939769-89-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 939769-89-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,3,9,7,6 and 9 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 939769-89:
(8*9)+(7*3)+(6*9)+(5*7)+(4*6)+(3*9)+(2*8)+(1*9)=258
258 % 10 = 8
So 939769-89-8 is a valid CAS Registry Number.