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SML0864

Sigma-Aldrich

EMPA

≥98% (HPLC)

Synonym(s):

N-Ethyl-2-[(6-methoxy-3-pyridinyl)[(2-methylphenyl)sulfonyl]amino]-N-(3-pyridinylmethyl)-acetamide

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About This Item

Empirical Formula (Hill Notation):
C23H26N4O4S
CAS Number:
680590-49-2
Molecular Weight:
454.54
UNSPSC Code:
51111800
NACRES:
NA.77

Quality Level

100

Assay

≥98% (HPLC)

form

film

color

white to light brown

storage temp.

−20°C

InChI

1S/C23H26N4O4S/c1-4-26(16-19-9-7-13-24-14-19)23(28)17-27(20-11-12-22(31-3)25-15-20)32(29,30)21-10-6-5-8-18(21)2/h5-15H,4,16-17H2,1-3H3

InChI key

KJPHTXTWFHVJIG-UHFFFAOYSA-N

Biochem/physiol Actions

EMPA is a potent, selective OX2R antagonist (IC50 = 2.3 nM). EMPA binds reversibly to OX2R and inhibits orexin-a and -b-evoked intracellular calcium flux in cells expressing recombinant OX2R, but not OX1R.

Physical form

This product is solubilized for packaging and then dried down for shipment. It would appear as a lyophilized powder or film on the vial. Solvent should be added directly to the vial to prepare their sample for testing.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H302

Precautionary Statements

P264 - P270 - P301 + P312 - P501

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

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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