*** CHEMICAL IDENTIFICATION ***
RTECS NUMBER : UP0700000
CHEMICAL NAME : 9H-Purine-6-thiol, 9-ribofuranosyl-
CAS REGISTRY NUMBER : 4988-64-1
OTHER CAS REGISTRY NOS. : 5270-38-2
LAST UPDATED : 199707
DATA ITEMS CITED : 14
MOLECULAR FORMULA : C10-H12-N4-O4-S
MOLECULAR WEIGHT : 284.32
WISWESSER LINE NOTATION : T56 BN DN FN HNJ ISH D- BT5OTJ CQ DQ E1Q
COMPOUND DESCRIPTOR : Drug
Mutagen
Reproductive Effector
SYNONYMS/TRADE NAMES :
* Inosine, 6-thio-
* Mercaptopurine ribonucleoside
* Mercaptopurine riboside
* 6-Mercaptopurine riboside
* 6MPR
* 6-MP-riboside
* NSC 4911
* 6H-Purine-6-thione, 1,9-dihydro-9-ribofuranosyl-
* 9H-Purine-6(1H)-thione, 9-ribofuranosyl-
* Ribofuranoside, 9H-purine-6-thiol-9
* Ribosyl-6-thiopurine
* Thioinosine
*** 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 : 900 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NIIRDN Drugs in Japan (Ethical Drugs). (Yakugyo Jiho Co., Ltd., Tokyo,
Japan) Volume(issue)/page/year: 6,853,1982
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 1240 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NIIRDN Drugs in Japan (Ethical Drugs). (Yakugyo Jiho Co., Ltd., Tokyo,
Japan) Volume(issue)/page/year: 6,853,1982
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 1180 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NIIRDN Drugs in Japan (Ethical Drugs). (Yakugyo Jiho Co., Ltd., Tokyo,
Japan) Volume(issue)/page/year: 6,853,1982
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 5 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180,
Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 6,1275,1972
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 490 mg/kg
TOXIC EFFECTS :
Tumorigenic - active as anti-cancer agent
REFERENCE :
CPBTAL Chemical and Pharmaceutical Bulletin. (Japan Pub. Trading Co., USA,
1255 Howard St., San Francisco, CA 94103) V.6- 1958-
Volume(issue)/page/year: 16,2080,1968
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 1840 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NIIRDN Drugs in Japan (Ethical Drugs). (Yakugyo Jiho Co., Ltd., Tokyo,
Japan) Volume(issue)/page/year: 6,853,1982
TYPE OF TEST : LD10 - Lethal Dose
ROUTE OF EXPOSURE : Unreported
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 250 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
PMDCAY Progress in Medical Chemistry. (Elsevier Science Pub. Co., Inc., 52
Vanderbilt Ave., New York, NY 10017) V.1- 1961- Volume(issue)/page/year:
7,69,1970
** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 1850 mg/kg/5D-I
TOXIC EFFECTS :
Related to Chronic Data - death
REFERENCE :
CPBTAL Chemical and Pharmaceutical Bulletin. (Japan Pub. Trading Co., USA,
1255 Howard St., San Francisco, CA 94103) V.6- 1958-
Volume(issue)/page/year: 16,2080,1968
** REPRODUCTIVE DATA **
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - rat
DOSE : 62500 ug/kg
SEX/DURATION : female 11 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - craniofacial
(including nose and tongue)
Reproductive - Specific Developmental Abnormalities - musculoskeletal system
Reproductive - Specific Developmental Abnormalities - urogenital system
REFERENCE :
ARPAAQ Archives of Pathology. (Chicago, IL) V.5(3)-50(3), 1928-50;
V.70-99, 1960-75. For publisher information, see APLMAS.
Volume(issue)/page/year: 86,395,1968
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - rat
DOSE : 62500 ug/kg
SEX/DURATION : female 11 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Embryo or Fetus - fetal death
REFERENCE :
ARPAAQ Archives of Pathology. (Chicago, IL) V.5(3)-50(3), 1928-50;
V.70-99, 1960-75. For publisher information, see APLMAS.
Volume(issue)/page/year: 86,395,1968
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - mouse
DOSE : 30 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 - Effects on Embryo or Fetus - fetal death
REFERENCE :
NSAPCC Naunyn-Schmiedeberg's Archives of Pharmacology. (Springer Verlag,
Heidelberger, Pl. 3, D-1000 Berlin 33, Fed. Rep. Ger.) V.272- 1972-
Volume(issue)/page/year: 298,93,1977
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - mouse
DOSE : 15 mg/kg
SEX/DURATION : female 10 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - craniofacial
(including nose and tongue)
Reproductive - Specific Developmental Abnormalities - musculoskeletal system
REFERENCE :
NSAPCC Naunyn-Schmiedeberg's Archives of Pharmacology. (Springer Verlag,
Heidelberger, Pl. 3, D-1000 Berlin 33, Fed. Rep. Ger.) V.272- 1972-
Volume(issue)/page/year: 298,93,1977
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Intravenous
SPECIES OBSERVED : Rodent - mouse
DOSE : 15 mg/kg
SEX/DURATION : female 10 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - musculoskeletal system
Reproductive - Specific Developmental Abnormalities - other developmental
abnormalities
REFERENCE :
TJADAB Teratology, The International Journal of Abnormal Development. (Alan
R. Liss, Inc., 41 E. 11th St., New York, NY 10003) V.1- 1968-
Volume(issue)/page/year: 15,137,1977
** MUTATION DATA **
TYPE OF TEST : Sister chromatid exchange
TEST SYSTEM : Human Lymphocyte
DOSE/DURATION : 100 nmol/L
REFERENCE :
CTRRDO Cancer Treatment Reports. (Washington, DC) V.60-71, 1976-87. For
publisher information, see JNCIEQ. Volume(issue)/page/year: 69,505,1985
*** END OF RECORD ***