858847-89-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 858847-89-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,8,8,4 and 7 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 858847-89:
(8*8)+(7*5)+(6*8)+(5*8)+(4*4)+(3*7)+(2*8)+(1*9)=249
249 % 10 = 9
So 858847-89-9 is a valid CAS Registry Number.