372093-71-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 372093-71-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,7,2,0,9 and 3 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 372093-71:
(8*3)+(7*7)+(6*2)+(5*0)+(4*9)+(3*3)+(2*7)+(1*1)=145
145 % 10 = 5
So 372093-71-5 is a valid CAS Registry Number.