75840-07-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75840-07-2 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, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 75840-07:
(7*7)+(6*5)+(5*8)+(4*4)+(3*0)+(2*0)+(1*7)=142
142 % 10 = 2
So 75840-07-2 is a valid CAS Registry Number.