MKI-3 is a selective microtubule-associated serine/threonine kinase-like (MASTL) inhibitor with an IC50 of 5.72 nM and a Kd of 1.89 nM. MKI-3 disrupts the MASTL-ENSA-Aurora A signaling axis. MKI-3 induces chromosomal instability, mitotic catastrophe and apoptosis (apoptosis) in cancer cells. MKI-3 is applicable to research related to triple-negative breast cancer.

m-Iodobenzylguanidine (Iobenguane) is a ligand with high affinity against norepinephrine transporter (NET). m-Iodobenzylguanidine is used as an imaging agent in the diagnostic imaging and radionuclide studies of neuroendocrine tumors, such as neuroblastoma, pheochromocytoma and carcinoid tumor.

MGAT2-IN-7 (compound 27Q) is a substituted benzenesulfonamide compound and also a monoacylglycerol acyltransferase 2 (MGAT2) inhibitor. MGAT2-IN-7 is used for research on obesity and metabolic dysfunction-associated steatotic liver disease (MASLD).

METTL3-IN-13 is a METTL3 inhibitor. METTL3-IN-13 is applicable to the research of multiple cancers such as hypopharyngeal squamous cell carcinoma and non-small cell lung cancer.

Methyl 8(Z),11(Z),14(Z),17(Z),20(Z)-tricosapentaenoate is an unsaturated fatty acid methyl ester (FAME)。

Methyl 7(E)-nonadecenoate is an unsaturated fatty acid methyl ester (FAME)。

Methyl 6(Z),9(Z),12(Z),15(Z),18(Z)-tetracosapentaenoate is an unsaturated fatty acid methyl ester (FAME)。

Methyl 5-aminovalerate hydrochloride is a PROTAC linker that can be used in the synthesis of PROTACs.

Methyl 10(Z),13(Z),16(Z)-docosatrienoate is an unsaturated fatty acid methyl ester (FAME)。

Menin-MLL-IN-37 is an orally active Menin-MLL protein complex inhibitor with an IC50 of 820.50 nM. Menin-MLL-IN-37 disrupts the interaction between menin and MLL proteins. Menin-MLL-IN-37 induces differentiation of acute myeloid leukemia cells and selectively inhibits the proliferation of MLL-rearranged and DNMT3A/NPM1-mutant leukemia cells. Menin-MLL-IN-37 can be used for the research of acute myeloid leukemia (AML).

Memagal is an AchE inhibitor (IC50 = 1.16 nM) and a NMDAR antagonist (Ki = 4.6 μM). Memagal inhibits the neurotoxicity induced by NMDA, with its IC50 value being 0.28 nM. Memagal can be used for research on Alzheimer's disease.

MEK-IN-9 (Compound 4-82) is a MEK inhibitor. MEK-IN-9 induces p15 and p27 protein. MEK-IN-9 can be used in the research of renal adenocarcinoma and colorectal cancer.

Meayamycin B ((+)-Meayamycin B) is a potent SF3B1 inhibitor. Meayamycin B upregulates the proapoptotic Mcl-1S and downregulates Mcl-1L at the pre-mRNA splicing level. Meayamycin B does not regulate the alternative splicing of Bcl-x. Meayamycin B and ABT-737 synergistically causes Apoptosis. Meayamycin B exhibits anticancer activity against non-small cell lung cancer.

MDH2-IN-2 is an orally active MDH2 inhibitor with an IC50 of 5.9 μM. MDH2-IN-2 reduces the levels of senescence markers and senescence-associated secretory phenotype (SASP) factors in mammalian cell models. MDH2-IN-2 extends the lifespan and improves the healthspan of *Caenorhabditis elegans*. MDH2-IN-2 alleviates tissue senescence in aged mice, inhibits SASP factors, and restores liver and kidney functions. MDH2-IN-2 is applicable for senescence-related research.

MC-GGFG-3-Methylenecyclobutyl (compound L-7B) is an ADC linker used in the synthesis of antibody-drug conjugates (ADCs).

Mc-Asn-Asn-E104 is a conjugate of E104 and a legumain-cleavable linker, can be used for the synthesis of E104 ISACs.

Mc-Asn-Asn is a legumain cleavable linker for antibody-drug conjugates (ADCs) which couples the antibody element to the effecting compound. Mc-Asn-Asn can be used in the synthesis of ADCs.

Mardepodect precursor is the precursor of Mardepodect. Mardepodect precursor. Mardepodect is a potent, selective orally active, and brain-penetrant PDE10A inhibitor with an IC50 of 0.37 nM, with >1000-fold selectivity over other PDEs.

Mal-Cyclobutane-1,1-dicarboxamide-Cit-PAB-MMAE (Compound 31) is a Drug-Linker Conjugates for ADC. Mal-Cyclobutane-1,1-dicarboxamide-Cit-PAB-MMAE is composed of MMAE and Mal-Cyclobutane-1,1-dicarboxamide-Cit-PAB carbonic acid .

Mafoprazine methanesulfonate is a phenylpiperazine derivative with variable affinities for neuronal receptors. It may exert its antipsychotic effects primarily through D2 receptor blockade and α-adrenergic activity, and may increase the activity of dopamine metabolites.

M4K-2009 is an BBB-penetrant inhibitor of ALK2 with an IC50 of 13 nM. M4K-2009 is an analogue of LDN-214117. M4K-2009 is also active against the hERG potassium channel.

Lys-PEG3-BA is an EML4-ALK/EGFR PROTAC degrader with DC50 values of 1.32 and 19.66 μM for H3122 (EML4-ALK) and H1975 (EGFR-L858R/T790M) cells, respectively. Lys-PEG3-BA hinders proliferation via rewiring the ubiquitin- proteasome system in vitro. Lys-PEG3-BA can be used for non-small cell lung cancer research.

LY-33169 is an antitumor agent. LY-33169 had selective cytotoxicity against Colon Adenocarcinoma-38, Human Colon-116, Human Prostate LNCaP, and Human Breast WSU-Br-1 cells.

LY 78335 (DCMB) is a brain-penetrant phenylethanolamine-N-methyltransferase (PNMT) inhibitor with a Ki of 0.09 μM. LY 78335 acts as an α₂-adrenoceptor inhibitor with an IC50 of 10 μM. LY 78335 increases spontaneous locomotor activity in rats. LY 78335 increases extracellular concentration of 3-methoxy-4-hydroxyphenylglycol (MHPG) in rat hypothalamus. LY 78335 prevents growth hormone (GH) secretion in rats. LY 78335 can be used for the research of depression.

LXR modulator-1 (Compound 21/3) is a LXR modulator with an EC50 of less than 100 nM. LXR modulator-1 can be used for studying LXR-mediated diseases such as non-alcoholic fatty liver disease.

LSD1-IN-48 is a tranylcypromine-pyrimidine derivative and selective LSD1 inhibitor with a human IC50 of 7.87 nM. LSD1-IN-48 increases H3K4me1/2 histone methylation levels. LSD1-IN-48 induces apoptosis, upregulates CD86, downregulates SOX2 and CD44, inhibits proliferation in cancer cells. LSD1-IN-48 can be used for the research of acute myeloid leukemia.

LSD1-IN-46 is a potent and orally active Lysine-specific demethylase 1 (LSD1) inhibitor with an IC50 of 0.082 μM. LSD1-IN-46 interrupts the β-catenin-mediated transcriptional program, thereby suppressing the stemness of gastric cancer cells. LSD1-IN-46 exhibits strong anti-tumor activity. LSD1-IN-46 can be used for the research of gastric cancer.

LP293-p is a lipid with activated ester groups, which can be used for the synthesis of ATXN2 RNAi. LP293-p can be utilized to enhance the targeting of the central nervous system (CNS).

Lortalamine (LM 1404) is a selective norepinephrine transporter inhibitor with an IC50 of <1 nM. Lortalamine is a non-tricyclic antidepressant. Lortalamine antagonises Reserpine-induced ptosis and hypothermia. Lortalamine inhibits norepinephrine uptake.

LG190155 is a nonsteroidal vitamin D receptor (VDR) agonist. LG190155 activates VDR in mesenchymal stem cells, thereby upregulating the BMP6-IL6 autocrine axis. Pretreatment of mesenchymal stem cells with LG190155 significantly enhances their ability to induce differentiation of acute myeloid leukemia cells, without inducing hypercalcemia. LG190155 is applicable to research related to acute myeloid leukemia (AML).