57072-72-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 57072-72-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,0,7 and 2 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 57072-72:
(7*5)+(6*7)+(5*0)+(4*7)+(3*2)+(2*7)+(1*2)=127
127 % 10 = 7
So 57072-72-7 is a valid CAS Registry Number.