*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : VS2895000
CHEMICAL NAME           : 9,10-Secocholesta-5,7,10(19)-triene-3,24,25-triol,
                          (3-beta,5Z,7E,24R)-
CAS REGISTRY NUMBER     : 55721-11-4
LAST UPDATED            : 199512
DATA ITEMS CITED        : 2
MOLECULAR FORMULA       : C27-H44-O3
MOLECULAR WEIGHT        : 416.71
SYNONYMS/TRADE NAMES :
   * 24(R),25-Dihydroxycholecalciferol
   * 24(R),25-Dihydroxyvitamin D3
   * (24R)-Hydroxycalcidiol
   * K-DR
   * Osteo D
   * Ro 21-5816
   * Secalciferol
   * (3-beta,5Z,7E,24R)-9,10-Secocholesta-5,7,10(19)-triene-3,24,25-triol
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : >10 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   JKXXAF Japanese Kokai Tokyo Koho Patents.  (U.S. Patent and Trademark
   Office, Foreign Patents, Washington, DC 20231)  Volume(issue)/page/year:
   #94-247858
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : >2 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   JKXXAF Japanese Kokai Tokyo Koho Patents.  (U.S. Patent and Trademark
   Office, Foreign Patents, Washington, DC 20231)  Volume(issue)/page/year:
   #94-247858
 
                            *** END OF RECORD ***