75840-59-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75840-59-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,8,4 and 0 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 75840-59:
(7*7)+(6*5)+(5*8)+(4*4)+(3*0)+(2*5)+(1*9)=154
154 % 10 = 4
So 75840-59-4 is a valid CAS Registry Number.