Tyrphostin B44, (+) enantiomer is an inhibitor of epidermal growth factor receptor (EGFR) kinase with IC50 of 0.86 μM. Less active than the (-) enantiomer.

Specifications

Synonyms

Specifications & Purity

≥98%

Biochemical and Physiological Mechanisms

Epidermal growth factor receptor (EGFR) kinase inhibitor (IC50= 0.86μM). Slightly less active than the(-) enantiomer.(-)-enantiomeralso available.

Storage

Protected from light, Store at -20°C, Argon charged, Desiccated

Shipped In

Ice chest + Ice pads

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

Action Type

INHIBITOR

Purity

≥98%

Names and Identifiers

Pubchem Sid	504763633
Pubchem Sid Url	https://pubchem.ncbi.nlm.nih.gov/substance/504763633
Canonical Smiles	CC(C1=CC=CC=C1)NC(=O)C(=CC2=CC(=C(C=C2)O)O)C#N
IUPAC Name	(E)-2-cyano-3-(3,4-dihydroxyphenyl)-N-[(1S)-1-phenylethyl]prop-2-enamide
InChIKey	UMGQVUWXNOJOSJ-DGGAMASNSA-N
INCHI	1S/C18H16N2O3/c1-12(14-5-3-2-4-6-14)20-18(23)15(11-19)9-13-7-8-16(21)17(22)10-13/h2-10,12,21-22H,1H3,(H,20,23)/b15-9+/t12-/m0/s1
Isomeric SMILES	C[C@@H](C1=CC=CC=C1)NC(=O)/C(=C/C2=CC(=C(C=C2)O)O)/C#N
PubChem CID	5328769
Molecular Weight	308.34

Documentation

📋 Safety Data Sheet (SDS)

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

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✅ Certificate of Analysis (COA)

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

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📊 Datasheet

Quick-reference summary of product specifications and applications.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

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Advanced Data

Taxonomic Classification

Taxonomy Tree

Kingdom Organic compounds
- Superclass Phenylpropanoids and polyketides
  - Class Cinnamic acids and derivatives
    - Subclass Hydroxycinnamic acids and derivatives

Kingdom	Organic compounds
Superclass	Phenylpropanoids and polyketides
Class	Cinnamic acids and derivatives
Subclass	Hydroxycinnamic acids and derivatives
Intermediate Tree Nodes	Not available
Direct Parent	Hydroxycinnamic acids and derivatives
Alternative Parents	Cinnamic acid amides Catechols 1-hydroxy-4-unsubstituted benzenoids 1-hydroxy-2-unsubstituted benzenoids Benzene and substituted derivatives Secondary carboxylic acid amides Nitriles Organic oxides Hydrocarbon derivatives Carbonyl compounds
Molecular Framework	Aromatic homomonocyclic compounds
Substituents	Cinnamic acid amide - Hydroxycinnamic acid or derivatives - Catechol - 1-hydroxy-4-unsubstituted benzenoid - 1-hydroxy-2-unsubstituted benzenoid - Phenol - Monocyclic benzene moiety - Benzenoid - Carboxamide group - Secondary carboxylic acid amide - Carboxylic acid derivative - Carbonitrile - Nitrile - Organic nitrogen compound - Organonitrogen compound - Organooxygen compound - Hydrocarbon derivative - Organic oxide - Cyanide - Organic oxygen compound - Carbonyl group - Aromatic homomonocyclic compound
Description	This compound belongs to the class of organic compounds known as hydroxycinnamic acids and derivatives. These are compounds containing an cinnamic acid (or a derivative thereof) where the benzene ring is hydroxylated.
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)

VDR Tclin Vitamin D receptor (26531 Activities)

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

TSHR Tclin Thyroid stimulating hormone receptor (29986 Activities)

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

COMT Tclin Catechol O-methyltransferase (404 Activities)

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

GLA Tclin Alpha-galactosidase A (5444 Activities)

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

ARSA Tbio Cerebroside-sulfatase (655 Activities)

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

ALOX15B Tchem Arachidonate 15-lipoxygenase, type II (7244 Activities)

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

ALDH1A1 Tchem Aldehyde dehydrogenase 1A1 (77053 Activities)

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

ALOX12 Tchem Arachidonate 12-lipoxygenase (3262 Activities)

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

CYP2D6 Tclin Cytochrome P450 2D6 (33882 Activities)

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

NFKB1 Tclin Nuclear factor NF-kappa-B p105 subunit (1459 Activities)

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

ALOX15 Tchem Arachidonate 15-lipoxygenase (7108 Activities)

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

CYP1A2 Tchem Cytochrome P450 1A2 (26471 Activities)

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

CYP2C9 Tchem Cytochrome P450 2C9 (32119 Activities)

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

CYP2C19 Tchem Cytochrome P450 2C19 (29246 Activities)

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

CYP3A4 Tclin Cytochrome P450 3A4 (53859 Activities)

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

TP53 Tchem Cellular tumor antigen p53 (48468 Activities)

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SH-SY5Y (11521 Activities)

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HEK293 (82097 Activities)

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HIF1A Tchem Hypoxia-inducible factor 1 alpha (6027 Activities)

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

HSD17B10 Tchem Endoplasmic reticulum-associated amyloid beta-peptide-binding protein (20669 Activities)

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

POLK Tbio DNA polymerase kappa (8653 Activities)

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

POLI Tchem DNA polymerase iota (116820 Activities)

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

POLH Tchem DNA polymerase eta (21678 Activities)

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

APEX1 Tchem DNA-(apurinic or apyrimidinic site) lyase (38016 Activities)

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

EHMT2 Tchem Histone-lysine N-methyltransferase, H3 lysine-9 specific 3 (93046 Activities)

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

TDP1 Tchem Tyrosyl-DNA phosphodiesterase 1 (345557 Activities)

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

KDM4E Tchem Lysine-specific demethylase 4D-like (40243 Activities)

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

SMN1 Tchem Survival motor neuron protein (34246 Activities)

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BLM Tchem Bloom syndrome protein (4248 Activities)

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

THPO Tbio Thrombopoietin (834 Activities)

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

GMNN Tbio Geminin (128009 Activities)

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

PMP22 Tbio Peripheral myelin protein 22 (699 Activities)

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

CBX1 Tbio Chromobox protein homolog 1 (92434 Activities)

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

MPHOSPH8 Tbio M-phase phosphoprotein 8 (656 Activities)

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

APOBEC3G Tchem DNA dC->dU-editing enzyme APOBEC-3G (12481 Activities)

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

HSPA5 Tchem 78 kDa glucose-regulated protein (3319 Activities)

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

ATXN2 Tbio Ataxin-2 (54410 Activities)

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

USP1 Tchem Ubiquitin carboxyl-terminal hydrolase 1 (22556 Activities)

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

RGS4 Tchem Regulator of G-protein signaling 4 (13867 Activities)

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

MEN1 Tchem Menin/Histone-lysine N-methyltransferase MLL (48157 Activities)

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

GNAI1 Tbio Guanine nucleotide-binding protein G(i) subunit alpha-1/Regulator of G-protein signaling 12 (61 Activities)

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

Associated Targets(non-human)

Mapk1 MAP kinase ERK2 (650 Activities)

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

Hdac6 Histone deacetylase 6 (222 Activities)

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

Saccharomyces cerevisiae (19171 Activities)

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Plasmodium falciparum (966862 Activities)

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lef Anthrax lethal factor (7585 Activities)

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

rep Replicase polyprotein 1ab (378 Activities)

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

pfk 6-phospho-1-fructokinase (7870 Activities)

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

Txnrd1 Thioredoxin reductase 1, cytoplasmic (45279 Activities)

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

Mapt Microtubule-associated protein tau (6 Activities)

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

Rorc Nuclear receptor ROR-gamma (89407 Activities)

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

Impa1 Inositol monophosphatase 1 (16203 Activities)

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

ffp 4'-phosphopantetheinyl transferase ffp (24982 Activities)

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

FTL Ferritin light chain (43324 Activities)

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

nfo Endonuclease 4 (425 Activities)

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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.

3 results found

Lot Number	Certificate Type	Date	Item
K2101128	Certificate of Analysis	Aug 19, 2024	T288351
K2101168	Certificate of Analysis	Aug 19, 2024	T288351
K2101169	Certificate of Analysis	Aug 19, 2024	T288351

Chemical and Physical Properties

Solubility	Solvent:DMSO, Max Conc. mg/mL: 9.25, Max Conc. mM: 30
Sensitivity	light & heat & air sensitive
Specific Rotation[α]	96° (C=0.5,MeOH)
Melt Point(°C)	146 °C
Molecular Weight	308.300 g/mol
XLogP3	2.700
Hydrogen Bond Donor Count	3
Hydrogen Bond Acceptor Count	4
Rotatable Bond Count	4
Exact Mass	308.116 Da
Monoisotopic Mass	308.116 Da
Topological Polar Surface Area	93.400 Å²
Heavy Atom Count	23
Formal Charge	0
Complexity	488.000
Isotope Atom Count	0
Defined Atom Stereocenter Count	1
Undefined Atom Stereocenter Count	0
Defined Bond Stereocenter Count	1
Undefined Bond Stereocenter Count	0
The total count of all stereochemical bonds	1
Covalently-Bonded Unit Count	1

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Tyrphostin B44, (+) enantiomer - ≥98% , CAS No.133550-37-5

Why this grade

Storage & shipping

Quality documents

Literature proof

Overview

Specifications

Documentation

📋 Safety Data Sheet (SDS)

✅ Certificate of Analysis (COA)

📊 Datasheet

🔬 Specification Sheet

Advanced Data

Molarity Calculator

Dilution Calculator

Reconstitution Calculator

Customer Reviews

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