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.

C2 Ceramide (Ceramide 2) is the main lipid of the stratum corneum and a protein phosphatase 1 (PP1) activator. C2 Ceramide activates PP2A and ceramide-activated protein phosphatase (CAPP). C2 Ceramide induces cells differentiation and apoptosis, inhibits mitochondrial respiratory chain complex III. C2 Ceramide is also a skin conditioning agent that protects the epidermal barrier from water loss.

ARL67156 trisodium salt hydrate is an inhibitor of ecto-ATPase. ARL67156 trisodium salt hydrate is a weak competitive inhibitor of NTPDase1 (CD39), NTPDase3 and NPP1, with Kis of 11, 18 and 12?μM, respectively. ARL67156 trisodium salt hydrate prevents in vivo the development of calcific aortic valve disease.

1-Naphthyl phosphate potassium salt is a non-specific phosphatase inhibitor. 1-Naphthyl phosphate potassium salt decreases the splice-correcting effect.

Naphthol AS-BR is a substrate for the histochemical demonstration of acid and alkaline phosphatase.

PHPS1 sodium is a potent and selective Shp2 inhibitor with Kis of 0.73, 5.8, 10.7, 5.8, and 0.47 μM for Shp2, Shp2-R362K, Shp1, PTP1B, and PTP1B-Q, respectively.

AQX-435 is a potent SHIP1 phosphatase activator. AQX-435 reduces PI3K activation downstream of the B-cell receptor (BCR) and induces apoptosis of malignant B cells, and reduces lymphoma growth.

3,5-Difluoro-L-tyrosine is a functional, tyrosinase-resistant mimetic of tyrosine. 3,5-Difluoro-L-tyrosine can be used to analyze the substrate specificity of protein tyrosine phosphatases (PTPs).

NSC-87877 disodium is a potent inhibitor of Shp2 and Shp1 protein tyrosine phosphatases (SH-PTP2 and SH-PTP1), with IC50 values of 0.318 μM, 0.355 μM shp2 and shp1, respectively. NSC-87877 also inhibits dual-specificity phosphatase 26 (DUSP26).

Chrysophanol triglucoside is an anthraquinone isolated from Cassia obtusifolia, inhibits protein tyrosine phosphatases 1B (PTP1B) and α-glucosidase with IC50s of 80.17 and 197.06 μM, respectively. Chrysophanol triglucoside has the potential for diabetes research.

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

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.

[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).

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

L-690330 hydrate is a competitive of inositol monophosphatase (IMPase) with Kis of 0.27 and 0.19 μM for recombinant human and bovine IMPase, 0.30 and 0.42 μM for human and bovine frontal cortex IMPase, respectively. L-690330 hydrate exhibits 10-fold more sensitive than mouse and rat IMPase.

SHIP2-IN-1 is a potent SHIP2, inhibits SHIP2 activity, with an IC50 of 2 µM. SHIP2-IN-1 blocks GSK3β activation by phosphorylation at the Ser9 residue. SHIP2-IN-1 is used in the research of Alzheimer’s disease.

NAZ2329, the first cell-permeable inhibitor of R5 subfamily of receptor-type protein tyrosine phosphatases (RPTPs), allosterically and preferentially inhibits PTPRZ (IC50=7.5 µM for hPTPRZ1) and PTPRG (IC50=4.8 µM for hPTPRG) over other PTPs. NAZ2329 bind

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.

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.

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...

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

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.