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134308-13-7

134308-13-7 structure
134308-13-7 structure
  • Name: Tolcapone
  • Chemical Name: (3,4-dihydroxy-5-nitrophenyl)-(4-methylphenyl)methanone
  • CAS Number: 134308-13-7
  • Molecular Formula: C14H11NO5
  • Molecular Weight: 273.241
  • Catalog: Biochemical Inhibitor Metabolism Transferase inhibitor
  • Create Date: 2018-08-31 01:22:29
  • Modify Date: 2025-08-21 13:39:39
  • Tolcapone(Ro 40-7592) is an orally active selective, potent catechol-O-methyltransferase (COMT) inhibitor. IC50 value:Target: COMTTolcapone inhibits both central and peripheral COMT. Tolcapone caused a rapid and reversible inhibition of COMT activity in erythrocytes in parallel with a dose-dependent decrease in the formation of 3-OMD. Tolcapone increased the area under the concentration-time curve and elimination half-life of levodopa. Tolcapone crosses the blood-brain barrier, and has been used for L-DOPA adjunct therapy in the treatment of Parkinson's disease.
Name (3,4-dihydroxy-5-nitrophenyl)-(4-methylphenyl)methanone
Synonyms UNII-CIF6334OLY
1-(3,4-dihydroxy-5-nitrophenyl)-1-(4-methylphenyl)methanone
tolcapone
Methanone, (3,4-dihydroxy-5-nitrophenyl)(4-methylphenyl)-
tolcapone [INN_en]
3,4-Dihydroxy-4'-methyl-5-nitrobenzophenone
4'-methyl-3,4-dihydroxy-5-nitro-benzophenone
[14C]-Tolcapone
Tasmar (TN)
MFCD00866569
Methanone,(3,4-dihydroxy-5-nitrophenyl)(4-methylphenyl)
Tasmar
(3,4-Dihydroxy-5-nitrophenyl)(4-methylphenyl)methanone
Ro 40-7592
Description Tolcapone(Ro 40-7592) is an orally active selective, potent catechol-O-methyltransferase (COMT) inhibitor. IC50 value:Target: COMTTolcapone inhibits both central and peripheral COMT. Tolcapone caused a rapid and reversible inhibition of COMT activity in erythrocytes in parallel with a dose-dependent decrease in the formation of 3-OMD. Tolcapone increased the area under the concentration-time curve and elimination half-life of levodopa. Tolcapone crosses the blood-brain barrier, and has been used for L-DOPA adjunct therapy in the treatment of Parkinson's disease.
Related Catalog
References

[1]. Neil E. Paterson, Jennifer Ricciardi, Caitlin Wetzler, et al. Sub-optimal performance in the 5-choice serial reaction time task in rats was sensitive to methylphenidate, atomoxetine and d-amphetamine, but unaffected by the COMT inhibitor tolcapone. Neuros

[2]. Saviana Di Giovanni, Simona Eleuteri, Katerina E. Paleologou, et al. Entacapone and Tolcapone, Two Catechol O-Methyltransferase Inhibitors, Block Fibril Formation of α-Synuclein and β-Amyloid and Protect against Amyloid-induced Toxicity. The Journal of Bi

[3]. Panos Bitsios, Panos Roussos1. Tolcapone, COMT polymorphisms and pharmacogenomic treatment of schizophrenia. Pharmacogenomics. 2001,12 (4): 559-566.

[4]. M.A. Vieira-Coelho, P. Soares-da-Silva. Ontogenic aspects of liver and kidney catechol-O- methyltransferase sensitivity to tolcapone. British Journal of Pharmacology.1996,117 (3):516-520.

[5]. J. Dingemanse, K. Jorga, G. Zurcher,et al. Pharmacokinetic-pharmacodynamic interaction between the COMT inhibitor tolcapone and single-dose levodopa. British Journal of Clinical Pharmacology 1995, 40 (3):253-262.

Density 1.4±0.1 g/cm3
Boiling Point 485.6±45.0 °C at 760 mmHg
Melting Point 126-128ºC
Molecular Formula C14H11NO5
Molecular Weight 273.241
Flash Point 205.7±17.2 °C
Exact Mass 273.063721
PSA 103.35000
LogP 4.07
Vapour Pressure 0.0±1.3 mmHg at 25°C
Index of Refraction 1.661
Storage condition -20°C Freezer

CHEMICAL IDENTIFICATION

RTECS NUMBER :
PC4952500
CHEMICAL NAME :
Methanone, (3,4-dihydroxy-5-nitrophenyl)(4-methylphenyl)-
CAS REGISTRY NUMBER :
134308-13-7
LAST UPDATED :
199709
DATA ITEMS CITED :
8
MOLECULAR FORMULA :
C14-H11-N-O5
MOLECULAR WEIGHT :
273.26

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 :
>2 gm/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - ataxia Lungs, Thorax, or Respiration - respiratory depression
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: 24(Suppl 10),S1513,199
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
1600 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - ataxia Lungs, Thorax, or Respiration - respiratory depression
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: 24(Suppl 10),S1513,199 ** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
9300 mg/kg/4W-I
TOXIC EFFECTS :
Liver - changes in liver weight Related to Chronic Data - death
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: 24(Suppl 10),S1521,199
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
91 gm/kg/26W-C
TOXIC EFFECTS :
Nutritional and Gross Metabolic - weight loss or decreased weight gain
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: 24(Suppl 10),S1557,199
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Mammal - dog
DOSE/DURATION :
1120 mg/kg/4W-I
TOXIC EFFECTS :
Gastrointestinal - alteration in gastric secretion Kidney, Ureter, Bladder - other changes
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: 24(Suppl 10),S1537,199
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Mammal - dog
DOSE/DURATION :
25830 mg/kg/26W-I
TOXIC EFFECTS :
Gastrointestinal - hypermotility, diarrhea 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: 24(Suppl 10),S1585,199
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Mammal - dog
DOSE/DURATION :
1760 mg/kg/15D-I
TOXIC EFFECTS :
Gastrointestinal - hypermotility, diarrhea 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: 24(Suppl 10),S1513,199 ** REPRODUCTIVE DATA **
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
3 gm/kg
SEX/DURATION :
female 6-15 day(s) after conception
TOXIC EFFECTS :
Reproductive - Maternal Effects - other effects
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: 24(Suppl 10),S1631,199
Symbol GHS09
GHS09
Signal Word Warning
Hazard Statements H400
Precautionary Statements P273
Hazard Codes N
Risk Phrases 50
Safety Phrases 61
RIDADR UN 3077 9 / PGIII
RTECS PC4952500
Precursor  1

DownStream  0

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