5702-72-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5702-72-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,7,0 and 2 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 5702-72:
(6*5)+(5*7)+(4*0)+(3*2)+(2*7)+(1*2)=87
87 % 10 = 7
So 5702-72-7 is a valid CAS Registry Number.