1232889-32-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1232889-32-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,2,8,8 and 9 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1232889-32:
(9*1)+(8*2)+(7*3)+(6*2)+(5*8)+(4*8)+(3*9)+(2*3)+(1*2)=165
165 % 10 = 5
So 1232889-32-5 is a valid CAS Registry Number.