55819-15-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 55819-15-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,8,1 and 9 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 55819-15:
(7*5)+(6*5)+(5*8)+(4*1)+(3*9)+(2*1)+(1*5)=143
143 % 10 = 3
So 55819-15-3 is a valid CAS Registry Number.