1232541-07-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1232541-07-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,2,5,4 and 1 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1232541-07:
(9*1)+(8*2)+(7*3)+(6*2)+(5*5)+(4*4)+(3*1)+(2*0)+(1*7)=109
109 % 10 = 9
So 1232541-07-9 is a valid CAS Registry Number.