93944-87-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 93944-87-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,3,9,4 and 4 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 93944-87:
(7*9)+(6*3)+(5*9)+(4*4)+(3*4)+(2*8)+(1*7)=177
177 % 10 = 7
So 93944-87-7 is a valid CAS Registry Number.