855201-87-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 855201-87-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,5,2,0 and 1 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 855201-87:
(8*8)+(7*5)+(6*5)+(5*2)+(4*0)+(3*1)+(2*8)+(1*7)=165
165 % 10 = 5
So 855201-87-5 is a valid CAS Registry Number.