243857-99-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 243857-99-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,4,3,8,5 and 7 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 243857-99:
(8*2)+(7*4)+(6*3)+(5*8)+(4*5)+(3*7)+(2*9)+(1*9)=170
170 % 10 = 0
So 243857-99-0 is a valid CAS Registry Number.