858259-34-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 858259-34-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,8,2,5 and 9 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 858259-34:
(8*8)+(7*5)+(6*8)+(5*2)+(4*5)+(3*9)+(2*3)+(1*4)=214
214 % 10 = 4
So 858259-34-4 is a valid CAS Registry Number.