21149-16-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 21149-16-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,1,4 and 9 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 21149-16:
(7*2)+(6*1)+(5*1)+(4*4)+(3*9)+(2*1)+(1*6)=76
76 % 10 = 6
So 21149-16-6 is a valid CAS Registry Number.
21149-16-6Relevant articles and documents
Synthesis of pyrazolidinone antibacterial agents
Couloigner, Evanne,Cartier, Dominique,Labia, Roger
, p. 2205 - 2206 (2007/10/03)
The synthesis of monocyclic pyrazolidinones, which show moderate antibacterial activity, are described.