71937-76-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 71937-76-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,9,3 and 7 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 71937-76:
(7*7)+(6*1)+(5*9)+(4*3)+(3*7)+(2*7)+(1*6)=153
153 % 10 = 3
So 71937-76-3 is a valid CAS Registry Number.