*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : EM9252400
CHEMICAL NAME           : 2-Butenoic acid, 3-methyl-,
                          1-(1,4-dihydro-5,8-dihydroxy-1,4-dioxo-2-naphthalenyl
                          )-4-methyl- 3-pentenyl ester, (+)-
CAS REGISTRY NUMBER     : 24502-79-2
LAST UPDATED            : 198208
DATA ITEMS CITED        : 1
MOLECULAR FORMULA       : C21-H22-O6
MOLECULAR WEIGHT        : 370.43
WISWESSER LINE NOTATION : L66 BV EVJ CY2UY1&1&OV1UY1&1 GQ JQ
COMPOUND DESCRIPTOR     : Drug
SYNONYMS/TRADE NAMES :
   * beta,beta-Dimethylacrylshikonin
   * Dmask
 
                       *** 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           : 48 mg/kg
TOXIC EFFECTS :
   Lungs, Thorax, or Respiration - dyspnea
REFERENCE :
   CYLPDN Zhongguo Yaoli Xuebao.  Acta Pharmacologica Sinica.  Chinese Journal
   of Pharmacology.  (China International Book Trading Corp., POB 2820,
   Beijing, Peop. Rep. China)  V.1-    1980-  Volume(issue)/page/year:
   1,60,1980
 
                            *** END OF RECORD ***