*** CHEMICAL IDENTIFICATION ***
RTECS NUMBER : TK8046000
CHEMICAL NAME : Piperazine,
1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-((tetrahyd
ro-2-furanyl)carbonyl )-, monohydrochloride,
dihydrate
CAS REGISTRY NUMBER : 70024-40-7
LAST UPDATED : 199703
DATA ITEMS CITED : 11
MOLECULAR FORMULA : C19-H25-N5-O4.Cl-H.2H2-O
MOLECULAR WEIGHT : 459.99
COMPOUND DESCRIPTOR : Drug
Reproductive Effector
SYNONYMS/TRADE NAMES :
* 1-(4-Amino-6,7-dimethoxy-2-quinazolinyl)-4-((tetrahydro-2-furanyl)carbon
yl)piperazine HCl 2H2O
* Terazosin hydrochloride dihydrate
*** 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 : 5500 mg/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold
Behavioral - ataxia
Lungs, Thorax, or Respiration - dyspnea
REFERENCE :
NCDREP New Cardiovascular Drugs. (Raven Press, 1185 Ave. of the Americas,
New York, NY 10036) 1985- Volume(issue)/page/year: 4,1,1986
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 1050 mg/kg
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - lacrimation
Behavioral - somnolence (general depressed activity)
Lungs, Thorax, or Respiration - dyspnea
REFERENCE :
IYKEDH Iyakuhin Kenkyu. Study of Medical Supplies. (Nippon Koteisho
Kyokai, 12-15, 2-chome, Shibuya, Shibuya-ku, Tokyo 150, Japan) V.1- 1970-
Volume(issue)/page/year: 18,505,1987
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intravenous
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 255 mg/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold
Behavioral - ataxia
Lungs, Thorax, or Respiration - dyspnea
REFERENCE :
NCDREP New Cardiovascular Drugs. (Raven Press, 1185 Ave. of the Americas,
New York, NY 10036) 1985- Volume(issue)/page/year: 4,1,1986
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : >8 gm/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: -,704,1990
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 956 mg/kg
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - lacrimation
Behavioral - somnolence (general depressed activity)
Lungs, Thorax, or Respiration - dyspnea
REFERENCE :
IYKEDH Iyakuhin Kenkyu. Study of Medical Supplies. (Nippon Koteisho
Kyokai, 12-15, 2-chome, Shibuya, Shibuya-ku, Tokyo 150, Japan) V.1- 1970-
Volume(issue)/page/year: 18,505,1987
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intravenous
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 237 mg/kg
TOXIC EFFECTS :
Behavioral - tremor
Lungs, Thorax, or Respiration - dyspnea
REFERENCE :
IYKEDH Iyakuhin Kenkyu. Study of Medical Supplies. (Nippon Koteisho
Kyokai, 12-15, 2-chome, Shibuya, Shibuya-ku, Tokyo 150, Japan) V.1- 1970-
Volume(issue)/page/year: 18,505,1987
** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 16500 mg/kg/30D-I
TOXIC EFFECTS :
Endocrine - changes in adrenal weight
Endocrine - changes in thymus weight
Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
IYKEDH Iyakuhin Kenkyu. Study of Medical Supplies. (Nippon Koteisho
Kyokai, 12-15, 2-chome, Shibuya, Shibuya-ku, Tokyo 150, Japan) V.1- 1970-
Volume(issue)/page/year: 18,514,1987
** REPRODUCTIVE DATA **
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE : 4200 mg/kg
SEX/DURATION : female 14 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Maternal Effects - parturition
REFERENCE :
IYKEDH Iyakuhin Kenkyu. Study of Medical Supplies. (Nippon Koteisho
Kyokai, 12-15, 2-chome, Shibuya, Shibuya-ku, Tokyo 150, Japan) V.1- 1970-
Volume(issue)/page/year: 18,419,1987
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE : 3300 mg/kg
SEX/DURATION : female 7-17 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Embryo or Fetus - extra-embryonic structures
(e.g., placenta, umbilical cord)
Reproductive - Specific Developmental Abnormalities - musculoskeletal system
REFERENCE :
IYKEDH Iyakuhin Kenkyu. Study of Medical Supplies. (Nippon Koteisho
Kyokai, 12-15, 2-chome, Shibuya, Shibuya-ku, Tokyo 150, Japan) V.1- 1970-
Volume(issue)/page/year: 18,427,1987
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE : 650 mg/kg
SEX/DURATION : female 17-22 day(s) after conception
lactating female 21 day(s) post-birth
TOXIC EFFECTS :
Reproductive - Effects on Newborn - growth statistics (e.g.%, reduced weight
gain)
Reproductive - Effects on Newborn - physical
REFERENCE :
IYKEDH Iyakuhin Kenkyu. Study of Medical Supplies. (Nippon Koteisho
Kyokai, 12-15, 2-chome, Shibuya, Shibuya-ku, Tokyo 150, Japan) V.1- 1970-
Volume(issue)/page/year: 18,622,1987
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE : 5200 mg/kg
SEX/DURATION : female 17-22 day(s) after conception
lactating female 21 day(s) post-birth
TOXIC EFFECTS :
Reproductive - Effects on Newborn - live birth index (measured after birth)
Reproductive - Effects on Newborn - viability index (e.g., # alive at day 4
per # born alive)
Reproductive - Effects on Newborn - physical
REFERENCE :
IYKEDH Iyakuhin Kenkyu. Study of Medical Supplies. (Nippon Koteisho
Kyokai, 12-15, 2-chome, Shibuya, Shibuya-ku, Tokyo 150, Japan) V.1- 1970-
Volume(issue)/page/year: 18,622,1987
*** END OF RECORD ***