7-Dehydrocholesterol acetate is the acetate ester of 7-dehydrocholesterol and serves as an important intermediate in the chemical synthesis of vitamin D3.

Fmoc-L-Lys(Boc)-OH is a lysine derivative.

Boc-Lys(2-Cl-Z)-OH is a lysine derivative.

Rink Amide Linker, i.e. 4-[(2,4-dimethoxyphenyl)(Fmoc-amino)methyl]phenoxyacetic acid (C32H29NO7, MW 539.58), is a widely used amide linker for Fmoc solid-phase peptide synthesis; after chain assembly, cleavage with trifluoroacetic acid releases the peptide as a C-terminal amide.

Adenine hemisulfate (6-Aminopurine hemisulfate), a purine, is one of the four nucleobases in the nucleic acid of DNA.

5-Chloro-2,1,3-benzothiadiazole is a benzothiadiazole heterocycle widely used in the synthesis of organic electronic materials and functional small molecules.

5-Chloro-4-nitro-2,1,3-benzothiadiazole can be prepared by nitration of 5-chloro-2,1,3-benzothiadiazole and is a key intermediate for the preparation of 4-aminobenzothiadiazole derivatives.

4-Amino-5-chloro-2,1,3-benzothiadiazole is obtained by reduction of the nitro group of 5-chloro-4-nitro-2,1,3-benzothiadiazole and serves as an important building block in the synthesis of heterocyclic functional molecules.

Syringaldehyde is a polyphenolic compound belonging to the group of flavonoids; moderately inhibits COX-2 activity.

Thalidomide binds to the DDB1-CRBN E3 ubiquitin ligase complex.

Terephthalic acid diglycidyl ester, also known as diglycidyl terephthalate (DGT) (C14H14O6, MW 278.26), is a bifunctional epoxy monomer used as a cross-linker in the preparation of heat-resistant polymers and powder coatings.

2,3,4-Trihydroxybenzoic acid is an α-amylase inhibitor.

exo-2,3-Norbornanedicarboximide, i.e. (3aR,4S,7R,7aS)-hexahydro-1H-4,7-methanoisoindole-1,3(2H)-dione (C9H11NO2, MW 165.19), is the exo isomer obtained by Diels-Alder addition of cyclopentadiene and maleimide followed by hydrogenation.

4-Aminophenethyl alcohol, i.e. 2-(4-aminophenyl)ethanol (C8H11NO, MW 137.18), is an aromatic amine bearing an amino group and a 2-hydroxyethyl group at para positions on the benzene ring, commonly used as a starting material in organic synthesis and fine chemical preparation.

4-(3-Formylphenoxy)benzonitrile (CAS 90178-72-6, C14H9NO2, MW 223.23) can be used as Crisaborole Impurity 12, serving as a reference standard in the synthesis studies and quality analysis of Crisaborole.

Teneligliptin is a highly potent, selective, long-lasting and active dipeptidyl peptidase IV (DPP-4) inhibitor.