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Merck
CN

L9125

L-Leucine-p-nitroanilide

leucine aminopeptidase substrate, chromogenic, ≥98% (TLC), powder

Synonym(s):

L-Leucine-4-nitroanilide

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About This Item

Empirical Formula (Hill Notation):
C12H17N3O3
CAS Number:
4178-93-2
Molecular Weight:
251.28
NACRES:
NA.32
PubChem Substance ID:
24896516
UNSPSC Code:
12352204
EC Number:
224-047-3
MDL number:
MFCD00063681
Beilstein/REAXYS Number:
2218433

Key Documents

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Product Name

L-Leucine-p-nitroanilide, leucine aminopeptidase substrate

InChI

1S/C12H17N3O3/c1-8(2)7-11(13)12(16)14-9-3-5-10(6-4-9)15(17)18/h3-6,8,11H,7,13H2,1-2H3,(H,14,16)/t11-/m0/s1

SMILES string

CC(C)C[C@H](N)C(=O)Nc1ccc(cc1)[N+]([O-])=O

InChI key

AXZJHDNQDSVIDR-NSHDSACASA-N

assay

≥98% (TLC)

form

powder

solubility

ethanol: 50 mg/mL

storage temp.

2-8°C

Quality Level

200

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Application

L-Leucine-p-nitroanilide has been used as substrate
  • for the determination of intestinal leucine aminopeptidase activity of juvenile rainbow trout (Oncorhynchus mykiss)
  • in insulin-regulated aminopeptidase inhibition assay
  • for determining exopeptidase activity

General description

Substrate for the colorimetric determination of leucine aminopeptidase.

pictograms

Exclamation mark
GHS07

signalword

Warning

hcodes

H317,H319

Hazard Classifications

Eye Irrit. 2 - Skin Sens. 1

Storage Class

11 - Combustible Solids

wgk

WGK 3

ppe

dust mask type N95 (US), Eyeshields, Faceshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
0000483535
0000483535
0000480728
0000480728
0000480721

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Identification of drug-like inhibitors of insulin-regulated aminopeptidase through small-molecule screening
Engen K, et al.
Assay and Drug Development Technologies, 14(3), 180-193 (2016)
W Bawab et al.
The Biochemical journal, 286 ( Pt 3), 967-975 (1992-09-15)
Aminopeptidase activities were identified in extracts of kidney, ovotestis, head ganglia, heart and haemolymph of Aplysia californica. These enzyme preparations hydrolysed [3H][Leu]enkephalin at the Try-1-Gly-2 bond as determined by h.p.l.c. analysis of cleavage products. In all these tissues, enkephalin-degrading aminopeptidase
Effects of fish meal replacement with meat and bone meal using garlic (Allium sativum) powder on growth, feeding, digestive enzymes and apparent digestibility of nutrients and fatty acids in juvenile rainbow trout (Oncorhynchus mykiss Walbaum, 1792)
Esmaeili M, et al.
Aquaculture Nutrition, 23(6), 1225-1234 (2017)
A Bernkop-Schnürch et al.
Pharmaceutical research, 14(2), 181-185 (1997-02-01)
Develop and evaluate systems to prevent aminopeptidase N caused enzymatic degradation of perorally administrated peptide drugs. Bacitracin was covalently bound to the unabsorbable carrier matrix poly(acrylic acid) (paa) in order to avoid any dilution effects of the inhibitor in the
K W Garren et al.
Pharmaceutical research, 6(11), 966-970 (1989-11-01)
The simultaneous diffusion and metabolism of the D- and L-isomers of the aminopeptidase substrate, leucine-p-nitroanilide (LPNA), were examined in vitro in the hamster cheek pouch. L-LPNA was completely hydrolyzed during diffusion across the cheek pouch, whereas D-LPNA crossed the cheek
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