Catalog No. size PriceQuantity
M7044-2 2mg solid $85
M7044-10 10mg solid $360


LUN42518, also known as Phentolamine Analogue 1, is an analogue of phentolamine. Phentolamine is a nonselective alpha-adrenergic antagonist.

Product information

CAS Number: 47142-51-8

Molecular Weight: 281.35

Formula: C17H19N3O


Phentolamine Analogue 1



LUN 42518

Chemical Name: 4-(((4,5-dihydro-1H-imidazol-2-yl)methyl)(p-tolyl)amino)phenol

Smiles: CC1C=CC(=CC=1)N(CC1NCCN=1)C1C=CC(O)=CC=1


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

Technical Data

Appearance: Solid Power.

Purity: ≥98% (or refer to the Certificate of Analysis)

Solubility: Soluble in DMSO

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical or refer to Certificate of Analysis

Storage Condition: Dry, dark and -20 oC for 1 year or refer to the Certificate of Analysis.

Shelf Life: ≥360 days if stored properly.

Stock Solution Storage: 0 - 4 oC for 1 month or refer to the Certificate of Analysis.

Drug Formulation: To be determined.

HS Tariff Code: 382200

How to use

In Vitro:

Phentolamine Analogue 1 (3h) is an analogue of phentolamine.


  1. A. Parihar, et al. Alkylation of diphenylamines with chloroacetonitrile: a new entry to phentolamine analogues. Journal of Chemical Research (2004), (3), 220-222.

Products are for research use only. Not for human use.

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