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P7547

Sigma-Aldrich

Phentolamine hydrochloride

≥98% (TLC), powder

Synonym(s):

2-[N-(3-Hydroxyphenyl)-p-toluidinomethyl]-2-imidazolidine hydrochloride, 3-[[(4,5-Dihydro-1H-imidazol-2-yl)-methyl](4-methylphenyl)-amino]-phenol monohydrochloride

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About This Item

Empirical Formula (Hill Notation):
C17H19N3O · HCl
CAS Number:
Molecular Weight:
317.81
Beilstein:
3764617
EC Number:
MDL number:
UNSPSC Code:
12352116
PubChem Substance ID:
NACRES:
NA.77

Quality Level

Assay

≥98% (TLC)

form

powder

color

white to off-white

solubility

ethanol: 14 mg/mL
H2O: 20 mg/mL
H2O: unstable (prepare immediately prior to use)

originator

Novartis

SMILES string

Cl[H].Cc1ccc(cc1)N(CC2=NCCN2)c3cccc(O)c3

InChI

1S/C17H19N3O.ClH/c1-13-5-7-14(8-6-13)20(12-17-18-9-10-19-17)15-3-2-4-16(21)11-15;/h2-8,11,21H,9-10,12H2,1H3,(H,18,19);1H

InChI key

TUEJFGFQYKDAPM-UHFFFAOYSA-N

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Biochem/physiol Actions

α-adrenoceptor antagonist; peripheral vasodilator.

Features and Benefits

This compound is featured on the Potassium Channels page of the Handbook of Receptor Classification and Signal Transduction. To browse other handbook pages, click here.
This compound was developed by Novartis. To browse the list of other pharma-developed compounds and Approved Drugs/Drug Candidates, click here.

Storage and Stability

Protect From Light.

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Precautionary Statements

Hazard Classifications

Acute Tox. 4 Oral

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

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Wei Zhang et al.
Drug discoveries & therapeutics, 8(1), 11-17 (2014-03-22)
α1-Adrenergic receptors (α1-ARs), as one of the most important members of G protein-coupled receptors (GPCRs), can mediate lots of physiological responses of the sympathetic nervous system. Until now, α1-ARs have been divided into at least three subtypes, α1A, α1B, and
Travis Alvine et al.
The Journal of experimental biology, 216(Pt 5), 751-758 (2012-11-06)
We investigated sex differences in cardiovascular maturation in embryos of the snapping turtle Chelydra serpentina, a species with temperature-dependent sex determination. One group of eggs was incubated at 26.5°C to produce males. Another group of eggs was incubated at 26.5°C
K N Manolopoulos et al.
Diabetologia, 55(11), 3029-3037 (2012-08-18)
Fatty acid entrapment in femoral adipose tissue has been proposed to prevent ectopic fat deposition and visceral fat accumulation, resulting in protection from insulin resistance. Our objective was to test the hypothesis of femoral, compared with abdominal, adipose tissue resistance
Darren P Casey et al.
Journal of applied physiology (Bethesda, Md. : 1985), 113(8), 1201-1212 (2012-09-11)
We tested the hypothesis that elevated sympathetic tone is responsible for lower peak vasodilation after single muscle contractions in older adults. Young (n = 13, 7 men and 6 women, age: 27 ± 1 yr) and older (n = 13
Kangbin Zhou et al.
Canadian journal of physiology and pharmacology, 90(8), 1075-1085 (2012-07-13)
Metabolic syndrome (MS) is a combination of medical disorders that increase the risk of developing cardiovascular disease and diabetes. MS is associated with obesity, increased blood pressure, hyperlipidemia, and hyperglycemia. This study was designed to investigate the pharmacological profile of

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