855422-85-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 855422-85-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,5,4,2 and 2 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 855422-85:
(8*8)+(7*5)+(6*5)+(5*4)+(4*2)+(3*2)+(2*8)+(1*5)=184
184 % 10 = 4
So 855422-85-4 is a valid CAS Registry Number.