824391-87-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 824391-87-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,2,4,3,9 and 1 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 824391-87:
(8*8)+(7*2)+(6*4)+(5*3)+(4*9)+(3*1)+(2*8)+(1*7)=179
179 % 10 = 9
So 824391-87-9 is a valid CAS Registry Number.