*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : UR0785000
CHEMICAL NAME           : H-Pyrazolo(3,4-d)pyrimidin-4-ol
CAS REGISTRY NUMBER     : 315-30-0
LAST UPDATED            : 199803
DATA ITEMS CITED        : 19
MOLECULAR FORMULA       : C5-H4-N4-O
MOLECULAR WEIGHT        : 136.13
WISWESSER LINE NOTATION : T56 BMN GN INJ FQ
COMPOUND DESCRIPTOR     : Drug
                          Reproductive Effector
                          Human
SYNONYMS/TRADE NAMES :
   * Adenock
   * AL-100
   * Allopurinol
   * Allozym
   * Allural
   * Alositol
   * Aluline
   * Anoprolin
   * Anzief
   * Bleminol
   * Bloxanth
   * BW 56-158
   * Caplenal
   * Cellidrin
   * Dabrosin
   * Embarin
   * Epidropal
   * 1,5-Dihydro-4H-pyrazolo(3,4-d)pyrimidin-4-one
   * Foligan
   * Gichtex
   * HPP
   * 4'-Hydroxypyrazolol(3,4-d)pyrimidine
   * 4-Hydroxypyrazolopyrimidine
   * 4-Hydroxy-1H-pyrazolo(3,4-d)pyrimidine
   * 4-Hydroxy-3,4-pyrazolopyrimidine
   * 4-Hydroxypyrazolo(3,4-d)pyrimidine
   * 4-Hydroxypyrazolyl(3,4-d)pyrimidine
   * Ketanrift
   * Ketobun-A
   * Lopurin
   * Lysuron
   * Milurit
   * Miniplanor
   * Nektrohan
   * NSC-1390
   * 4H-Pyrazolo(3,4-d)pyrimidin-4-one
   * Remid
   * Riball
   * Suspendol
   * Takanarumin
   * Uricemil
   * Uriprim
   * Urobenyl
   * Urosin
   * Zyloprim
   * Zyloric
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Human - woman
DOSE/DURATION           : 42 mg/kg/7D-I
TOXIC EFFECTS :
   Kidney, Ureter, Bladder - other changes
   Skin and Appendages - dermatitis, other (after systemic exposure)
REFERENCE :
   AJMEAZ American Journal of Medicine.  (Technical Pub., 875 Third Ave., New
   York, NY 10022) V.1-    1946-  Volume(issue)/page/year: 76,47,1984
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Human - man
DOSE/DURATION           : 120 mg/kg/4W-I
TOXIC EFFECTS :
   Blood - other changes
   Skin and Appendages - dermatitis, allergic (after systemic exposure)
   Skin and Appendages - dermatitis, other (after systemic exposure)
REFERENCE :
   CEDEDE Clinical and Experimental Dermatology.  (Blackwell Scientific Pub.
   Ltd., POB 88, Oxford, UK) V.1-    1976-  Volume(issue)/page/year:
   19,243,1994
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Human - woman
DOSE/DURATION           : 88 mg/kg/22D-I
TOXIC EFFECTS :
   Blood - leukopenia
REFERENCE :
   ARDIAO Annals of the Rheumatic Diseases.  (British Medical Journal, Box
   560B, Kennebunkport, ME 04041)  V.1-    1939-  Volume(issue)/page/year:
   40,245,1981
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Human - man
DOSE/DURATION           : 21429 ug/kg/5D-I
TOXIC EFFECTS :
   Behavioral - muscle weakness
   Liver - jaundice, other or unclassified
   Blood - thrombocytopenia
REFERENCE :
   ARDIAO Annals of the Rheumatic Diseases.  (British Medical Journal, Box
   560B, Kennebunkport, ME 04041)  V.1-    1939-  Volume(issue)/page/year:
   40,245,1981
 
TYPE OF TEST            : LD - Lethal dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : >500 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
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: 7,735,1973
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 900 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   ADTEAS Advances in Teratology.  (New York, NY)  V.1-5, 1966-72.
   Discontinued.  Volume(issue)/page/year: 3,181,1968
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 78 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
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: 7,735,1973
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 214 mg/kg
TOXIC EFFECTS :
   Behavioral - food intake (animal)
   Behavioral - fluid intake
   Behavioral - ataxia
REFERENCE :
   NYKZAU Nippon Yakurigaku Zasshi.  Japanese Journal of Pharmacology. (Nippon
   Yakuri Gakkai, c/o Kyoto Daigaku Igakubu Yakurigaku Kyoshitsu, Konoe-cho,
   Yoshida, Sakyo-ku, Kyoto 606, Japan) V.40-    1944- Volume(issue)/page/year:
   64,108,1968
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 298 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   YAKUD5 Gekkan Yakuji.  Pharmaceuticals Monthly.  (Yakugyo Jihosha, Inaoka
   Bldg., 2-36 Jinbo-cho, Kanda, Chiyoda-ku, Tokyo 101, Japan)  V.1-   1959-
   Volume(issue)/page/year: 23,715,1981
 
TYPE OF TEST            : LD - Lethal dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : >100 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
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: 7,735,1973
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 300 mg/kg/3D-I
TOXIC EFFECTS :
   Liver - changes in liver weight
   Kidney, Ureter, Bladder - changes in bladder weight
   Biochemical - Enzyme inhibition, induction, or change in blood or tissue
   levels - phosphatases
REFERENCE :
   JTSCDR Journal of Toxicological Sciences.  (Japanese Soc. of Toxicological
   Sciences, 4th Floor, Gakkai Center Bldg., 4-16, Yayoi 2-chome, Bunkyo-ku,
   Tokyo 113, Japan)  V.1-    1976-  Volume(issue)/page/year: 9,343,1984
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 1 gm/kg/10D-I
TOXIC EFFECTS :
   Liver - changes in liver weight
   Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol)
   Biochemical - Enzyme inhibition, induction, or change in blood or tissue
   levels - transaminases
REFERENCE :
   JTSCDR Journal of Toxicological Sciences.  (Japanese Soc. of Toxicological
   Sciences, 4th Floor, Gakkai Center Bldg., 4-16, Yayoi 2-chome, Bunkyo-ku,
   Tokyo 113, Japan)  V.1-    1976-  Volume(issue)/page/year: 9,343,1984
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 300 mg/kg/3D-I
TOXIC EFFECTS :
   Kidney, Ureter, Bladder - other changes
   Kidney, Ureter, Bladder - changes in bladder weight
   Biochemical - Metabolism (Intermediary) - xanthine, purine or nucleotides
   including urate
REFERENCE :
   JJPAAZ Japanese Journal of Pharmacology.  (Japanese Pharmacological Soc.,
   c/o Dept. of Pharmacology, Faculty of Medicine, Kyoto Univ., Sakyo-ku, Kyoto
   606, Japan)  V.1-    1951-  Volume(issue)/page/year: 45,271,1987
 
                          ** REPRODUCTIVE DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE                    : 50 mg/kg
SEX/DURATION            : female 10 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death,
   e.g., stunted fetus)
   Reproductive - Specific Developmental Abnormalities - craniofacial
   (including nose and tongue)
   Reproductive - Specific Developmental Abnormalities - musculoskeletal system
REFERENCE :
   JJPAAZ Japanese Journal of Pharmacology.  (Japanese Pharmacological Soc.,
   c/o Dept. of Pharmacology, Faculty of Medicine, Kyoto Univ., Sakyo-ku, Kyoto
   606, Japan)  V.1-    1951-  Volume(issue)/page/year: 22,201,1972
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE                    : 100 mg/kg
SEX/DURATION            : female 10 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Effects on Embryo or Fetus - fetal death
REFERENCE :
   JJPAAZ Japanese Journal of Pharmacology.  (Japanese Pharmacological Soc.,
   c/o Dept. of Pharmacology, Faculty of Medicine, Kyoto Univ., Sakyo-ku, Kyoto
   606, Japan)  V.1-    1951-  Volume(issue)/page/year: 22,201,1972

                              *** REVIEWS ***
 
   TOXICOLOGY REVIEW
   INTEAG Internist.  (Springer-Verlag New York, Inc., Service Center, 44 Hartz
   Way, Secaucus, NJ 07094) V.1-    1960-  Volume(issue)/page/year: 15,7,1974

   TOXICOLOGY REVIEW
   ARVPAX Annual Review of Pharmacology.  (Palo Alto, CA)  V.1-15, 1961-75. For
   publisher information, see ARPTDI.  Volume(issue)/page/year: 5,447,1965

         *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA ***

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - X4802
       No. of Facilities: 94 (estimated)
       No. of Industries: 1
       No. of Occupations: 1
       No. of Employees: 1456 (estimated)
       No. of Female Employees: 840 (estimated)

                          *** STATUS IN U.S. ***
 
   EPA TSCA Section 8(b) CHEMICAL INVENTORY

 
                            *** END OF RECORD ***