5765-40-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5765-40-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,7,6 and 5 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 5765-40:
(6*5)+(5*7)+(4*6)+(3*5)+(2*4)+(1*0)=112
112 % 10 = 2
So 5765-40-2 is a valid CAS Registry Number.