Skip to Content
Merck
All Photos(5)

Key Documents

View All Documentation

L9125

Sigma-Aldrich

L-Leucine-p-nitroanilide

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

Synonym(s):

L-Leucine-4-nitroanilide

Sign Into View Organizational & Contract Pricing
All Photos(5)

About This Item

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

product name

L-Leucine-p-nitroanilide, leucine aminopeptidase substrate

Quality Level

200

Assay

≥98% (TLC)

form

powder

solubility

ethanol: 50 mg/mL

storage temp.

2-8°C

SMILES string

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

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

InChI key

AXZJHDNQDSVIDR-NSHDSACASA-N

Looking for similar products? Visit Product Comparison Guide

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

Substrates

Substrate for the colorimetric determination of leucine aminopeptidase.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H317,H319

Hazard Classifications

Eye Irrit. 2 - Skin Sens. 1

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

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)
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
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
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
Antioxidant response and body composition of whiteleg shrimp co-cultured with Nile tilapia in recirculating aquaculture
Sharawy ZZ, et al.
Aquaculture Environment Interactions, 9(3), 257-268 (2017)
View All Related Papers

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service