*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : UR0800000
CHEMICAL NAME           : 7H-Pyrazolo(4,3-d)pyrimidin-7-one,
                          1,4-dihydro-3-beta-D-ribofuranosyl-
CAS REGISTRY NUMBER     : 13877-76-4
BEILSTEIN REFERENCE NO. : 1021587
LAST UPDATED            : 199612
DATA ITEMS CITED        : 7
MOLECULAR FORMULA       : C10-H12-N4-O5
MOLECULAR WEIGHT        : 268.26
COMPOUND DESCRIPTOR     : Drug
                          Mutagen
                          Natural Product
SYNONYMS/TRADE NAMES :
   * Formycin B
   * Laurusin
   * Ohyamycin
   * 3-(beta-D-Ribofuranosyl)pyrazolo(4,3-d)6(H)-7-ketopyrimidine
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD - Lethal dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : >1 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   JANTAJ Journal of Antibiotics.  (Japan Antibiotics Research Assoc., 2-20-8
   Kamiosaki, Shinagawa-ku, Tokyo, 141, Japan)  V.2-5, 1948-52;  V.21- 1968-
   Volume(issue)/page/year: 21,5,1968
 
TYPE OF TEST            : LD - Lethal dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : >1 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   JANTAJ Journal of Antibiotics.  (Japan Antibiotics Research Assoc., 2-20-8
   Kamiosaki, Shinagawa-ku, Tokyo, 141, Japan)  V.2-5, 1948-52;  V.21- 1968-
   Volume(issue)/page/year: 21,5,1968
 
TYPE OF TEST            : LD - Lethal dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : >1 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   JANTAJ Journal of Antibiotics.  (Japan Antibiotics Research Assoc., 2-20-8
   Kamiosaki, Shinagawa-ku, Tokyo, 141, Japan)  V.2-5, 1948-52;  V.21- 1968-
   Volume(issue)/page/year: 21,5,1968
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 1 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   JAJAAA Journal of Antibiotics, Series A.  (Tokyo, Japan)  V.6-20, 1953-67.
   For publisher information, see JANTAJ.  Volume(issue)/page/year: 18,178,1965
 
TYPE OF TEST            : LD - Lethal dose
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Mammal - dog
DOSE/DURATION           : >50 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   JANTAJ Journal of Antibiotics.  (Japan Antibiotics Research Assoc., 2-20-8
   Kamiosaki, Shinagawa-ku, Tokyo, 141, Japan)  V.2-5, 1948-52;  V.21- 1968-
   Volume(issue)/page/year: 21,5,1968
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Parenteral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 4 gm/kg/10D-I
TOXIC EFFECTS :
   Nutritional and Gross Metabolic - weight loss or decreased weight gain
   Related to Chronic Data - death
REFERENCE :
   JANTAJ Journal of Antibiotics.  (Japan Antibiotics Research Assoc., 2-20-8
   Kamiosaki, Shinagawa-ku, Tokyo, 141, Japan)  V.2-5, 1948-52;  V.21- 1968-
   Volume(issue)/page/year: 21,5,1968
 
                            ** MUTATION DATA **
 
TYPE OF TEST            : DNA inhibition
TEST SYSTEM             : Human Lymphocyte
DOSE/DURATION           : 10 umol/L
REFERENCE :
   BCPCA6 Biochemical Pharmacology.  (Pergamon Press Inc., Maxwell House,
   Fairview Park, Elmsford, NY 10523)  V.1-    1958-  Volume(issue)/page/year:
   30,2651,1981
 
                            *** END OF RECORD ***