132420-05-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 132420-05-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,2,4,2 and 0 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 132420-05:
(8*1)+(7*3)+(6*2)+(5*4)+(4*2)+(3*0)+(2*0)+(1*5)=74
74 % 10 = 4
So 132420-05-4 is a valid CAS Registry Number.