1. Metabolic Enzyme/Protease
  2. 5 alpha Reductase
  3. LY191704

LY191704, as a benzoquinolinone, is a potent, nonsteroidal, noncompetitive and selective human type I 5α-reductase inhibitor. LY191704 is a racemic mixture of the compounds LY300502 and LY300503. LY191704 may be useful in the research of human endocrine disorders associated with overproduction of dihydrotestosterone (DHT) by 5α-reductase type 1.

For research use only. We do not sell to patients.

LY191704 Chemical Structure

LY191704 Chemical Structure

CAS No. : 146117-78-4

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Description

LY191704, as a benzoquinolinone, is a potent, nonsteroidal, noncompetitive and selective human type I 5α-reductase inhibitor. LY191704 is a racemic mixture of the compounds LY300502 and LY300503. LY191704 may be useful in the research of human endocrine disorders associated with overproduction of dihydrotestosterone (DHT) by 5α-reductase type 1[1][2].

IC50 & Target

Human Type I 5α-Reductase[1][2]

In Vitro

LY191704 (0.001-100 uM) inhibits the conversion of testosterone to DHT with an IC50 of 10 nM in Hs68 cells. LY191704 inhibits the enzyme expressed by the human cells with an IC50 of 12 nM but is virtually inactive against the 5α-reductase expressed by rat prostate cells. LY191704 is a potent and specific inhibitor of human 5α-reductase type 1 but had little or no activity against human 5α-reductase type 2 or rat 5α-reductase type 1. A Ki value of 17.1 μM is determined for the human type 2 enzyme, indicating that LY191704 demonstrates an 5000-fold selectivity for the human type 1 isozyme[2].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

In Vivo

LY191704 (10, 30, or 100 mg/kg; p.o.; 1 month) increases plasma concentrations[1].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

Animal Model: Rats[1]
Dosage: 10, 30, or 100 mg/kg
Administration: P.o.; 1 month
Result: Increased plasma concentrations.
Molecular Weight

249.74

Formula

C14H16ClNO

CAS No.
SMILES

CN1[C@@]2([H])[C@@](CCC1=O)([H])C3=CC=C(Cl)C=C3CC2.[Relative stereochemistry]

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Room temperature in continental US; may vary elsewhere.

Storage

Please store the product under the recommended conditions in the Certificate of Analysis.

Purity & Documentation
References
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LY191704 Related Classifications

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    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

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LY191704
Cat. No.:
HY-118091
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