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99522-79-9

99522-79-9 structure
99522-79-9 structure
  • Name: Pranidipine
  • Chemical Name: 3-O-methyl 5-O-[(E)-3-phenylprop-2-enyl] 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate
  • CAS Number: 99522-79-9
  • Molecular Formula: C25H24N2O6
  • Molecular Weight: 448.468
  • Create Date: 2018-04-26 08:00:00
  • Modify Date: 2025-08-23 17:19:20
  • Pranidipine (OPC-13340) is a potent, long acting 1,4-dihydropyridine calcium channel blocker with antihypertensive activity[1].
Name 3-O-methyl 5-O-[(E)-3-phenylprop-2-enyl] 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate
Synonyms 3,5-Pyridinedicarboxylic acid, 1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-, methyl (2E)-3-phenyl-2-propen-1-yl ester
methyl (2E)-3-phenylprop-2-en-1-yl 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate
UNII:9DES9QVH58
Pranidipine
FRC 8411
(E)-Cinnamyl Methyl (±)-1,4-dihydro-2,6-dimethyl-4-(m-nitrophenyl)-3,5-pyridinedicarboxylate
Methyl (2E)-3-phenyl-2-propen-1-yl 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydro-3,5-pyridinedicarboxylate
Description Pranidipine (OPC-13340) is a potent, long acting 1,4-dihydropyridine calcium channel blocker with antihypertensive activity[1].
Target

Calcium channel[1]

References

[1]. Nakayama N, et al. Antihypertensive activity of OPC-13340, a new potent and long-acting dihydropyridine calcium antagonist, in rats. J Cardiovasc Pharmacol. 1990 May;15(5):836-44.
Density 1.3±0.1 g/cm3
Boiling Point 618.9±55.0 °C at 760 mmHg
Melting Point 140-142ºC
Molecular Formula C25H24N2O6
Molecular Weight 448.468
Flash Point 328.1±31.5 °C
Exact Mass 448.163422
PSA 110.45000
LogP 5.35
Vapour Pressure 0.0±1.8 mmHg at 25°C
Index of Refraction 1.606

CHEMICAL IDENTIFICATION

RTECS NUMBER :
US7975680
CHEMICAL NAME :
3,5-Pyridinedicarboxylic acid, 1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-, methyl 3- phenyl-2-propenyl ester, (E)-
CAS REGISTRY NUMBER :
99522-79-9
LAST UPDATED :
199703
DATA ITEMS CITED :
15
MOLECULAR FORMULA :
C25-H24-N2-O6
MOLECULAR WEIGHT :
448.51

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 :
2968 mg/kg
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - effect, not otherwise specified Behavioral - somnolence (general depressed activity) Nutritional and Gross Metabolic - body temperature decrease
REFERENCE :
YACHDS Yakuri to Chiryo. Pharmacology and Therapeutics. (Raifu Saiensu Shuppan K.K., 2-5-13, Yaesu, Chuo-ku, Tokyo 104, Japan) V.1- 1972- Volume(issue)/page/year: 21,1245,1993
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
166 mg/kg
TOXIC EFFECTS :
Gastrointestinal - hypermotility, diarrhea Blood - normocytic anemia Nutritional and Gross Metabolic - body temperature decrease
REFERENCE :
YACHDS Yakuri to Chiryo. Pharmacology and Therapeutics. (Raifu Saiensu Shuppan K.K., 2-5-13, Yaesu, Chuo-ku, Tokyo 104, Japan) V.1- 1972- Volume(issue)/page/year: 21,1245,1993
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
1670 mg/kg
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - ptosis Skin and Appendages - dermatitis, other (after systemic exposure) Nutritional and Gross Metabolic - body temperature decrease
REFERENCE :
YACHDS Yakuri to Chiryo. Pharmacology and Therapeutics. (Raifu Saiensu Shuppan K.K., 2-5-13, Yaesu, Chuo-ku, Tokyo 104, Japan) V.1- 1972- Volume(issue)/page/year: 21,1245,1993
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
2551 mg/kg
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - ptosis Blood - normocytic anemia Nutritional and Gross Metabolic - body temperature decrease
REFERENCE :
YACHDS Yakuri to Chiryo. Pharmacology and Therapeutics. (Raifu Saiensu Shuppan K.K., 2-5-13, Yaesu, Chuo-ku, Tokyo 104, Japan) V.1- 1972- Volume(issue)/page/year: 21,1245,1993
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
81 mg/kg
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - lacrimation Blood - normocytic anemia Nutritional and Gross Metabolic - body temperature decrease
REFERENCE :
YACHDS Yakuri to Chiryo. Pharmacology and Therapeutics. (Raifu Saiensu Shuppan K.K., 2-5-13, Yaesu, Chuo-ku, Tokyo 104, Japan) V.1- 1972- Volume(issue)/page/year: 21,1245,1993
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
>5 gm/kg
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - ptosis Skin and Appendages - hair
REFERENCE :
YACHDS Yakuri to Chiryo. Pharmacology and Therapeutics. (Raifu Saiensu Shuppan K.K., 2-5-13, Yaesu, Chuo-ku, Tokyo 104, Japan) V.1- 1972- Volume(issue)/page/year: 21,1245,1993
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
>150 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
USXXAM United States Patent Document. (U.S. Patent Office, Box 9, Washington, DC 20231) Volume(issue)/page/year: #4672068
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Mammal - dog
DOSE/DURATION :
>2 gm/kg
TOXIC EFFECTS :
Gastrointestinal - nausea or vomiting
REFERENCE :
YACHDS Yakuri to Chiryo. Pharmacology and Therapeutics. (Raifu Saiensu Shuppan K.K., 2-5-13, Yaesu, Chuo-ku, Tokyo 104, Japan) V.1- 1972- Volume(issue)/page/year: 21,1245,1993 ** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
2700 mg/kg/90D-I
TOXIC EFFECTS :
Cardiac - changes in heart weight Kidney, Ureter, Bladder - changes in bladder weight Nutritional and Gross Metabolic - changes in chlorine
REFERENCE :
YACHDS Yakuri to Chiryo. Pharmacology and Therapeutics. (Raifu Saiensu Shuppan K.K., 2-5-13, Yaesu, Chuo-ku, Tokyo 104, Japan) V.1- 1972- Volume(issue)/page/year: 21,1255,1993
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
3650 mg/kg/1Y-I
TOXIC EFFECTS :
Blood - other changes Nutritional and Gross Metabolic - changes in calcium Related to Chronic Data - changes in uterine weight
REFERENCE :
YACHDS Yakuri to Chiryo. Pharmacology and Therapeutics. (Raifu Saiensu Shuppan K.K., 2-5-13, Yaesu, Chuo-ku, Tokyo 104, Japan) V.1- 1972- Volume(issue)/page/year: 21,1327,1993
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Mammal - dog
DOSE/DURATION :
2275 mg/kg/13W-I
TOXIC EFFECTS :
Liver - changes in liver weight Kidney, Ureter, Bladder - urine volume increased Nutritional and Gross Metabolic - changes in chlorine
REFERENCE :
YACHDS Yakuri to Chiryo. Pharmacology and Therapeutics. (Raifu Saiensu Shuppan K.K., 2-5-13, Yaesu, Chuo-ku, Tokyo 104, Japan) V.1- 1972- Volume(issue)/page/year: 21,1277,1993
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Mammal - dog
DOSE/DURATION :
2190 mg/kg/1Y-I
TOXIC EFFECTS :
Cardiac - changes in heart weight Endocrine - changes in spleen weight
REFERENCE :
YACHDS Yakuri to Chiryo. Pharmacology and Therapeutics. (Raifu Saiensu Shuppan K.K., 2-5-13, Yaesu, Chuo-ku, Tokyo 104, Japan) V.1- 1972- Volume(issue)/page/year: 21,1345,1993 ** REPRODUCTIVE DATA **
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
8400 mg/kg
SEX/DURATION :
male 9 week(s) pre-mating female 2 week(s) pre-mating - 7 day(s) after conception
TOXIC EFFECTS :
Reproductive - Fertility - pre-implantation mortality (e.g. reduction in number of implants per female; total number of implants per corpora lutea) Reproductive - Specific Developmental Abnormalities - musculoskeletal system
REFERENCE :
YACHDS Yakuri to Chiryo. Pharmacology and Therapeutics. (Raifu Saiensu Shuppan K.K., 2-5-13, Yaesu, Chuo-ku, Tokyo 104, Japan) V.1- 1972- Volume(issue)/page/year: 21,1375,1993
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
75 mg/kg
SEX/DURATION :
female 17-20 day(s) after conception lactating female 21 day(s) post-birth
TOXIC EFFECTS :
Reproductive - Maternal Effects - menstrual cycle changes or disorders Reproductive - Effects on Newborn - stillbirth Reproductive - Effects on Newborn - sex ratio
REFERENCE :
YACHDS Yakuri to Chiryo. Pharmacology and Therapeutics. (Raifu Saiensu Shuppan K.K., 2-5-13, Yaesu, Chuo-ku, Tokyo 104, Japan) V.1- 1972- Volume(issue)/page/year: 21,1415,1993
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
13 gm/kg
SEX/DURATION :
female 6-18 day(s) after conception
TOXIC EFFECTS :
Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants) Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus) Reproductive - Specific Developmental Abnormalities - musculoskeletal system
REFERENCE :
YACHDS Yakuri to Chiryo. Pharmacology and Therapeutics. (Raifu Saiensu Shuppan K.K., 2-5-13, Yaesu, Chuo-ku, Tokyo 104, Japan) V.1- 1972- Volume(issue)/page/year: 21,1405,1993
Hazard Codes Xi
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