6-Phthalazinecarboxylicacid, 3,4-dihydro-1-(hydroxymethyl)-5,7-dimethyl-4-oxo-, ethyl ester
Names
[ CAS No. ]:
56611-65-5
[ Name ]:
6-Phthalazinecarboxylicacid, 3,4-dihydro-1-(hydroxymethyl)-5,7-dimethyl-4-oxo-, ethyl ester
[Synonym ]:
OXAGRELATE
EG 626
1-hydroxymethyl-5,7-dimethyl-4-oxo-3,4-dihydro-phthalazine-6-carboxylic acid ethyl ester
Phthalazinol (phosphodiesterase inhibitor)
Oxagrelatum [INN-Latin]
3,4 dihydro 1 (hydroxymethyl) 5,7 dimethyl 4 oxo 6 phthalazinecarboxylic acid ethyl ester
Oxagrelato [INN-Spanish]
Phthalazinol
Chemical & Physical Properties
[ Density]:
1.34g/cm3
[ Molecular Formula ]:
C14H16N2O4
[ Molecular Weight ]:
276.28800
[ Exact Mass ]:
276.11100
[ PSA ]:
92.28000
[ LogP ]:
1.20890
[ Index of Refraction ]:
1.609
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- TH8849440
- CHEMICAL NAME :
- 6-Phthalazinecarboxylic acid, 3,4-dihydro-1-(hydroxymethyl)-5,7-dimethyl-4-oxo-, ethyl ester
- CAS REGISTRY NUMBER :
- 56611-65-5
- BEILSTEIN REFERENCE NO. :
- 0811823
- LAST UPDATED :
- 199703
- DATA ITEMS CITED :
- 16
- MOLECULAR FORMULA :
- C14-H16-N2-O4
- MOLECULAR WEIGHT :
- 276.32
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 :
- 1750 mg/kg
- TOXIC EFFECTS :
- Sense Organs and Special Senses (Eye) - ptosis Behavioral - convulsions or effect on seizure threshold Behavioral - ataxia
- REFERENCE :
- KSRNAM Kiso to Rinsho. Clinical Report. (Yubunsha Co., Ltd., 1-5, Kanda Suda-Cho, Chiyoda-ku, KS Bldg., Tokyo 101, Japan) V.1- 1960- Volume(issue)/page/year: 16,6247,1982
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 570 mg/kg
- TOXIC EFFECTS :
- Sense Organs and Special Senses (Eye) - ptosis Behavioral - convulsions or effect on seizure threshold Behavioral - ataxia
- REFERENCE :
- KSRNAM Kiso to Rinsho. Clinical Report. (Yubunsha Co., Ltd., 1-5, Kanda Suda-Cho, Chiyoda-ku, KS Bldg., Tokyo 101, Japan) V.1- 1960- Volume(issue)/page/year: 16,6247,1982
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 1850 mg/kg
- TOXIC EFFECTS :
- Sense Organs and Special Senses (Eye) - ptosis Behavioral - convulsions or effect on seizure threshold Behavioral - ataxia
- REFERENCE :
- KSRNAM Kiso to Rinsho. Clinical Report. (Yubunsha Co., Ltd., 1-5, Kanda Suda-Cho, Chiyoda-ku, KS Bldg., Tokyo 101, Japan) V.1- 1960- Volume(issue)/page/year: 16,6247,1982
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 780 mg/kg
- TOXIC EFFECTS :
- Sense Organs and Special Senses (Eye) - ptosis Behavioral - convulsions or effect on seizure threshold Behavioral - ataxia
- REFERENCE :
- KSRNAM Kiso to Rinsho. Clinical Report. (Yubunsha Co., Ltd., 1-5, Kanda Suda-Cho, Chiyoda-ku, KS Bldg., Tokyo 101, Japan) V.1- 1960- Volume(issue)/page/year: 16,6247,1982
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- 1020 mg/kg
- TOXIC EFFECTS :
- Sense Organs and Special Senses (Eye) - ptosis Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold
- REFERENCE :
- KSRNAM Kiso to Rinsho. Clinical Report. (Yubunsha Co., Ltd., 1-5, Kanda Suda-Cho, Chiyoda-ku, KS Bldg., Tokyo 101, Japan) V.1- 1960- Volume(issue)/page/year: 16,6247,1982
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- 700 mg/kg
- TOXIC EFFECTS :
- Sense Organs and Special Senses (Eye) - ptosis Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold
- REFERENCE :
- KSRNAM Kiso to Rinsho. Clinical Report. (Yubunsha Co., Ltd., 1-5, Kanda Suda-Cho, Chiyoda-ku, KS Bldg., Tokyo 101, Japan) V.1- 1960- Volume(issue)/page/year: 16,6247,1982 ** OTHER MULTIPLE DOSE TOXICITY DATA **
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 134 gm/kg/13W-I
- TOXIC EFFECTS :
- Liver - other changes Endocrine - other changes Blood - changes in spleen
- REFERENCE :
- KSRNAM Kiso to Rinsho. Clinical Report. (Yubunsha Co., Ltd., 1-5, Kanda Suda-Cho, Chiyoda-ku, KS Bldg., Tokyo 101, Japan) V.1- 1960- Volume(issue)/page/year: 16,6251,1982
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 153600 mg/kg/32W-I
- TOXIC EFFECTS :
- Liver - other changes Kidney, Ureter, Bladder - other changes Blood - changes in spleen
- REFERENCE :
- KSRNAM Kiso to Rinsho. Clinical Report. (Yubunsha Co., Ltd., 1-5, Kanda Suda-Cho, Chiyoda-ku, KS Bldg., Tokyo 101, Japan) V.1- 1960- Volume(issue)/page/year: 16,6275,1982
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Mammal - dog
- DOSE/DURATION :
- 73 gm/kg/1Y-I
- TOXIC EFFECTS :
- Cardiac - pulse rate increase, without fall in BP Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - phosphatases Related to Chronic Data - death
- REFERENCE :
- TOXID9 Toxicologist. (Soc. of Toxicology, Inc., 475 Wolf Ledge Parkway, Akron, OH 44311) V.1- 1981- Volume(issue)/page/year: 6,202,1986
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Mammal - dog
- DOSE/DURATION :
- 31200 mg/kg/13W-I
- TOXIC EFFECTS :
- Behavioral - food intake (animal) Cardiac - other changes Cardiac - changes in heart weight
- REFERENCE :
- KSRNAM Kiso to Rinsho. Clinical Report. (Yubunsha Co., Ltd., 1-5, Kanda Suda-Cho, Chiyoda-ku, KS Bldg., Tokyo 101, Japan) V.1- 1960- Volume(issue)/page/year: 16,6291,1982 ** REPRODUCTIVE DATA **
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 8800 mg/kg
- SEX/DURATION :
- female 7-17 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 Reproductive - Specific Developmental Abnormalities - musculoskeletal system
- REFERENCE :
- KSRNAM Kiso to Rinsho. Clinical Report. (Yubunsha Co., Ltd., 1-5, Kanda Suda-Cho, Chiyoda-ku, KS Bldg., Tokyo 101, Japan) V.1- 1960- Volume(issue)/page/year: 16,6365,1982
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 8800 mg/kg
- SEX/DURATION :
- female 7-17 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Specific Developmental Abnormalities - cardiovascular (circulatory) system Reproductive - Specific Developmental Abnormalities - urogenital system Reproductive - Specific Developmental Abnormalities - homeostasis
- REFERENCE :
- KSRNAM Kiso to Rinsho. Clinical Report. (Yubunsha Co., Ltd., 1-5, Kanda Suda-Cho, Chiyoda-ku, KS Bldg., Tokyo 101, Japan) V.1- 1960- Volume(issue)/page/year: 16,6365,1982
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 8800 mg/kg
- SEX/DURATION :
- female 7-17 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Effects on Newborn - viability index (e.g., # alive at day 4 per # born alive) Reproductive - Effects on Newborn - weaning or lactation index (e.g., # alive at weaning per # alive at day 4) Reproductive - Effects on Newborn - behavioral
- REFERENCE :
- KSRNAM Kiso to Rinsho. Clinical Report. (Yubunsha Co., Ltd., 1-5, Kanda Suda-Cho, Chiyoda-ku, KS Bldg., Tokyo 101, Japan) V.1- 1960- Volume(issue)/page/year: 16,6365,1982
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 8800 mg/kg
- SEX/DURATION :
- multigenerations
- TOXIC EFFECTS :
- Reproductive - Fertility - mating performance (e.g. # sperm positive females per # females mated; # copulations per # estrus cycles)
- REFERENCE :
- KSRNAM Kiso to Rinsho. Clinical Report. (Yubunsha Co., Ltd., 1-5, Kanda Suda-Cho, Chiyoda-ku, KS Bldg., Tokyo 101, Japan) V.1- 1960- Volume(issue)/page/year: 16,6365,1982
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 2600 mg/kg
- SEX/DURATION :
- female 6-18 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 Reproductive - Specific Developmental Abnormalities - musculoskeletal system
- REFERENCE :
- KSRNAM Kiso to Rinsho. Clinical Report. (Yubunsha Co., Ltd., 1-5, Kanda Suda-Cho, Chiyoda-ku, KS Bldg., Tokyo 101, Japan) V.1- 1960- Volume(issue)/page/year: 16,6389,1982
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 5200 mg/kg
- SEX/DURATION :
- female 6-18 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Specific Developmental Abnormalities - cardiovascular (circulatory) system Reproductive - Specific Developmental Abnormalities - respiratory system Reproductive - Specific Developmental Abnormalities - other developmental abnormalities
- REFERENCE :
- KSRNAM Kiso to Rinsho. Clinical Report. (Yubunsha Co., Ltd., 1-5, Kanda Suda-Cho, Chiyoda-ku, KS Bldg., Tokyo 101, Japan) V.1- 1960- Volume(issue)/page/year: 16,6389,1982
Synthetic Route
Precursor & DownStream
Precursor
DownStream
Related Compounds
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