193969-76-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 193969-76-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,3,9,6 and 9 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 193969-76:
(8*1)+(7*9)+(6*3)+(5*9)+(4*6)+(3*9)+(2*7)+(1*6)=205
205 % 10 = 5
So 193969-76-5 is a valid CAS Registry Number.