858800-55-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 858800-55-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,8,8,0 and 0 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 858800-55:
(8*8)+(7*5)+(6*8)+(5*8)+(4*0)+(3*0)+(2*5)+(1*5)=202
202 % 10 = 2
So 858800-55-2 is a valid CAS Registry Number.