1208220-82-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1208220-82-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,8,2,2 and 0 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1208220-82:
(9*1)+(8*2)+(7*0)+(6*8)+(5*2)+(4*2)+(3*0)+(2*8)+(1*2)=109
109 % 10 = 9
So 1208220-82-9 is a valid CAS Registry Number.