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Merck

L9133

Leucine Enkephalin acetate salt hydrate

≥95% (HPLC), μ- and δ-opioid receptor agonist

Sinónimos:

Leucine Enkephalin

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Fórmula empírica (notación de Hill):
C28H37N5O7 · xC2H4O2 · yH2O
Peso molecular:
555.62 (anhydrous free base basis)
UNSPSC Code:
12352209
eCl@ss:
32160409
PubChem Substance ID:
329817669
NACRES:
NA.32
MDL number:
MFCD11045938

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Nombre del producto

Leucine Enkephalin acetate salt hydrate, ≥95% (HPLC)

SMILES string

O.CC(O)=O.CC(C)C[C@H](NC(=O)[C@H](Cc1ccccc1)NC(=O)CNC(=O)CNC(=O)[C@@H](N)Cc2ccc(O)cc2)C(O)=O

InChI

1S/C28H37N5O7.C2H4O2.H2O/c1-17(2)12-23(28(39)40)33-27(38)22(14-18-6-4-3-5-7-18)32-25(36)16-30-24(35)15-31-26(37)21(29)13-19-8-10-20(34)11-9-19;1-2(3)4;/h3-11,17,21-23,34H,12-16,29H2,1-2H3,(H,30,35)(H,31,37)(H,32,36)(H,33,38)(H,39,40);1H3,(H,3,4);1H2/t21-,22-,23-;;/m0../s1

InChI key

QKDIOZBQOQJXFR-XQCXOTTHSA-N

assay

≥95% (HPLC)

storage temp.

−20°C

Quality Level

200

Gene Information

human ... OPRD1(4985), OPRM1(4988)
mouse ... OPRD1(18386), OPRM1(18390)
rat ... OPRD1(24613), OPRM1(25601)

Categorías relacionadas

Application

Leucine Enkephalin acetate salt hydrate has been used in the calibration of the Q-Tof Micro hybrid, triple quadrupole-orthogonal acceleration time of flight (TOF) instrument in single-stage TOF mode. It has also been used to perform the calibration of mass spectrometry. It has also been used in liquid chromatography-mass spectrometry (LCMS)/MS for calibration of the system and for relative correction of the spectra.

Biochem/physiol Actions

Leucine Enkephalin (LEU-ENK) functions as agonists at both μ- and δ-opioid receptor sites. It might also play a role as neurotransmitter agent at morphine-sensitive synapses. Leucine Enkephalin is also associated with pain regulation. LEU-ENK expressed in camel lacrimal nerve regulates lacrimal fluid and protein secretion. LEU-ENK is degraded during metabolism by several enzymes, including aminopeptidase-N (APN), neutral endopeptidase (NEP), dipeptidyl peptidase- 3 (DPP3), carboxy peptidase-A6 (CPA-6) and angiotensin converting enzyme (ACE), which are sometimes referred to as enkephalinases.

General description

Leucine Enkephalin is a pentapeptide and is a normal component of central and peripheral tissues. Leucine Enkephalin has amino acid sequence Tyr-Gly-Gly-Phe-Leu and is distributed in the brains of many animals, including humans. It is an endogenous opioid neurotransmitter/neuromodulator localized in brain parallels and in δ receptors.

Clase de almacenamiento

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificados de análisis (COA)

Lot/Batch Number
0000457233
0000457233
0000453560
0000453560
0000399198

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