NSC45586 free base (NCS 45586, NCI45586) is a potent, specific PHLPP2 inhibitor with IC50 of 4 uM, targets the PHLPP2 PP2C domain, suppresses MYC and triggers cell death.

SHP2-IN-9 is a specific SHP2 inhibitor (IC50 =1.174 μM) with enhanced blood–brain barrier penetration. SHP2-IN-9 shows 85-fold more selective for SHP2 than SHP1. SHP2-IN-9 inhibits SHP2-mediated cell signal transduction and cancer cell proliferation, and inhibits the growth of cervix cancer tumors and glioblastoma growth in vivo.

(S)-ABBV-CLS-484 is a potent PTPN1 or PTPN2 inhibitor.

SHP2 inhibitor is an effective SHP2 allosteric inhibitors (IC50≤50 nM), blocking the activation of SHP2 by targeting the auto-inhibited conformation of SHP2 (WO2019183367A1, compound 118).

Rubratoxin A is a natural mycotoxin and competitive inhibitor of protein phosphatase 2A (PP2A) with an IC50 of 170 nM. Rubratoxin A causes suppression of tumor metastasis and reduction of primary tumor volume in mouse xenografts.

Trichomide A is a potent activator of SHP2. Trichomide A is a natural cyclodepsipeptide. Trichomide A displays immunosuppressive activity against activated T lymphocyte–mediated immune responses in Con A-activated T cells. Trichomide A have the potential for the research of immune-related skin diseases.

(E/Z)-BCI (NSC 150117) is a dual-specificity phosphatase 6 (DUSP6) inhibitor with anti-inflammatory activities. (E/Z)-BCI attenuates LPS-induced inflammatory mediators and ROS production in macrophage cells via activating the Nrf2 signaling axis and inhibiting the NF-κB pathway.

Endothall (Endothal) is a protein phosphatase 2A (PP2A) inhibitor with IC50s of 90 nM and 5 µM for PP2A and PP1, respectively. Endothall can be used as an herbicide. Endothall also is useful in cancer chemotherapy.

Calcium glycerophosphate is an inhibitor of intestinal alkaline phosphatase F3. Calcium glycerophosphate is a source of calcium and phosphorus in total parenteral nutrition solutions.

PTP1B-IN-15 is a potent and selective inhibitor of protein tyrosine phosphatase 1B (PTP1B). PTP1B-IN-15 has the potential for the research of type II diabetes and obesity.

Dibefurin is a fungal metabolite that acts as an inhibitor of calcineurin phosphatase.

Benzbromarone is a highly effective and well tolerated non-competitive inhibitor of xanthine oxidase, used as an uricosuric agent, used in the treatment of gout.

CDC25 Phosphatase Inhibitor I, BN82002, is a cell-permeable ortho-hydroxybenzylamino compound that has been reported to display antitumor properties.

SHP2 protein degrader-1 is a potent allosteric inhibitor of SHP2. SHP2 protein degrader-1 induces SHP2 degradation and cell apoptosis. SHP2 protein degrader-1 has the potential for the treatment of SHP2 related diseases.

BCI is A small-molecule, allosteric inhibitor of DUSP6 (dual-specificity phosphatase 6) with IC50 of 12.3 uM; also inhibits human DUSP1 with IC50 of 11.5 uM; suppresses the ERK-induced activation of Dusp6 and regulates heart size in zebrafish.

SC-43, a sorafenib derivative, is an agonist of Src-homology protein tyrosine phosphatase-1 (SHP-1/PTPN6) and reduces liver fibrosis. SC-43 reduces p-STAT3 and induces apoptosis with anti-tumor activity.

LMPTP inhibitor 1 is a potent molecule for diabetes which can increase liver IR phosphorylation in vivo and reverses high-fat diet-induced diabetes by inhibiting the IR phosphatase LMPTP.

Cytostatin is a potent and selective inhibitor of PP2A with promising antitumor activity. Cytostatin belongs to the fostriecin family of natural products.

Okadaic acid, a marine toxin, is an inhibitor of protein phosphatases (PP), including PP1 (IC50=15-50 nM), PP2A (IC50=0.1-0.3 nM), PP3 (IC50=3.7-4 nM), PP4 (IC50=0.1 nM), PP5 (IC50=3.5 nM), with a significantly higher affinity for PP2A. Okadaic acid increase of phosphorylation of a number of proteins by inhibiting PP, and acts a tumor promoter.

PTP1B-IN-14 is a selective PTP1B inhibitor (IC50 = 0.72 μM) targeting the allosteric site.

PTP1B-IN-13 is a selective PTP1B inhibitor targeting the allosteric site with an IC50 value of 1.59 μM.

BN82002 hydrochloride is a potent, selective and irreversible inhibitor of CDC25 phosphatase family. BN82002 hydrochloride inhibits CDC25A, CDC25B2, CDC25B3, CDC25C CDC25A, and 25C-cat with IC50 values of 2.4, 3.9, 6.3, 5.4, and 4.6 µM, respectively. BN82002 hydrochloride displays ~20-fold greater selectivity over CD45 tyrosine phosphatase.

LYP-IN-1 is a potent, selective and specific LYP inhibitor with a Ki and an IC50 of 110 nM and 0.259 μM, respectively. LYP-IN-1 also has selectivity for a large panel of PTPs, such as SHP1 (IC50=5 μM) and SHP2 (IC50=2.5 μM). LYP-IN-1 exhibits highly efficacious cellular activity in T- and mast cells. LYP-IN-1 can be used for the study of autoimmune disorders.

SHP2 IN-1 (compound 13) is an allergic inhibitor of SHP2 (PTPN11), with an IC50 of 3 nM.

Cassiaside B2 is a protein tyrosine phosphatase 1B (PTP1B) and human monoamine oxidase A (hMAO-A) inhibitor. Cassiaside B2 possesses antiallergic and is a 5-HT2C receptor agonist...

Cyanidin 3-arabinoside is a selective and reversible protein tyrosine phosphatase 1B (PTP1B) inhibitor, with an IC50 of 8.91 μM. Cyanidin 3-arabinoside is potential for the research of type 2 diabetes.

DPM-1001 trihydrochloride is a potent, specific, orally active and non-competitive inhibitor of protein-tyrosine phosphatase (PTP1B) with an IC50 of 100 nM. DPM-1001 trihydrochloride is an analog of the specific PTP1B inhibitor MSI-1436. DPM-1001 trihydrochloride has anti-diabetic property.

2-Bromo-4'-hydroxyacetophenone a PTP1B inhibitor, with a Ki of 42 μM.

[pTyr5] EGFR (988-993) TFA is derived from the autophosphorylation site (Tyr992) of epidermal growth factor receptor (EGFR 988-993). [pTyr5] EGFR (988-993) TFA is often complexed with the catalytically inactive protein-tyrosine phosphate 1B (PTP1B).

Calcineurin autoinhibitory peptide TFA is a selective inhibitor of Ca2+/calmodulin-dependent protein phosphatase (calcineurin), with an IC50 of ~10 μM. Calcineurin autoinhibitory peptide TFA could protect neurons from excitatory neuronal death.