866997-70-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 866997-70-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,6,9,9 and 7 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 866997-70:
(8*8)+(7*6)+(6*6)+(5*9)+(4*9)+(3*7)+(2*7)+(1*0)=258
258 % 10 = 8
So 866997-70-8 is a valid CAS Registry Number.