(1R,3S,4S,5R,8R,9S,10R)-4-bromo-10-hydroxy-12-methylene-5,9-dimethyl-2,6-dioxatetracyclo[7.2.2.5,81.03,8]tetradecane is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 200420-52-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,0,4,2 and 0 respectively; the second part has 2 digits, 5 and 2 respectively. Calculate Digit Verification of CAS Registry Number 200420-52: (8*2)+(7*0)+(6*0)+(5*4)+(4*2)+(3*0)+(2*5)+(1*2)=56 56 % 10 = 6 So 200420-52-6 is a valid CAS Registry Number.