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Merck
CN

N158

Naftopidil hydrochloride hydrate

solid

Synonym(s):

4-(2-Methoxyphenyl)-α-[(1-naphthalenyloxy)methyl]-1-piperazineethanol hydrochloride hydrate, KT-611

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About This Item

Empirical Formula (Hill Notation):
C24H28N2O3 · xHCl · yH2O
CAS Number:
57149-07-2
Molecular Weight:
392.49 (anhydrous free base basis)
NACRES:
NA.77
PubChem Substance ID:
24277790
UNSPSC Code:
12352200
MDL number:
MFCD11046013

Key Documents

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InChI key

INIDYCYXDNFBSV-UHFFFAOYSA-N

SMILES string

O.Cl.COc1ccccc1N2CCN(CC2)CC(O)COc3cccc4ccccc34

InChI

1S/C24H28N2O3.ClH.H2O/c1-28-24-11-5-4-10-22(24)26-15-13-25(14-16-26)17-20(27)18-29-23-12-6-8-19-7-2-3-9-21(19)23;;/h2-12,20,27H,13-18H2,1H3;1H;1H2

form

solid

color

white

solubility

methanol: >10 mg/mL, H2O: insoluble

Quality Level

200

Gene Information

human ... ADRA1A(148), ADRA1B(147), ADRA1D(146)

Biochem/physiol Actions

α1-Adrenoceptor antagonist; antihypertensive.

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
0000329566
0000329583
0000329583
0000329566
SLCM9335

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Yasuo Tsuzaka et al.
International journal of urology : official journal of the Japanese Urological Association, 18(11), 792-795 (2011-09-16)
The aim of the present study was to compare the efficacy of the selective α(1D) -adrenoceptor antagonist naftopidil and the selective α(1A) -adrenoceptor antagonist silodosin (as an example) in the management of ureteral stones in Japanese male patients. A total
G Sponer et al.
Journal of cardiovascular pharmacology, 20(6), 1006-1013 (1992-12-01)
The interaction of naftopidil with adrenoceptors was studied in comparison to standard drugs. Naftopidil binds specifically to alpha 1-adrenoceptors. The Ki values are 58.3 nM for naftopidil, 0.43 nM for prazosin, and 197 nM for urapidil. The affinities of naftopidil
S Yamada et al.
Life sciences, 50(2), 127-135 (1992-01-01)
Binding properties of naftopidil and alpha 1-adrenoceptor antagonists to alpha-adrenoceptors in prostates from benign prostatic hypertrophy (BPH) were characterized by radioreceptor assays using [3H]prazosin and [3H]rauwolscine. Specific binding of [3H]prazosin and [3H]rauwolscine in human prostatic membranes was saturable and of
Hideyasu Tsumura et al.
International journal of radiation oncology, biology, physics, 81(4), e385-e392 (2011-06-15)
To compare the efficacy of three α(1A)/α(1D)-adrenoceptor (AR) antagonists--naftopidil, tamsulosin, and silodosin--that have differing affinities for the α(1)-AR subtypes in treating urinary morbidities in Japanese men with (125)I prostate implantation (PI) for prostate cancer. This single-institution prospective randomized controlled trial
Teruhiko Yokoyama et al.
International journal of urology : official journal of the Japanese Urological Association, 18(3), 225-230 (2011-01-29)
The aim of the present study was to explore the effects of three different types of alpha-1 adrenoceptor blockers (α1-blocker) on lower urinary tract symptoms (LUTS), erectile dysfunction (ED) and ejaculatory dysfunction (EjD) in patients with benign prostatic hyperplasia. A
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