237420-74-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 237420-74-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,3,7,4,2 and 0 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 237420-74:
(8*2)+(7*3)+(6*7)+(5*4)+(4*2)+(3*0)+(2*7)+(1*4)=125
125 % 10 = 5
So 237420-74-5 is a valid CAS Registry Number.