878389-72-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 878389-72-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,8,3,8 and 9 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 878389-72:
(8*8)+(7*7)+(6*8)+(5*3)+(4*8)+(3*9)+(2*7)+(1*2)=251
251 % 10 = 1
So 878389-72-1 is a valid CAS Registry Number.