552885-84-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 552885-84-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,5,2,8,8 and 5 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 552885-84:
(8*5)+(7*5)+(6*2)+(5*8)+(4*8)+(3*5)+(2*8)+(1*4)=194
194 % 10 = 4
So 552885-84-4 is a valid CAS Registry Number.