2072145-21-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2072145-21-0 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, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 2072145-21:
(9*2)+(8*0)+(7*7)+(6*2)+(5*1)+(4*4)+(3*5)+(2*2)+(1*1)=120
120 % 10 = 0
So 2072145-21-0 is a valid CAS Registry Number.