Serine protease inhibitor
Specific irreversible inhibitor of serine proteases including trypsin, chymotrypsin, plasmin, plasma kallikrein, and thrombin. Stable, non-toxic alternative to PMSF (Prod. No. ALX-270-184). Inhibitor of NAD(P)H oxidase. Activator of MAP kinases JNK and p38.
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Product Details
Alternative Name |
4-(2-Aminoethyl)benzenesulfonylfluoride . HCl, Pefabloc®SC |
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Appearance |
White to off-white powder. |
CAS |
30827-99-7 |
Couple Target |
Jnk, NADPH oxidase, p38, Serine protease |
Couple Type |
Activator, Inhibitor |
Formula |
C8H10FNO2S . HCl |
MW |
239.7 |
Purity |
≥98% (HPLC) |
Solubility |
Soluble in water or 100% ethanol. |
Handling & Storage
Use/Stability |
As indicated on product label or CoA when stored as recommended. |
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Handling |
Protect from moisture and light. |
Long Term Storage |
+4°C |
Shipping |
Ambient Temperature |
Regulatory Status |
RUO – Research Use Only |
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- UBQLN2 undergoes a reversible temperature-induced conformational switch that regulates binding with HSPA1B: ALS/FTD mutations cripple the switch but do not destroy HSPA1B binding: T.H. Phung, et al.; Biochim. Biophys. Acta Gen. Subj. 1867, 130284 (2023), Abstract
- Bifunctional hetero di-disc for broad-spectrum influenza neutralization: S. Moon, et al.; Nanomedicine 44, 102587 (2022), Abstract
- Virucidal nano-perforator of viral membrane trapping viral RNAs in the endosome: Kong, B., Moon, S., et al.; Nat. Commun. 10, 185 (2019), Abstract
- TANK-binding kinase 1 (TBK1) modulates inflammatory hyperalgesia by regulating MAP kinases and NF-κB dependent genes: C. V. Möser, et al.; J. Neuroinflammation 12, 100 (2015), Application(s): Western Blot, Abstract — Full Text
- AMP-activated protein kinase Is activated by non-steroidal anti-inflammatory drugs: T.S. King, et al.; Eur. J. Pharmacol. 762, 299 (2015), Application(s): Western Blot, Abstract
- Inhibitory effect of 4-(2-aminoethyl)-benzenesulfonyl fluoride, a serine protease inhibitor, on PI3K inhibitor-induced CHOP expression: T. Hosoi, et al.; Eur. J. Pharmacol. 554, 8 (2007), Abstract
- Heme oxygenase-1 gene activation by the NAD(P)H oxidase inhibitor 4-(2-aminoethyl) benzenesulfonyl fluoride via a protein kinase B, p38-dependent signaling pathway in monocytes: N. Wijayanti, et al.; J. Biol. Chem. 280, 21820 (2005), Abstract — Full Text
- Evaluation of two inhibitors of invasion: LY311727 [3-(3-acetamide-1-benzyl-2-ethyl-indolyl-5-oxy)propane phosphonic acid] and AEBSF [4-(2-aminoethyl)-benzenesulphonyl fluoride] in acute murine toxoplasmosis: R. Buitrago-Rey, et al.; J. Antimicrob. Chemother. 49, 871 (2002), Abstract — Full Text
- 4-(2-Aminoethyl)benzenesulfonyl fluoride attenuates tumor-necrosis-factor-alpha-induced blood-brain barrier opening: P. Megyeri, et al.; Eur. J. Pharmacol. 374, 207 (1999), Abstract
- Inhibition of NADPH oxidase activation by 4-(2-aminoethyl)-benzenesulfonyl fluoride and related compounds: V. Diatchuk, et al.; J. Biol. Chem. 272, 13292 (1997), Abstract — Full Text
- Inhibition of amyloid beta-protein production in neural cells by the serine protease inhibitor AEBSF: M. Citron, et al.; Neuron 17, 171 (1996), Abstract
- Lysis of leukemic cells by human macrophages: inhibition by 4-(2-aminoethyl)-benzenesulfonyl fluoride (AEBSF), a serine protease inhibitor: Y. Nakabo & M.J. Pabst; J. Leukoc. Biol. 60, 328 (1996), Abstract — Full Text
- Serine protease inhibitors block priming of monocytes for enhanced release of superoxide: P. Megyeri, et al.; Immunology 86, 629 (1995), Abstract — Full Text
- Irreversible enzyme inhibitors. 180. Irreversible inhibitors of the C’la component of complement derived from m-(phenoxypropoxy)benzamidine and phenoxyacetamide: B.R. Baker & H.J. Cory; J. Med. Chem. 14, 119 (1971), Abstract
Related Products

Alternative Name | PMSF, Benzylsulfonyl fluoride |
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CAS | 329-98-6 |
Couple Type | Inhibitor |
Purity | ≥99% (HPLC) |
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