87741-70-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87741-70-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,7,4 and 1 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 87741-70:
(7*8)+(6*7)+(5*7)+(4*4)+(3*1)+(2*7)+(1*0)=166
166 % 10 = 6
So 87741-70-6 is a valid CAS Registry Number.