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Merck
모든 사진(3)

Key Documents

N8010

Sigma-Aldrich

4-Nitrophenyl 4-guanidinobenzoate hydrochloride

protease inhibitor and substrate

동의어(들):

4-Guanidinobenzoic acid 4-nitrophenylester hydrochloride, NPGB, pNPGB

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About This Item

실험식(Hill 표기법):
C14H12N4O4 · HCl
CAS Number:
Molecular Weight:
336.73
Beilstein:
8024554
EC Number:
MDL number:
UNSPSC 코드:
12352204
PubChem Substance ID:
NACRES:
NA.32

Quality Level

분석

≥95.0% (TLC)

형태

powder

solubility

formic acid: soluble 49.00-51.00 mg/mL

저장 온도

−20°C

SMILES string

Cl[H].NC(=N)Nc1ccc(cc1)C(=O)Oc2ccc(cc2)[N+]([O-])=O

InChI

1S/C14H12N4O4.ClH/c15-14(16)17-10-3-1-9(2-4-10)13(19)22-12-7-5-11(6-8-12)18(20)21;/h1-8H,(H4,15,16,17);1H

InChI key

PKSBDZOBYIKNGY-UHFFFAOYSA-N

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일반 설명

4-Nitrophenyl 4-guanidinobenzoate hydrochloride (pNPGB) is a trypsin substrate. It is more water-soluble than 4-methylumbelliferyl 4-guanidinobenzoate and is preferred in spectrophotometric assay.

애플리케이션

4-Nitrophenyl 4-guanidinobenzoate hydrochloride has been used:
  • as a substrate for trypsin for active site titration experiments
  • for pre-treating of mosquito eggs in the interplasmid transposition assay
  • as a component of isotonic buffer to moisten filter paper for mosquito embryo collection

생화학적/생리학적 작용

4-Nitrophenyl 4-guanidinobenzoate hydrochloride (pNPGB) inhibits phenoloxidase enzyme and delays embryo chorionic membrane hardening.

픽토그램

Corrosion

신호어

Danger

유해 및 위험 성명서

예방조치 성명서

Hazard Classifications

Eye Dam. 1

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

개인 보호 장비

dust mask type N95 (US), Eyeshields, Gloves


시험 성적서(COA)

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문서 라이브러리 방문

N Tomiya et al.
FEBS letters, 193(1), 44-48 (1985-11-25)
Acyl-plasmin-streptokinase complex has advantages as a 'site' directed fibrinolytic agent with the active site protected from the plasma protease inhibitors. But, in clinical use, the fibrinolytic potential of this acyl-enzyme complex is modified or abolished by the presence of streptokinase
Studies on the Molecular Mechanism of Mersalyl and 4-Aminophenylmercuric Acetate Re-activation of Trypsin-Thiol Complexes
STEVEN FS and GRIFFIN MM
European Journal of Biochemistry, 109(2), 567-573 (1980)
Mekdes Debela et al.
Scientific reports, 8(1), 10705-10705 (2018-07-18)
Human KLK8/neuropsin, a kallikrein-related serine peptidase, is mostly expressed in skin and the hippocampus regions of the brain, where it regulates memory formation by synaptic remodeling. Substrate profiles of recombinant KLK8 were analyzed with positional scanning using fluorogenic tetrapeptides and
D Collen et al.
The Journal of biological chemistry, 268(11), 8284-8289 (1993-04-15)
The mechanism of activation of human plasminogen by recombinant staphylokinase (STAR) was studied using the active site titrant p-nitrophenyl-p'-guanidinobenzoate (NPGB). NPGB prevented active site exposure in equimolar mixtures of plasminogen and STAR but reacted stoichiometrically with mixtures preincubated in the
J E Dravland et al.
The Journal of experimental zoology, 232(1), 117-128 (1984-10-01)
Previous studies from this laboratory have suggested a role for sperm trypsinlike activity in the membrane events of the hamster sperm acrosome reaction, but these conclusions have been disputed by studies done with guinea pig, mouse, and ram sperm. This

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