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Merck

T7254

Nα-Tosyl-L-lysine chloromethyl ketone hydrochloride

powder, ≥96% (TLC)

Synonyme(s) :

(3S)-1-Chloro-3-tosylamido-7-amino-2-heptanone hydrochloride, (3S)-7-Amino-1-chloro-3-tosylamino-2-heptanone hydrochloride, TLCK, Tosyl-L-lysyl-chloromethane hydrochloride

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A propos de cet article

Formule empirique (notation de Hill) :
C14H21ClN2O3S · HCl
Numéro CAS:
4272-74-6
Poids moléculaire :
369.31
NACRES:
NA.77
PubChem Substance ID:
24278752
UNSPSC Code:
12352202
EC Number:
224-266-4
MDL number:
MFCD00065395
Beilstein/REAXYS Number:
7106867

Principaux documents

Voir toute la documentation
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Nom du produit

Nα-Tosyl-L-lysine chloromethyl ketone hydrochloride, ≥96% (TLC), powder

form

powder

InChI key

YFCUZWYIPBUQBD-ZOWNYOTGSA-N

InChI

1S/C14H21ClN2O3S.ClH/c1-11-5-7-12(8-6-11)21(19,20)17-13(14(18)10-15)4-2-3-9-16;/h5-8,13,17H,2-4,9-10,16H2,1H3;1H/t13-;/m0./s1

SMILES string

Cl[H].Cc1ccc(cc1)S(=O)(=O)N[C@@H](CCCCN)C(=O)CCl

biological source

synthetic (organic)

assay

≥96% (TLC)

potency

10-100 μM effective concentration

solubility

H2O: 50 mg/mL

storage temp.

−20°C

Quality Level

200

Gene Information

human ... NFKB1(4790), NFKB2(4791)

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Application

Nα-Tosyl-L-lysine chloromethyl ketone hydrochloride has been used:
  • in chymotrypsin purification to prevent binding of trypsins to the affinity support by inhibiting them in the crude extract
  • as a protease inhibitor in tissue and cell homogenization
  • as a trypsin inhibitor to determine the specific protease activity levels

Biochem/physiol Actions

Nα-Tosyl-L-lysine chloromethyl ketone hydrochloride (TLCK) blocks the lipopolysaccharide (LPS)- or cytokine-induced activation of nuclear factor κB (NF-κB), which, in turn, blocks the induction of inducible nitric oxide synthase (iNOS) and cyclooxygenase-2 (COX-2) transcription. Blocks activation of pp70s6k by all mitogens. Blocks apoptosis in cell lines by inhibiting the processing of caspases in some cell lines and to some stimuli.

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Disclaimer

Stable at least two years when stored desiccated at −20°C.

Classe de stockage

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Certificats d'analyse (COA)

Lot/Batch Number
BCCL6071
BCCM0320
BCCL1404
BCCK6452
BCCH0965

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Consulter la Bibliothèque de documents

F D'Acquisto et al.
FEBS letters, 418(1-2), 175-178 (1997-12-31)
We investigated the involvement of NF-kappaB in the regulation of COX-2 protein expression and prostaglandin production in LPS-stimulated J774 macrophages. Incubation of J774 cells with LPS (1 microg/ml) for 24 h caused an increase of COX-2 protein expression and accumulation
L Stefanis et al.
Journal of neurochemistry, 69(4), 1425-1437 (1997-11-05)
Rat pheochromocytoma (PC12) cells and sympathetic neurons undergo apoptotic cell death upon withdrawal of trophic support. We have shown previously that selective cysteine aspartase (caspase) inhibitors protect PC12 cells and sympathetic neurons from such death, and that the caspase Nedd-2
Feces derived allergens of Tyrophagus putrescentiae reared on dried dog food and evidence of the strong nutritional interaction between the mite and Bacillus cereus producing protease bacillolysins and exo-chitinases
Erban T, et al.
Frontiers in Physiology, 7, 53-53 (2016)
P Kwo et al.
The American journal of physiology, 268(4 Pt 1), G613-G621 (1995-04-01)
Glycodeoxycholate (GDC) induces apoptosis in hepatocytes by a mechanism associated with DNA cleavage by endonucleases. In many models of apoptosis, proteolysis is required prior to DNA cleavage. Our aims were to determine if enhanced proteolysis is a mechanism causing GDC-mediated
Swaantje Peters et al.
Cytokine, 40(2), 144-150 (2007-10-26)
Vascular permeability is important at many sites, but particularly so in diabetic retinopathy where macular oedema is the major cause of blindness. Angiopoietin-2 (Ang-2) and vascular endothelial growth factor (VEGF) are important factors involved in neovascularization and vascular leakage, but
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