52856-40-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 52856-40-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,8,5 and 6 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 52856-40:
(7*5)+(6*2)+(5*8)+(4*5)+(3*6)+(2*4)+(1*0)=133
133 % 10 = 3
So 52856-40-3 is a valid CAS Registry Number.