723751-28-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 723751-28-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,2,3,7,5 and 1 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 723751-28:
(8*7)+(7*2)+(6*3)+(5*7)+(4*5)+(3*1)+(2*2)+(1*8)=158
158 % 10 = 8
So 723751-28-8 is a valid CAS Registry Number.