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B6760

Sigma-Aldrich

N-Benzoyl-L-tyrosine p-nitroanilide

≥98.0% (TLC)

Synonym(s):

Benzoyl-L-tyrosine p-nitroanilide

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About This Item

Empirical Formula (Hill Notation):
C22H19N3O5
CAS Number:
6154-45-6
Molecular Weight:
405.40
MDL number:
MFCD00038109
UNSPSC Code:
12352209
eCl@ss:
32160406
PubChem Substance ID:
24891820
NACRES:
NA.26

product name

N-Benzoyl-L-tyrosine p-nitroanilide,

Assay

≥98.0% (TLC)

form

powder

color

white

mp

235-237 °C

storage temp.

−20°C

SMILES string

Oc1ccc(CC(NC(=O)c2ccccc2)C(=O)Nc3ccc(cc3)[N+]([O-])=O)cc1

InChI

1S/C22H19N3O5/c26-19-12-6-15(7-13-19)14-20(24-21(27)16-4-2-1-3-5-16)22(28)23-17-8-10-18(11-9-17)25(29)30/h1-13,20,26H,14H2,(H,23,28)(H,24,27)

InChI key

CJERUMAUMMIPRF-UHFFFAOYSA-N

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Application

N-Benzoyl-L-tyrosine p-nitroanilide (BTPNA) is used as a substrate to identify, differentiate and characterize serine carboxypeptidase(s) and various proteases.

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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K S LIU et al.
The Analyst, 115(8), 1143-1144 (1990-08-01)
In assaying chymotrypsin inhibition by the soybean Bowman-Birk inhibitor, two sequences of mixing the reactants were tried: adding the substrate last (s-last test) or adding the enzyme last (e-last test). The inhibition values obtained from the s-last test were either
Proteases in egg, miracidium and adult of Fasciola gigantica. Characterization of serine and cysteine proteases from adult.
Mohamed SA, Fahmy AS, et al.
Comp. Biochem. Physiol., B: Comp. Biochem., 142, 192-200 (2005)
Bernardo Ramírez-Zavala et al.
International journal of food microbiology, 91(3), 245-252 (2004-02-27)
We purified a carboxypeptidase (CPY) from the yeast of Kluyveromyces marxianus. This enzyme was purified 170 times from a soluble extract of 100000 x g. Purification consisted in a fractionated precipitation with ammonium sulfate and two chromatographic steps consisting of
Caterina Temporini et al.
Journal of separation science, 30(17), 3069-3076 (2007-10-11)
The preparation and optimization of a new monolithic chymotrypsin bioreactor for online protein digestion is described. Silica monolithic supports have been activated with epoxide functionalities following an optimized in situ procedure and used for covalent immobilization of chymotrypsin in one-step
G Colebatch et al.
Insect biochemistry and molecular biology, 31(4-5), 415-423 (2001-02-27)
Protease activities in the secreted saliva, salivary glands and midgut of the green mirid, Creontiades dilutus, were investigated. The saliva and salivary glands had more protease activity than the midgut, but no differences in protease activity levels were detected between
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