6725-76-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6725-76-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,7,2 and 5 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 6725-76:
(6*6)+(5*7)+(4*2)+(3*5)+(2*7)+(1*6)=114
114 % 10 = 4
So 6725-76-4 is a valid CAS Registry Number.