*** 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 ***