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L131

Sigma-Aldrich

L-745,870 hydrochloride

Synonym(s):

3-[[4-(4-Chlorophenyl)piperazin-1-yl]methyl]-1H-pyrrolo[2,3-b]pyridine hydrochloride

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About This Item

Empirical Formula (Hill Notation):
C18H19ClN4 · HCl
CAS Number:
1173023-36-3
Molecular Weight:
363.28
MDL number:
MFCD01529971
UNSPSC Code:
12352200
PubChem Substance ID:
24277918
NACRES:
NA.77

form

solid

color

white

solubility

H2O: 0.2 mg/mL
ethanol: 1.4 mg/mL
0.1 M HCl: 5.5 mg/mL

SMILES string

Cl.Clc1ccc(cc1)N2CCN(CC2)Cc3c[nH]c4ncccc34

InChI

1S/C18H19ClN4.ClH/c19-15-3-5-16(6-4-15)23-10-8-22(9-11-23)13-14-12-21-18-17(14)2-1-7-20-18;/h1-7,12H,8-11,13H2,(H,20,21);1H

InChI key

GFFJYISJZJIKAF-UHFFFAOYSA-N

Gene Information

human ... DRD4(1815)

Biochem/physiol Actions

Selective D4 dopamine receptor antagonist.

Features and Benefits

This compound is featured on the Dopamine Receptors page of the Handbook of Receptor Classification and Signal Transduction. To browse other handbook pages, click here.

Legal Information

Manufactured and sold under license from Merck & Co., Inc., Kenilworth, NJ, U.S. for use solely for preclinical researchy purposes (i.e., not for the administration to or other use in humans).

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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S Patel et al.
The Journal of pharmacology and experimental therapeutics, 283(2), 636-647 (1997-11-14)
L-745,870,(3-([4-(4-chlorophenyl)piperazin-1-yl]methyl)-1H- pyrollo[2,3-b] pyridine, was identified as a selective dopamine D4 receptor antagonist with excellent oral bioavailability and brain penetration. L-745,870 displaced specific binding of 0.2 nM [3H] spiperone to cloned human dopamine D4 receptors with a binding affinity (Ki) of

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