1820687-44-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1820687-44-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,8,2,0,6,8 and 7 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1820687-44:
(9*1)+(8*8)+(7*2)+(6*0)+(5*6)+(4*8)+(3*7)+(2*4)+(1*4)=182
182 % 10 = 2
So 1820687-44-2 is a valid CAS Registry Number.