857585-55-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 857585-55-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,7,5,8 and 5 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 857585-55:
(8*8)+(7*5)+(6*7)+(5*5)+(4*8)+(3*5)+(2*5)+(1*5)=228
228 % 10 = 8
So 857585-55-8 is a valid CAS Registry Number.