*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : MF8750000
CHEMICAL NAME           : Guanosine
CAS REGISTRY NUMBER     : 118-00-3
OTHER CAS REGISTRY NOS. : 85-30-3
LAST UPDATED            : 199701
DATA ITEMS CITED        : 9
MOLECULAR FORMULA       : C10-H13-N5-O5
MOLECULAR WEIGHT        : 283.28
WISWESSER LINE NOTATION : T56 BN DN FMYMVJ GUM D- BT5OTJ CQ DQ E1Q
COMPOUND DESCRIPTOR     : Mutagen
                          Reproductive Effector
SYNONYMS/TRADE NAMES :
   * GR
   * Guanine, 9-beta-D-ribofuranosyl-
   * Guanine riboside
   * 2(3H)-Imino-9-beta-D-ribofuranosyl-9H-purin-6(1H)-one
   * Inosine, 2-amino-
   * Ribofuranoside, guanine-9, beta-D-
   * 9-beta-D-Ribofuranosylguanine
   * Vernine
   * USAF CB-11
 
                       *** 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           : 500 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   NTIS** National Technical Information Service.  (Springfield, VA 22161)
   Formerly U.S. Clearinghouse for Scientific & Technical Information.
   Volume(issue)/page/year: AD277-689
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 180 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems
   Laboratory, NIOSH Exchange Chemicals.  (Aberdeen Proving Ground, MD 21010)
   Volume(issue)/page/year: NX#03206
 
                          ** REPRODUCTIVE DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE                    : 1 gm/kg
SEX/DURATION            : female 13 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Specific Developmental Abnormalities - craniofacial
   (including nose and tongue)
   Reproductive - Specific Developmental Abnormalities - other developmental
   abnormalities
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                    : 750 mg/kg
SEX/DURATION            : female 13 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death,
   e.g., stunted fetus)
   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
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE                    : 750 mg/kg
SEX/DURATION            : female 10 day(s) after conception
TOXIC EFFECTS :
   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
 
                            ** MUTATION DATA **
 
TYPE OF TEST            : Phage inhibition capacity
TEST SYSTEM             : Bacteria - Escherichia coli
DOSE/DURATION           : 1 gm/L
REFERENCE :
   ZAPOAK Zeitschrift fuer Allgemeine Mikrobiologie.  (Akademie-Verlag GmbH,
   Postfach 1233, Berlin DDR-1086 Ger. Dem. Rep.)  V.1-    1960-
   Volume(issue)/page/year: 12,583,1972
 
TYPE OF TEST            : Mutation test systems - not otherwise specified
TEST SYSTEM             : Human Cells - not otherwise specified
DOSE/DURATION           : 1 mmol/L
REFERENCE :
   JIDEAE Journal of Investigative Dermatology.  (Williams & Wilkins Co., 428
   E. Preston St., Baltimore, MD 21202)  V.1-    1938- Volume(issue)/page/year:
   65,52,1975

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

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - X9994
       No. of Facilities: 35 (estimated)
       No. of Industries: 1
       No. of Occupations: 1
       No. of Employees: 115 (estimated)
       No. of Female Employees: 64 (estimated)

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

 
                            *** END OF RECORD ***