Irreversible cysteine protease inhibitor. Cell-permeable caspase effector inhibitor. Selectively inhibits recombinant effector caspases 2, -3, -6, and -7. Inhibits cathepsin B, L, and S, papain and cruzain. Induces apoptosis and necrosis.

Storage

Store at -20°C, Desiccated

Shipped In

Ice chest + Ice pads

This product requires cold chain shipping. Ground and other economy services are not available.

Note

Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20°C. Generally, these will be useable for up to one week. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour. Need more advice on solubility, usage and handling? Please visit our frequently asked questions (FAQ) page for more details.

Purity

≥98%

Names and Identifiers

Pubchem Sid	504763540
Pubchem Sid Url	https://pubchem.ncbi.nlm.nih.gov/substance/504763540
Canonical Smiles	CC(C(=O)CF)NC(=O)C(CC1=CC=CC=C1)NC(=O)OCC2=CC=CC=C2
IUPAC Name	benzyl N-[(2S)-1-[[(2S)-4-fluoro-3-oxobutan-2-yl]amino]-1-oxo-3-phenylpropan-2-yl]carbamate
InChIKey	ASXVEBPEZMSPHB-YJBOKZPZSA-N
INCHI	1S/C21H23FN2O4/c1-15(19(25)13-22)23-20(26)18(12-16-8-4-2-5-9-16)24-21(27)28-14-17-10-6-3-7-11-17/h2-11,15,18H,12-14H2,1H3,(H,23,26)(H,24,27)/t15-,18-/m0/s1
Isomeric SMILES	C[C@@H](C(=O)CF)NC(=O)[C@H](CC1=CC=CC=C1)NC(=O)OCC2=CC=CC=C2
Alternate CAS	197855-65-5
Molecular Weight	386.42
Reaxy-Rn	26141254
Reaxys-RN_link_address	https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=26141254&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

Kingdom Organic compounds
- Superclass Organic acids and derivatives
  - Class Carboxylic acids and derivatives
    - Subclass Amino acids, peptides, and analogues
      - Level5 Amino acids and derivatives
        Level6 Alpha amino acids and derivatives
        Level7 Phenylalanine and derivatives

Kingdom	Organic compounds
Superclass	Organic acids and derivatives
Class	Carboxylic acids and derivatives
Subclass	Amino acids, peptides, and analogues
Intermediate Tree Nodes	Amino acids and derivatives - Alpha amino acids and derivatives
Direct Parent	Phenylalanine and derivatives
Alternative Parents	Alpha amino acid amides Benzyloxycarbonyls Amphetamines and derivatives Fatty amides Carbamate esters Alpha-haloketones Secondary carboxylic acid amides Organonitrogen compounds Organofluorides Organic oxides Hydrocarbon derivatives Alkyl fluorides
Molecular Framework	Aromatic homomonocyclic compounds
Substituents	Phenylalanine or derivatives - Alpha-amino acid amide - Amphetamine or derivatives - Benzyloxycarbonyl - Monocyclic benzene moiety - Fatty amide - Benzenoid - Fatty acyl - Carbamic acid ester - Alpha-haloketone - Secondary carboxylic acid amide - Carboxamide group - Ketone - Organic oxide - Organohalogen compound - Organofluoride - Alkyl halide - Organonitrogen compound - Carbonyl group - Organic oxygen compound - Alkyl fluoride - Organooxygen compound - Organic nitrogen compound - Hydrocarbon derivative - Aromatic homomonocyclic compound
Description	This compound belongs to the class of organic compounds known as phenylalanine and derivatives. These are compounds containing phenylalanine or a derivative thereof resulting from reaction of phenylalanine at the amino group or the carboxy group, or from the replacement of any hydrogen of glycine by a heteroatom.
External Descriptors	Not available
1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61. DOI: 10.1186/s13321-016-0174-y

3D Structure

Associated Targets(Human)

CTSB Tchem Cathepsin B (1 Activities)

Discover Target: CTSB

Activity Type	Activity Value -log(M)	Mechanism of Action	Activity Reference	Publications (PubMed IDs)

ACE Tclin Angiotensin-converting enzyme (1423 Activities)

Discover Target: ACE

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

ELANE Tclin Leukocyte elastase (8173 Activities)

Discover Target: ELANE

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

CTSD Tchem Cathepsin D (3201 Activities)

Discover Target: CTSD

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

CASP3 Tchem Caspase-3 (3632 Activities)

Discover Target: CASP3

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

CASP2 Tchem Caspase-2 (173 Activities)

Discover Target: CASP2

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

CASP8 Tchem Caspase-8 (1006 Activities)

Discover Target: CASP8

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

CTSB Tchem Cathepsin B (3822 Activities)

Discover Target: CTSB

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

CTSG Tchem Cathepsin G (2304 Activities)

Discover Target: CTSG

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

MMP3 Tchem Matrix metalloproteinase 3 (3433 Activities)

Discover Target: MMP3

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

ECE1 Tchem Endothelin-converting enzyme 1 (674 Activities)

Discover Target: ECE1

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

CASP9 Tchem Caspase-9 (154 Activities)

Discover Target: CASP9

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

CASP7 Tchem Caspase-7 (3146 Activities)

Discover Target: CASP7

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

MMP1 Tchem Matrix metalloproteinase-1 (7046 Activities)

Discover Target: MMP1

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

ATG4B Tchem Cysteine protease ATG4B (985 Activities)

Discover Target: ATG4B

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

CAPN2 Tchem Calpain1/2 (15 Activities)

Discover Target: CAPN2

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

HEK-293T (167025 Activities)

Explore this target

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

PSMB2 Tclin 20S proteasome (530 Activities)

Discover Target: PSMB2

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

CAPN9 Tbio Calpain-9 (15 Activities)

Discover Target: CAPN9

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

Associated Targets(non-human)

Mmp9 Matrix metalloproteinase 9 (38 Activities)

Discover Target: Mmp9

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

Trypanosoma brucei brucei (13300 Activities)

Explore this target

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

Mechanisms of Action

Certificates（CoA,COO,BSE/TSE and Analysis Chart)

C of A & Other Certificates(BSE/TSE, COO):

Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

5 results found

Lot Number	Certificate Type	Date	Item
G2215394	Certificate of Analysis	Apr 03, 2026	F275658
G2215407	Certificate of Analysis	Apr 03, 2026	F275658
G2215467	Certificate of Analysis	Apr 03, 2026	F275658
G2215691	Certificate of Analysis	Apr 03, 2026	F275658
L2417330	Certificate of Analysis	Oct 11, 2025	F275658

Chemical and Physical Properties

Solubility	Soluble in DMSO to 10 mM
Molecular Weight	386.400 g/mol
XLogP3	3.300
Hydrogen Bond Donor Count	2
Hydrogen Bond Acceptor Count	5
Rotatable Bond Count	10
Exact Mass	386.164 Da
Monoisotopic Mass	386.164 Da
Topological Polar Surface Area	84.500 Å²
Heavy Atom Count	28
Formal Charge	0
Complexity	517.000
Isotope Atom Count	0
Defined Atom Stereocenter Count	2
Undefined Atom Stereocenter Count	0
Defined Bond Stereocenter Count	0
Undefined Bond Stereocenter Count	0
The total count of all stereochemical bonds	0
Covalently-Bonded Unit Count	1

Documents & Articles

Dual Cross-linking ChIP Protocol

Categories: Protocols

Tags:

Antibody Immunoprecipitation Nuclease Cross-linking ChIP Proteinase K double cross-linking@formaldehyde EGS protein-DNA interaction

Solution Calculators

Molarity Calculator

Determine the necessary mass, volume, or concentration for preparing a solution.

Dilution Calculator

Determine the dilution needed to prepare a stock solution.

Reconstitution Calculator

Reviews

Bulk & Custom Packaging Need larger quantities or custom specifications? Contact our team for a tailored quote.

Z-FA-FMK - ≥98% , CAS No.105637-38-5

Why this grade

Storage & shipping

Quality documents

Literature proof

Overview

Specifications