551962-90-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 551962-90-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,5,1,9,6 and 2 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 551962-90:
(8*5)+(7*5)+(6*1)+(5*9)+(4*6)+(3*2)+(2*9)+(1*0)=174
174 % 10 = 4
So 551962-90-4 is a valid CAS Registry Number.