| Description | L 640876 is a semisynthetic antibiotic. |
| Synonyms | L640,876, L-640876, L-640,876, L640876, L 640,876 |
| molecular weight | 495.58 |
| Molecular formula | C22H21N7O3S2 |
| CAS | 77527-71-0 |
| Storage | Powder: -20°C for 3 years | In solvent: -80°C for 1 year |
| References | 1. Jacks TM, Schleim KD, Miller BM, Shungu DL, Weinberg E, Gadebusch HH. Quaternary heterocyclylamino beta-lactams. V. L-640,876 treatment of induced enterotoxigenic colibacillosis (scours) in calves and piglets. J Antibiot (Tokyo). 1983 Jan;36(1):70-5. PubMed PMID: 6381448. 2. Koupal LR, Pelak BA, Cassidy PJ, Gadebusch HH. Quaternary heterocyclylamino beta-lactams. III. The mode of action of L-640,876 and the effect of NaCl on membrane permeability and binding. J Antibiot (Tokyo). 1983 Jan;36(1):54-63. PubMed PMID: 6381447. 3. Celozzi E, Pelak BA, Stapley EO, Gadebusch HH. Quaternary heterocyclylamino beta-lactams. IV. Comparison of the in vivo antibacterial activities of L-640,876, mecillinam, cefoxitin and cefotaxime. J Antibiot (Tokyo). 1983 Jan;36(1):64-9. PubMed PMID: 6088459. 4. Koupal LR, Weissberger B, Shungu DL, Weinberg E, Gadebusch HH. Quaternary heterocyclylamino beta-lactams. II. The in vitro antibacterial properties of L-640,876, a new type of beta-lactam antibiotic. J Antibiot (Tokyo). 1983 Jan;36(1):47-53. PubMed PMID: 6088458. |