550372-19-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 550372-19-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,5,0,3,7 and 2 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 550372-19:
(8*5)+(7*5)+(6*0)+(5*3)+(4*7)+(3*2)+(2*1)+(1*9)=135
135 % 10 = 5
So 550372-19-5 is a valid CAS Registry Number.