(3aR,5S,5aS,7S,8aR,8bS)-7-(tert-Butyl-dimethyl-silanyloxy)-5-hydroxy-4,5,5a,6,7,8,8a,8b-octahydro-3aH-as-indacen-3-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 188910-78-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,8,9,1 and 0 respectively; the second part has 2 digits, 7 and 8 respectively. Calculate Digit Verification of CAS Registry Number 188910-78: (8*1)+(7*8)+(6*8)+(5*9)+(4*1)+(3*0)+(2*7)+(1*8)=183 183 % 10 = 3 So 188910-78-3 is a valid CAS Registry Number.