858858-87-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 858858-87-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,8,8,5 and 8 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 858858-87:
(8*8)+(7*5)+(6*8)+(5*8)+(4*5)+(3*8)+(2*8)+(1*7)=254
254 % 10 = 4
So 858858-87-4 is a valid CAS Registry Number.