1820712-83-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1820712-83-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,8,2,0,7,1 and 2 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1820712-83:
(9*1)+(8*8)+(7*2)+(6*0)+(5*7)+(4*1)+(3*2)+(2*8)+(1*3)=151
151 % 10 = 1
So 1820712-83-1 is a valid CAS Registry Number.