201344-59-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 201344-59-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,1,3,4 and 4 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 201344-59:
(8*2)+(7*0)+(6*1)+(5*3)+(4*4)+(3*4)+(2*5)+(1*9)=84
84 % 10 = 4
So 201344-59-4 is a valid CAS Registry Number.