*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : UU2800000
CHEMICAL NAME           : Pyridinium,
                          4-carbamoyl-1-((2-carboxy-8-oxo-7-(2-(2-thienyl)aceta
                          mido)-5-thia-1-aza-
                          bicyclo(4.2.0)oct-2-en-3-yl)methyl)- hydroxide, inner
                          salt
CAS REGISTRY NUMBER     : 5575-21-3
BEILSTEIN REFERENCE NO. : 4169337
LAST UPDATED            : 199712
DATA ITEMS CITED        : 1
MOLECULAR FORMULA       : C20-H18-N4-O5-S2
MOLECULAR WEIGHT        : 458.54
WISWESSER LINE NOTATION : T46 ANV ES GUTJ HVQ CMV1- BT5SJ& G1- AT6KJ DVZ &Q
SYNONYMS/TRADE NAMES :
   * Cefalonium
   * Cephalonium
   *   7-(alpha-Thienylacetamido)-3-(4-carbamoylpyridinomethyl)-3-cephem-4-carb
     oxylic acid
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 2750 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   TXAPA9 Toxicology and Applied Pharmacology.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802) V.1-    1959-  Volume(issue)/page/year:
   18,185,1971
 
                            *** END OF RECORD ***