Methotrexate(WR19039; CL14377) can interfere with the growth of certain cells of the body, especially cells that reproduce quickly, such as cancer cells, bone marrow cells, and skin cells.

Methocarbamol is a central muscle relaxant used to treat skeletal muscle spasms.

Methimazole(Tapazole, Northyx) is an antithyroid medicine.

MethADP is a specific CD73 inhibitor.

Methacycline HCl (Physiomycine)

Metformin HCl(Glucophage)

Metesind glucuronate (AG 331.

Metaxalone(AHR438;NSC170959) is a muscle relaxant used to relax muscles.

Metadoxine blocks adipocyte differentiation in association with inhibition of the protein kinase A-cAMP response element binding protein (PKA-CREB) pathway.

Mestranol

Meropenem

Meloxicam (Mobic)

MELK inhibitor 17 is a potent, selective MELK inhibitor with Ki/IC50 of 0.39/3 nM, >100-fold selectivity over CHK1, CAMKK2, NUAK1 and ERK2.

Melflufen (Melphalan flufenamide, J1) is a novel dipeptide and alkylating prodrug of melphalan, inhibits angiogenesis in vitro and in vivo.

Meleagrin is an antibiotic derived from a deep ocean, penicillin-producingP. chrysogenum.

Melanocyte-stimulating hormone release-inhibiting factor (MSH-R-IF) is a hypothalamic tripeptide that binds to rat striatum (Kd = 4.69 nM) and has diverse biological activities.

Meclofenoxate hydrochloride, an ester of dimethylethanolamine (DMAE) and 4-chlorophenoxyacetic acid (pCPA), has been shown to improve memory, have a mentally stimulating effect, and improve general cognition.

Mecarbinate

Meayamycin is an analogue of FR901464 that binds to the splicing factor 3b (SF3b) complex and inhibits pre-mRNA splicing, shows picomolar antiproliferative activity against various cancer cell lines and multidrug-resistant cells..

MDA 19 is a selective human CB2 receptor agonist with Ki of 43.3 nM.

MCT1-IN-4a is a potent, selective monocarboxylate transporter 1 (MCT1) inhibitor with IC50 of 90 nM.

MCOPPB 3Hcl is a nociceptin receptor agonist with pKi of 10.07; weaker activity at other opioid receptors.

Mcl-1-Puma inhibitor 8 is a small-molecule dual-acting compound that targets the apoptotic Mcl-1-PUMA interface with Ki of 0.3 uM (Mcl-1, FPA), reduces multiple cancer cells and inhibits PUMA-mediated apoptosis.

Mcl1-IN-2 is an Mcl-1 inhibitor without a reported IC50 value..

MCL0129 is a selective, potent melanocortin-4 receptor (MC4R) antagonist with Ki of 7.9 nM, without affinity for MC1 and MC3.

Mca-DEVDAPK(Dnp)-OH is a substrate for caspase-3.

MC2884 is a novel hybrid, dual HAT/EZH2 inhibitor with IC50 of 3.27, 8.35 and 4.56 uM for CBP, KAT5 and p300, respectively.

MC-1575 is a potent and selective class IIa HDAC inhibitor with IC50 of 440 nM for maize HD1-A, displays >70-fold selectivity over HD1-B.

MBQ-167 is a dual Rac/Cdc42 inhibitor, with IC50s of 103 nM for Rac 1/2/3 and 78 nM for Cdc42 in MDA-MB-231 cells, respectively.

MARPIN is a novel ATR-Chk1 pathway inhibitor that inhibits hydroxyurea (HU)-induced phosphorylation of Ser345 on Chk1 with IC50 of 7.7 uM.