(R)-(-)-α-Methylhistamine dihydrobromide


Catalog No. Size PriceQuantity
M18475-2 2 mg solid $100
M18475-C Contact sales@xcessbio.com for quotation $100

Description

(R)-(-)-α-Methylhistamine dihydrobromide is a potent and selective H3 histamine receptor agonist with a Kd of 50.3 nM. (R)-(-)-α-Methylhistamine dihydrobromide can cross the blood-brain barrier, and can enhance memory retention, attenuates memory impairment in rats.

Product information

CAS Number: 868698-49-1

Molecular Weight: 287.00

Formula: C6H13Br2N3

Chemical Name: (2R)-1-(1H-imidazol-5-yl)propan-2-amine dihydrobromide

Smiles: Br.Br.C[C@@H](N)CC1=CN=CN1

InChiKey: RWHNAAABSGVRDT-ZJIMSODOSA-N

InChi: InChI=1S/C6H11N3.2BrH/c1-5(7)2-6-3-8-4-9-6;;/h3-5H,2,7H2,1H3,(H,8,9);2*1H/t5-;;/m1../s1

Technical Data

Appearance: Solid Power

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

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: ≥12 months 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:

(R)-(-)-α-Methylhistamine dihydrobromide is an H3-agonist that is > 10 times as potent as histamine (HA). Its selectivity toward H3-receptors is > 1,000 times as high as that of HA. (R)-(-)-α-Methylhistamine dihydrobromide has only weak affinities for H1 and H2 receptor with a pKi=4.8 and < 3.5, repectively. (R)-(-)-α-Methylhistamine dihydrobromide displays >200-fold selectivity over H4 receptors.

In Vivo:

Pretreatment with (R)-(-)-α-Methylhistamine dihydrobromide (RAMH; 10 mg/kg; i.p.; 60 min before training) reverses propofol‐induced (25 mg/kg; i.p.; 30 min before training) memory retention. (R)-alpha-Methylhistamine dihydrochloride (6.3 mg/kg; i.p.) significantly decreases the steady-state t-MH level in the mouse brain, whereas these compounds produced no significant changes in the HA level.

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

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