75712-50-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75712-50-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,7,1 and 2 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 75712-50:
(7*7)+(6*5)+(5*7)+(4*1)+(3*2)+(2*5)+(1*0)=134
134 % 10 = 4
So 75712-50-4 is a valid CAS Registry Number.