727-37-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 727-37-7 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 7,2 and 7 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 727-37:
(5*7)+(4*2)+(3*7)+(2*3)+(1*7)=77
77 % 10 = 7
So 727-37-7 is a valid CAS Registry Number.