866993-51-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 866993-51-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,6,9,9 and 3 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 866993-51:
(8*8)+(7*6)+(6*6)+(5*9)+(4*9)+(3*3)+(2*5)+(1*1)=243
243 % 10 = 3
So 866993-51-3 is a valid CAS Registry Number.