1820579-68-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1820579-68-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,8,2,0,5,7 and 9 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1820579-68:
(9*1)+(8*8)+(7*2)+(6*0)+(5*5)+(4*7)+(3*9)+(2*6)+(1*8)=187
187 % 10 = 7
So 1820579-68-7 is a valid CAS Registry Number.