18719-94-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 18719-94-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,7,1 and 9 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 18719-94:
(7*1)+(6*8)+(5*7)+(4*1)+(3*9)+(2*9)+(1*4)=143
143 % 10 = 3
So 18719-94-3 is a valid CAS Registry Number.