*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : TH9204800
CHEMICAL NAME           : 1(2H)-Phthalazinone, 2-ethyl-4-(guanidinomethyl)-,
                          hemisulfate, sesquihydrate
CAS REGISTRY NUMBER     : 42558-62-3
LAST UPDATED            : 198609
DATA ITEMS CITED        : 1
MOLECULAR FORMULA       : C12-H15-N5-O.1/2H2-O4-S.3/2H2-O
MOLECULAR WEIGHT        : 311.34
WISWESSER LINE NOTATION : T66 BVNNJ C2 E1MYZUM 2 &..H2.S-O4 &QH 3
COMPOUND DESCRIPTOR     : Drug
SYNONYMS/TRADE NAMES :
   * 2-Ethyl-4-(guanidinomethyl)-1-phthalazone, hemisulfate, sesquihydrate
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 139 mg/kg
TOXIC EFFECTS :
   Vascular - BP lowering not characterized in autonomic section
REFERENCE :
   PCJOAU Pharmaceutical Chemistry Journal (English Translation).  Translation
   of KHFZAN. (Plenum Pub. Corp., 233 Spring St., New York, NY 10013)  No.1-
   1967-  Volume(issue)/page/year: 7,566,1973
 
                            *** END OF RECORD ***