7376-91-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 7376-91-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,3,7 and 6 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 7376-91:
(6*7)+(5*3)+(4*7)+(3*6)+(2*9)+(1*1)=122
122 % 10 = 2
So 7376-91-2 is a valid CAS Registry Number.