201005-56-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 201005-56-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,1,0,0 and 5 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 201005-56:
(8*2)+(7*0)+(6*1)+(5*0)+(4*0)+(3*5)+(2*5)+(1*6)=53
53 % 10 = 3
So 201005-56-3 is a valid CAS Registry Number.