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Merck
CN

1530004

USP

Phentolamine mesylate

United States Pharmacopeia (USP) Reference Standard

Synonym(s):

Phentolamine methanesulfonate salt, 2-(N-[m-Hydroxyphenyl]-p-toluidinomethyl)imidazoline

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About This Item

Linear Formula:
C17H19N3O · CH3SO3H
CAS Number:
65-28-1
Molecular Weight:
377.46
NACRES:
NA.24
PubChem Substance ID:
329750812
UNSPSC Code:
41116107
MDL number:
MFCD00134201

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Product Name

Phentolamine mesylate, United States Pharmacopeia (USP) Reference Standard

InChI

1S/C17H19N3O.CH4O3S/c1-13-5-7-14(8-6-13)20(12-17-18-9-10-19-17)15-3-2-4-16(21)11-15;1-5(2,3)4/h2-8,11,21H,9-10,12H2,1H3,(H,18,19);1H3,(H,2,3,4)

SMILES string

CS(O)(=O)=O.Cc1ccc(cc1)N(CC2=NCCN2)c3cccc(O)c3

InChI key

OGIYDFVHFQEFKQ-UHFFFAOYSA-N

grade

pharmaceutical primary standard

API family

phentolamine

manufacturer/tradename

USP

mp

180-182 °C (lit.)

application(s)

pharmaceutical (small molecule)

format

neat

Gene Information

human ... ADRA1A(148), ADRA1B(147), ADRA1D(146), ADRA2A(150), ADRA2B(151), ADRA2C(152)

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Analysis Note

These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.  ​

Application

Phentolamine mesylate USP reference standard, intended for use in specified quality tests and assays as specified in the USP compendia. Also, for use with USP monographs such as:
  • Phentolamine Mesylate for Injection
  • Phentolamine Mesylate Injection

Biochem/physiol Actions

α-Adrenergic receptor antagonist; peripheral vasodilator.

General description

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.
For further information and support please go to the website of the issuing Pharmacopoeia.

Other Notes

Sales restrictions may apply.

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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