139976-17-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 139976-17-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,9,7 and 6 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 139976-17:
(8*1)+(7*3)+(6*9)+(5*9)+(4*7)+(3*6)+(2*1)+(1*7)=183
183 % 10 = 3
So 139976-17-3 is a valid CAS Registry Number.