1234357-59-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1234357-59-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,4,3,5 and 7 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1234357-59:
(9*1)+(8*2)+(7*3)+(6*4)+(5*3)+(4*5)+(3*7)+(2*5)+(1*9)=145
145 % 10 = 5
So 1234357-59-5 is a valid CAS Registry Number.