83911-59-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83911-59-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,9,1 and 1 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 83911-59:
(7*8)+(6*3)+(5*9)+(4*1)+(3*1)+(2*5)+(1*9)=145
145 % 10 = 5
So 83911-59-5 is a valid CAS Registry Number.