939964-15-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 939964-15-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,3,9,9,6 and 4 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 939964-15:
(8*9)+(7*3)+(6*9)+(5*9)+(4*6)+(3*4)+(2*1)+(1*5)=235
235 % 10 = 5
So 939964-15-5 is a valid CAS Registry Number.