7751-32-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 7751-32-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,7,5 and 1 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 7751-32:
(6*7)+(5*7)+(4*5)+(3*1)+(2*3)+(1*2)=108
108 % 10 = 8
So 7751-32-8 is a valid CAS Registry Number.