20b-Dihydroprogesterone (Compond III) is a C-21 steroid found in water beetles Cybister limbatus, C. tripunctatus and C. confuses.

20(Z),23(Z),26(Z),29(Z),32(Z),35(Z)-Octatriacontahexaenoic acid is an unsaturated fatty acid.

2,4-TDI dimer is a dimer formed by the polymerization of two molecules of toluene-2,4-diisocyanate (2,4-TDI). 2,4-TDI dimer is mainly used for the preparation of long-lasting inner layer materials for solid rocket engines.

2,4-Dimethoxybenzaldehyde is a tumor initiator with genotoxic property. 2,4-Dimethoxybenzaldehyde can induce benign papilloma development and converse to squamous cell carcinoma in the skin of susceptible mouse models. 2,4-Dimethoxybenzaldehyde can be used for skin cancer research.

2,3-Dimethylbenzoic acid is a transition metal catalyst.

2-(Dimethylamino)ethylphosphonic acid is a nucleoside metabolite.

2-(2-Chloroethoxy)ethanol is an unclassified residual solvent and known impurity, with an acceptance criterion of 0.10%.2-(2-Chloroethoxy)ethanol serves as a starting material in quetiapine synthesis.

1-Stearin-3-hexanoin is a diglyceride.

1-Stearin-2-petroselinin-3-olein is an acylglycerol.

1-Stearin-2-linolein is a lipid that can be used to prepare lipid nanoparticles (LNPs) for drug delivery.

1-Palmitin-2-sapienoin-3-palmitolein is an acylglycerol.

1-Olein-2-myristin is an acylglycerol.

1-Olein-2-butyrin-3-palmitin is an acylglycerol.

1-Myristoyl-2-oleoyl-3-docosanoyl-rac-glycerol is an acylglycerol.

1-Myristoyl-2-docosahexaenoyl-sn-glycero-3-phosphatidylcholine is a phosphatidylcholine.

1-Methyl-1H-indazol-5-amine is a drug intermediate that can be used for the synthesis of TRPM5 agonists.

1-Linolein-2-olein is an acylglycerol.

1-Laurin-2-olein is a glycerolipid.

1-Laurin-2-linolein-3-olein is an acylglycerol.

1-Hexanoin-2-palmitin-3-olein is an acylglycerol.

1-Heptadecanoin-3-stearin is an acylglycerol.

1-Heptadecanoin-3-olein is an acylglycerol.

1-Decanoin-3-myristin is an acylglycerol.

1-Decanoin-3-laurin is an acylglycerol.

1-Decanoin-2-palmitin is an acylglycerol.

1-Butyrin-2-palmitin-3-olein is an acylglycerol.

1-Butyrin-2-olein-3-palmitin is an acylglycerol.

1-Arachidonin-2-palmitin-3-olein is an acylglycerol.

1-Amino-3-(phosphonooxy)-2-propanone is a drug intermediate that can be used for the synthesis of vitamin B6.

1954U89 is a potent, lipid-soluble and orally active inhibitor of dihydrofolate reductase (DHFR). 1954U89 exhibits anticancer activity.