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Key Documents

L2158

Sigma-Aldrich

L-Leucine p-nitroanilide hydrochloride

chromogenic, ≥98% (HPLC), powder

Synonym(s):

H-Leu-pNA

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About This Item

Empirical Formula (Hill Notation):
C12H17N3O3 · HCl
CAS Number:
Molecular Weight:
287.74
MDL number:
UNSPSC Code:
12352204
PubChem Substance ID:
NACRES:
NA.28

product name

L-Leucine p-nitroanilide hydrochloride, ≥98% (HPLC)

Quality Level

Assay

≥98% (HPLC)

form

powder

solubility

water: 25 mg/mL

storage temp.

2-8°C

SMILES string

Cl.CC(C)C[C@H](N)C(=O)Nc1ccc(cc1)N(=O)=O

InChI

1S/C12H17N3O3.ClH/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);1H/t11-;/m0./s1

InChI key

PFOYXOWPGRWPLS-MERQFXBCSA-N

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Application

L-Leucine p-nitroanilide hydrochloride has been used as a substrate to measure the activity of leucine aminopeptidase (LAP):
  • for spectrophotometric assays
  • in the intestinal samples, such as duodenum, jejunum, and ileum
  • in the hemolymph of Manila clam

Substrates

Substrate for the colorimetric determination of leucine aminopeptidase.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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’.

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Susan E Ford et al.
Fish & shellfish immunology, 23(2), 280-291 (2006-12-19)
Components of the haemolymph are understood to constitute the internal defense system of bivalve mollusks and their levels are often considered to be indicators of "health"; however, relatively little proof exists of the role that these elements play in the
J Williams et al.
British poultry science, 49(3), 329-339 (2008-06-24)
1. The objective of this experiment was to study two feeding methods, which could potentially act on the gut microflora, the structure and/or the function of the digestive tract and thereby improve the performance of broilers. 2. Four dietary treatments

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