Synthetic Method and Nucleophilic Aromatic Substitution of 3,4-Difluorobenzonitrile
3,4-Difluorobenzonitrile is primarily used as a synthetic raw material for pharmaceuticals, dyes, and liquid crystal materials.
May 4，2026 API
Applications of tricobalt tetraoxide
Tricobalt tetraoxide is a stable multifunctional material, while it can effectively optimize surface active sites to achieve H2S detection.
May 4，2026 Inorganic chemistry
Methanesulfonamide: Medicinal Value and Urinary Detection Analysis
Methanesulfonamide is a core sulfonamide scaffold in multiple drugs, and a validated derivatization-coupled LC-MS/MS method was established.
May 4，2026 Chemical Materials
Levothyroxine: Standard Hormone Therapy for Hypothyroidism
Levothyroxine is a synthetic form of thyroxine used to treat hypothyroidism by replacing or supplementing deficient natural thyroid hormones.
May 4，2026 API
Synhtesis and Polymerization properties of 1-Ethynyl-1-cyclohexanol
As a tertiary alcohol, 1-Ethynyl-1-cyclohexanol can be prepared via the nucleophilic addition reaction of ethynyl Grignard reagent with cyclohexanone.
May 3，2026 API
Industrial Production and Chemical Properties of Methyl 4-chloropicolinate
Methyl 4-chloropicolinate can be prepared by the esterification reaction of the corresponding chlorinated pyridine carboxylic acid with methanol.
May 3，2026 API
Lead Acetate Trihydrate: Detection Applications and Toxicity
Lead acetate trihydrate enables sensitive H2S detection, but long-term exposure causes severe renal damage, which can be alleviated by piperine.
May 3，2026 Inorganic chemistry
1,2,3,4-Tetrahydro-9-methylcarbazol-4-one: Key Intermediate for Antiemetic Drugs
1,2,3,4-Tetrahydro-9-methylcarbazol-4-one is a critical nitrogen heterocyclic intermediate for ondansetron, and its derivatives show potent 5-HT3 affinity.
May 2，2026 Organic Chemistry
Methylene-bis(4-cyclohexylisocyanate) for High-Performance Polyurethanes
Methylene-bis(4-cyclohexylisocyanate) enables intrinsic self-healing PU elastomers via dynamic hydrogen bonding and forms tailored elastomers.
May 2，2026 Chemical Reagents
Synthesis and Biological Activity of 5-Methyluridine
5-Methyluridine is primarily used as a biochemical synthesis reagent and a fundamental raw material in medicinal chemistry.
May 1，2026 API