402-75-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 402-75-5 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 4,0 and 2 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 402-75:
(5*4)+(4*0)+(3*2)+(2*7)+(1*5)=45
45 % 10 = 5
So 402-75-5 is a valid CAS Registry Number.