73907-76-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 73907-76-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,9,0 and 7 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 73907-76:
(7*7)+(6*3)+(5*9)+(4*0)+(3*7)+(2*7)+(1*6)=153
153 % 10 = 3
So 73907-76-3 is a valid CAS Registry Number.