2072145-40-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2072145-40-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 2,0,7,2,1,4 and 5 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 2072145-40:
(9*2)+(8*0)+(7*7)+(6*2)+(5*1)+(4*4)+(3*5)+(2*4)+(1*0)=123
123 % 10 = 3
So 2072145-40-3 is a valid CAS Registry Number.