855757-84-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 855757-84-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,5,7,5 and 7 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 855757-84:
(8*8)+(7*5)+(6*5)+(5*7)+(4*5)+(3*7)+(2*8)+(1*4)=225
225 % 10 = 5
So 855757-84-5 is a valid CAS Registry Number.