Acetic acid (1R,4aR,8aR)-6,8a-dichloro-5,8-dioxo-1,4,4a,5,8,8a-hexahydro-naphthalen-1-yl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 87170-53-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,1,7 and 0 respectively; the second part has 2 digits, 5 and 3 respectively. Calculate Digit Verification of CAS Registry Number 87170-53: (7*8)+(6*7)+(5*1)+(4*7)+(3*0)+(2*5)+(1*3)=144 144 % 10 = 4 So 87170-53-4 is a valid CAS Registry Number.