113977-25-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 113977-25-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,3,9,7 and 7 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 113977-25:
(8*1)+(7*1)+(6*3)+(5*9)+(4*7)+(3*7)+(2*2)+(1*5)=136
136 % 10 = 6
So 113977-25-6 is a valid CAS Registry Number.