201287-82-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 201287-82-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,1,2,8 and 7 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 201287-82:
(8*2)+(7*0)+(6*1)+(5*2)+(4*8)+(3*7)+(2*8)+(1*2)=103
103 % 10 = 3
So 201287-82-3 is a valid CAS Registry Number.