207563-72-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 207563-72-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,7,5,6 and 3 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 207563-72:
(8*2)+(7*0)+(6*7)+(5*5)+(4*6)+(3*3)+(2*7)+(1*2)=132
132 % 10 = 2
So 207563-72-2 is a valid CAS Registry Number.