1819-43-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1819-43-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,8,1 and 9 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1819-43:
(6*1)+(5*8)+(4*1)+(3*9)+(2*4)+(1*3)=88
88 % 10 = 8
So 1819-43-8 is a valid CAS Registry Number.