4407-87-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4407-87-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,4,0 and 7 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 4407-87:
(6*4)+(5*4)+(4*0)+(3*7)+(2*8)+(1*7)=88
88 % 10 = 8
So 4407-87-8 is a valid CAS Registry Number.