616387
Nα-Tosyl-Phe Chloromethyl Ketone
Irreversible inhibitor of chymotrypsin.
Synonym(s):
Nα-Tosyl-Phe Chloromethyl Ketone, TPCK
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About This Item
Empirical Formula (Hill Notation):
C17H18ClNO3S
CAS Number:
Molecular Weight:
351.85
UNSPSC Code:
12352200
NACRES:
NA.77
MDL number:
Quality Level
description
RTECS - XT5613500
assay
≥98% (TLC)
form
solid
manufacturer/tradename
Calbiochem®
storage condition
OK to freeze
color
white
solubility
ethanol: 5 mg/mL, methanol: 5 mg/mL
shipped in
ambient
storage temp.
2-8°C
SMILES string
[S](=O)(=O)(N[C@@H](Cc2ccccc2)C(=O)CCl)c1ccc(cc1)C
InChI
1S/C17H18ClNO3S/c1-13-7-9-15(10-8-13)23(21,22)19-16(17(20)12-18)11-14-5-3-2-4-6-14/h2-10,16,19H,11-12H2,1H3/t16-/m0/s1
InChI key
MQUQNUAYKLCRME-INIZCTEOSA-N
General description
Irreversible inhibitor of chymotrypsin. Useful for inhibiting chymotrypsin activity in trypsin preparations. Inhibits apoptosis in thymocytes. Blocks the induction of nitric oxide synthase by γ-interferon and lipopolysaccharide (EC50 = 20 µM). Suggested working concentration is 10-100 µM.
This product has been discontinued.
Irreversible inhibitor of chymotrypsin. Useful for inhibiting chymotrypsin activity in trypsin preparations. Inhibits apoptosis in thymocytes. Blocks the induction of nitric oxide synthase by γ-interferon and lipopolysaccharides (EC50 = 20 M).
Irreversible inhibitor of chymotrypsin. Useful for inhibiting chymotrypsin activity in trypsin preparations. Inhibits apoptosis in thymocytes. Blocks the induction of nitric oxide synthase by γ-interferon and lipopolysaccharides (EC50 = 20 M).
Biochem/physiol Actions
Cell permeable: no
EC50 = 20 µM in blocking the induction of nitric oxide synthase by γ-interferon and lipopolysaccharides.
Primary Target
chymotrypsin activity in preparations
chymotrypsin activity in preparations
Product does not compete with ATP.
Reversible: no
Preparation Note
Following reconstitution, store in the refrigerator (4°C). Stock solutions are stable for up to 4 months at 4°C.
Other Notes
Fearnhead, H.O., et al. 1995. FEBS Lett. 357, 242.
Griscavage, J.M., et al. 1995. Biochem. Biophys. Res. Commun.215, 721.
Weaver, V.M., et al. 1993. Biochem. Cell Biol.71, 488.
Murakami, T., et al. 1991. Biochim. Biophys. Acta1079, 279.
Nierodzik, M.L., et al. 1991. J. Clin. Invest.87, 229.
Wilson, W.E., et al. 1989. J. Biol. Chem. 264, 17777.
Griscavage, J.M., et al. 1995. Biochem. Biophys. Res. Commun.215, 721.
Weaver, V.M., et al. 1993. Biochem. Cell Biol.71, 488.
Murakami, T., et al. 1991. Biochim. Biophys. Acta1079, 279.
Nierodzik, M.L., et al. 1991. J. Clin. Invest.87, 229.
Wilson, W.E., et al. 1989. J. Biol. Chem. 264, 17777.
Legal Information
CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany
Disclaimer
Toxicity: Irritant (B)
signalword
Danger
hcodes
Hazard Classifications
Eye Dam. 1 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
Storage Class
11 - Combustible Solids
flash_point_f
Not applicable
flash_point_c
Not applicable
Certificates of Analysis (COA)
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Global Trade Item Number
| SKU | GTIN |
|---|---|
| 616387-250MG | 04055977186314 |