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Merck

B4875

Nα-Benzoyl-DL-arginine 4-nitroanilide hydrochloride

trypsin substrate, chromogenic, elastase substrate, ≥98%, powder

Synonym(s):

Nα-Benzoyl-DL-arginine p-nitroanilide hydrochloride, BANI, BAPNA

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About This Item

Empirical Formula (Hill Notation):
C19H22N6O4 · HCl
CAS Number:
Molecular Weight:
434.88
NACRES:
NA.32
PubChem Substance ID:
UNSPSC Code:
12352204
EC Number:
213-011-2
MDL number:
Beilstein/REAXYS Number:
4081878

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Product Name

Nα-Benzoyl-DL-arginine 4-nitroanilide hydrochloride, ≥98%

InChI key

DEOKFPFLXFNAON-UHFFFAOYSA-N

InChI

1S/C19H22N6O4.ClH/c20-19(21)22-12-4-7-16(24-17(26)13-5-2-1-3-6-13)18(27)23-14-8-10-15(11-9-14)25(28)29;/h1-3,5-6,8-11,16H,4,7,12H2,(H,23,27)(H,24,26)(H4,20,21,22);1H

SMILES string

Cl[H].NC(=N)NCCCC(NC(=O)c1ccccc1)C(=O)Nc2ccc(cc2)[N+]([O-])=O

assay

≥98%

form

powder

color

, white to light yellow to light brown

solubility

DMSO: 50 mg/mL (colorless to dark green-yellow to dark brown-yellow)

storage temp.

−20°C

Quality Level

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1 of 4

This Item
B3279B4750B7632
assay

≥98%

assay

>98% (TLC)

assay

≥98% (TLC)

assay

≥98% (TLC)

solubility

DMSO: 50 mg/mL (colorless to dark green-yellow to dark brown-yellow)

solubility

acetone: water (1:1): 40.00-51.00 mg/mL, clear, colorless to yellow

solubility

DMF: 50 mg/mL, clear, colorless to faintly yellow

solubility

methanol: 20 mg/mL, clear, colorless to light yellow

Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

200

form

powder

form

powder

form

powder

form

powder

storage temp.

−20°C

storage temp.

−20°C

storage temp.

2-8°C

storage temp.

−20°C

color

, white to light yellow to light brown

color

-

color

-

color

-

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Application

Nα-Benzoyl-DL-arginine 4-nitroanilide hydrochloride has been used as a substrate for trypsin[1] and elastase in enzyme analysis.[2]

General description

Nα-Benzoyl-DL-arginine 4-nitroanilide hydrochloride (DL-BAPNA) is a chromogenic substrate for proteolytic enzymes such as trypsin, amidase, and balterobin. Hydrolysis of DL-BAPNA at the bond between the arginine and the p-nitroaniline moieties releases the chromophore p-nitroaniline, which can be detected by colorimetric analysis.
A chromogenic trypsin substrate.

Storage Class

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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Carola Engler et al.
PloS one, 4(5), e5553-e5553 (2009-05-14)
We have developed a protocol to assemble in one step and one tube at least nine separate DNA fragments together into an acceptor vector, with 90% of recombinant clones obtained containing the desired construct. This protocol is based on the
I Kurtovic et al.
Comparative biochemistry and physiology. Part B, Biochemistry & molecular biology, 143(4), 432-440 (2006-02-07)
A trypsin fraction was isolated from the pyloric ceca of New Zealand farmed chinook salmon (Oncorhynchus tshawytscha) by ammonium sulfate fractionation, acetone precipitation and affinity chromatography. The chinook salmon enzyme hydrolyzed the trypsin-specific synthetic substrate benzoyl-DL-arginine-p-nitroanilide (DL-BAPNA), and was inhibited
Caihong Hu et al.
Biological trace element research, 149(2), 190-196 (2012-04-28)
One hundred-eighty piglets (Duroc × Landrace × Yorkshire), with an average initial weight of 7.4 kg weaned at 27 ± 1 days of age, were used to evaluate the effects of dietary zinc oxide-montmorillonite hybrid (ZnO-MMT) on growth performance, diarrhea
Digestive enzymes and stylet morphology of Deraeocoris nigritulus (Uhler)(Hemiptera: Miridae) reflect adaptations for predatory habits
Boyd DW
Annals of the Entomological Society of America, 96(5), 667-671 (2014)
Tooba Siddiqui et al.
Journal of fluorescence, 29(4), 969-979 (2019-07-22)
Gallic acid is a naturally occurring plant polyphenol found in green tea and various fruits. Under certain conditions gallic acid exhibits pro-oxidant characteristics rather than its well known antioxidant property. In the present work, we explored the interaction of gallic

Questions

  1. Why do the bottoms of the vials/bottles of product B4875-100MG (Nα-Benzoyl-DL-arginine 4-nitroanilide hydrochloride) appear to have no bottom? How is the product contained within the vials despite this unusual appearance? Is this a packaging defect?

    1 answer
    1. The product is packaged in bottomless glass bottles with an inserted fused cone. The micro-vials contain the product within an inner cone, while the bottomless outer glass cylinder, serves as a stand. This design is intentional and not a defect.

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