205043-72-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 205043-72-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,5,0,4 and 3 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 205043-72:
(8*2)+(7*0)+(6*5)+(5*0)+(4*4)+(3*3)+(2*7)+(1*2)=87
87 % 10 = 7
So 205043-72-7 is a valid CAS Registry Number.