858009-92-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 858009-92-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,8,0,0 and 9 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 858009-92:
(8*8)+(7*5)+(6*8)+(5*0)+(4*0)+(3*9)+(2*9)+(1*2)=194
194 % 10 = 4
So 858009-92-4 is a valid CAS Registry Number.