1391982-25-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1391982-25-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,9,1,9,8 and 2 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1391982-25:
(9*1)+(8*3)+(7*9)+(6*1)+(5*9)+(4*8)+(3*2)+(2*2)+(1*5)=194
194 % 10 = 4
So 1391982-25-4 is a valid CAS Registry Number.