866916-70-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 866916-70-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,6,9,1 and 6 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 866916-70:
(8*8)+(7*6)+(6*6)+(5*9)+(4*1)+(3*6)+(2*7)+(1*0)=223
223 % 10 = 3
So 866916-70-3 is a valid CAS Registry Number.