75757-40-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75757-40-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,7,5 and 7 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 75757-40:
(7*7)+(6*5)+(5*7)+(4*5)+(3*7)+(2*4)+(1*0)=163
163 % 10 = 3
So 75757-40-3 is a valid CAS Registry Number.