(1R,3R,4aS,5S,6S,6aS,10R,10aS,10bS)-3,4a,7,7,10a-Pentamethyl-3-vinyl-dodecahydro-benzo[f]chromene-1,5,6,10-tetraol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 157242-06-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,2,4 and 2 respectively; the second part has 2 digits, 0 and 6 respectively. Calculate Digit Verification of CAS Registry Number 157242-06: (8*1)+(7*5)+(6*7)+(5*2)+(4*4)+(3*2)+(2*0)+(1*6)=123 123 % 10 = 3 So 157242-06-3 is a valid CAS Registry Number.