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Merck
CN

C0424

PK 11195

peripheral benzodiazepine antagonist, powder

Synonym(s):

1-(2-Chlorophenyl)-N-methyl-N-(1-methylpropyl)-3-isoquinolinecarboxamide

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About This Item

Empirical Formula (Hill Notation):
C21H21ClN2O
CAS Number:
85532-75-8
Molecular Weight:
352.86
UNSPSC Code:
12352200
PubChem Substance ID:
24278822
NACRES:
NA.77
MDL number:
MFCD00069334

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Product Name

PK 11195,

SMILES string

CCC(C)N(C)C(=O)c1cc2ccccc2c(n1)-c3ccccc3Cl

InChI

1S/C21H21ClN2O/c1-4-14(2)24(3)21(25)19-13-15-9-5-6-10-16(15)20(23-19)17-11-7-8-12-18(17)22/h5-14H,4H2,1-3H3

InChI key

RAVIZVQZGXBOQO-UHFFFAOYSA-N

form

powder

Quality Level

200

Gene Information

human ... BZRAP1(9256), TSPO(706)
rat ... Gabra2(29706), Tspo(24230)

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Application

PK 11195 has been used as an inhibitor of peripheral benzodiazepine receptor (PBR) homologs in primitive erythrocytes of embryos and in osteosarcoma cytoplasmic hydrids. It has also been used as an unlabelled competitive binder in in vitro autoradiography experiments in cardiac tissue sections.

Biochem/physiol Actions

PK 11195 is a peripheral benzodiazepine antagonist. It is also an antagonist for human constitutive androstane receptor (hCAR) and human pregnane X receptor (PXR). In human primary hepatocytes, PK 11195 upon demethylation elicits agonist functionality towards the receptor hCAR. PK 11195 also antagonise B-cell lymphoma 2 (Bcl-2) and may serve as a potential compound for mitochondrial targeting therapies and in the treatment of cholangiocarcinoma.

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
13190107
13190107
0000397927
0000397927
0000200561

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E P Wala et al.
Pharmacological research, 41(4), 461-468 (2000-03-08)
In spite of the extensive use of the peripheral benzodiazepine (BZ) receptor antagonist, PK 11195 (PK), in pharmacological studies, there is a lack of information of its pharmacokinetics in the rat. In this study the pharmacokinetics of PK were determined
Identification of small molecules that improve ATP synthesis defects conferred by Leber's hereditary optic neuropathy mutations
Datta S, et al.
Mitochondrion, 30, 177-186 (2016)
M Okubo et al.
European journal of pharmacology, 359(2-3), 243-249 (1998-12-01)
This study examined the influence of benzodiazepine receptors on amylase release from rat parotid acinar cells. Diazepam (10(-8)-10(-6) M), which is a potent agonist of both central- and peripheral-type benzodiazepine receptors, dose dependently decreased amylase release induced by isoprenaline and
PBRL, a putative peripheral benzodiazepine receptor, in primitive erythropoiesis
Nakazawa F, et al.
Gene Expression Patterns, 9(2), 114-121 (2009)
Eryn L Werry et al.
European journal of pharmaceutical sciences : official journal of the European Federation for Pharmaceutical Sciences, 96, 186-192 (2016-10-28)
The 18kDa translocator protein (TSPO) is a target for novel glioblastoma therapies due to its upregulation in this cancer and relatively low levels of expression in the healthy cortex. The pyrazolo[1,5-a]pyrimidine acetamides, exemplified by DPA-713 and DPA-714, are a class
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