858254-24-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 858254-24-7 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 4 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 858254-24:
(8*8)+(7*5)+(6*8)+(5*2)+(4*5)+(3*4)+(2*2)+(1*4)=197
197 % 10 = 7
So 858254-24-7 is a valid CAS Registry Number.