. Calculate Digit Verification of CAS Registry Number 87530-49: (7*8)+(6*7)+(5*5)+(4*3)+(3*0)+(2*4)+(1*9)=152 152 % 10 = 2 So 87530-49-2 is a valid CAS Registry Number.