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U104

Sigma-Aldrich

UK 14,304

Synonym(s):

5-Bromo-N-(2-imidazolin-2-yl)-6-quinoxalinamine, 5-Bromo-N-(4,5-dihydro-1H-imidazol-2-yl)-6-quinoxalinamine, Brimonidine

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About This Item

Empirical Formula (Hill Notation):
C11H10BrN5
CAS Number:
59803-98-4
Molecular Weight:
292.13
MDL number:
MFCD00153878
UNSPSC Code:
12352200
PubChem Substance ID:
24277812
NACRES:
NA.77

Quality Level

100

solubility

45% (w/v) aq 2-hydroxypropyl-β-cyclodextrin: <0.8 mg/mL
DMSO: >6.5 mg/mL
ethanol: <8 mg/mL (warm)
H2O: insoluble

SMILES string

Brc1c(NC2=NCCN2)ccc3nccnc13

InChI

1S/C11H10BrN5/c12-9-7(17-11-15-5-6-16-11)1-2-8-10(9)14-4-3-13-8/h1-4H,5-6H2,(H2,15,16,17)

InChI key

XYLJNLCSTIOKRM-UHFFFAOYSA-N

Gene Information

human ... ADRA1A(148) , ADRA2A(150) , ADRA2B(151) , ADRA2C(152)

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Application

UK 14,304 has been used for the activation of extracellular signal-regulated kinase (ERK) in epicardial coronary artery culture
UK 14,304 has been used in myenteric neurons to study the inhibition of R-type calcium currents. UK 14,304 has also been used for immunofluorescence microscopy assays.

Biochem/physiol Actions

UK 14,304 is an α2-adrenoceptor agonist. UK 14,304 inhibits hormone-sensitive lipase (HSL) activity and suppresses lipogenesis in adipose tissue.

Features and Benefits

This compound is featured on the α2-Adrenoceptors page of the Handbook of Receptor Classification and Signal Transduction. To browse other handbook pages, click here.

Preparation Note

UK 14,304 is soluble in 45% (w/v) aq 2-hydroxypropyl-β-cyclodextrin (<0.8 mg/mL), DMSO (>6.5 mg/ml) and ethanol (<8 mg/mL). However, it is insoluble in water.

Pictograms

Skull and crossbones
GHS06

Signal Word

Danger

Hazard Statements

H301

Hazard Classifications

Acute Tox. 3 Oral

Storage Class Code

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Juan Wang et al.
Journal of biomedical nanotechnology, 13(9), 1089-1096 (2018-02-27)
In this work, we developed a mildly cross-linked dendrimer hydrogel (mcDH) via
Functional alpha-1B adrenergic receptors on human epicardial coronary artery endothelial cells.
Jensen BC, et al.
Naunyn-Schmiedeberg'S Archives of Pharmacology, 382(5-6), 475-482 (2010)
The alpha2-adrenergic receptor agonist UK 14,304 inhibits secretin-stimulated ductal secretion by downregulation of the cAMP system in bile duct-ligated rats.
Francis H, et al.
American Journal of Physiology. Cell Physiology, 293(4), C1252-C1262 (2007)
Brittany J Carr et al.
Clinical & experimental optometry, 102(4), 418-425 (2019-01-31)
The putative myopia-controlling receptor is thought to be muscarinic acetylcholine receptor subtype M4 , because mamba toxin-3 can inhibit form-deprivation myopia in chicks at a far lower concentration than atropine. However, mamba toxin-3 is equally potent at the human α1A
Hung-Yu Lin et al.
Medicine, 96(47), e8868-e8868 (2018-02-01)
To evaluate the safety and efficiency in macular edema patients who concurrently received a single injection of a dexamethasone intravitreal implant (DEX, 0.7 mg) and ranibizumab (2.3 mg).A retrospective cohort study was conducted, and medical records from 2012 to 2016 were reviewed.
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