858854-80-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 858854-80-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,8,8,5 and 4 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 858854-80:
(8*8)+(7*5)+(6*8)+(5*8)+(4*5)+(3*4)+(2*8)+(1*0)=235
235 % 10 = 5
So 858854-80-5 is a valid CAS Registry Number.