L-Norleucine

Canthaxanthin is a natural or synthetic orange-red carotenoid pigment. It is widely found in mushrooms, algae, crustaceans (such as shrimp and crab), and fish in nature.

Key intermediate for Florfenicol

Animal-specific antibacterial drugs for sensitive bacteria caused by pigs, chickens and fish bacterial diseases, especially for respiratory infections and intestinal infections.

3-(1-Naphthyl)-L-alanine is an alanine derivative.

CAS No.: 55516-54-6


molecular formula: C13H13NO2


molecular weight: 215.25

L-3-Pyridylalanine is an alanine derivative.

CAS No.: 64090-98-8

molecular formula: C8H10N2O2

molecular weight: 166.18

L‑BASE is a high‑purity chiral intermediate developed and manufactured by Leadsynbio using proprietary enzymatic catalysis technology, serving as a key building block for the synthesis of active pharmaceutical ingredients and nutritional compounds.

L-Norvaline is a non-proteinogenic amino acid that exhibits biological activities including antioxidant effects, improvement of insulin resistance, and promotion of nitric oxide production. It can also serve as a pharmaceutical intermediate in the synthesis of ACE inhibitors.

L-Penicillamine is a key intermediate of many drugs.

CAS No.: 1113-41-3

molecular formula: C5H11NO2S

molecular weight: 149.21

L-selenomethionine is biologically active and occurs naturally in food. It is an important source of organic selenium and is currently recognized as the organic selenium source with the highest bioavailability—as high as 80% to 90%. It is actively absorbed as an amino acid and remains in the body for an ex...

Lycopene is an intermediate substance in the biosynthesis of carotenoids in plants. It is lipophilic and bright red, and is found in tomatoes and other red fruits and vegetables.

β-nicotinamide adenine dinucleotide, is an important coenzyme, which participates in many physiological activities, such as cell material metabolism, energy synthesis, cell DNA repair and so on. Uses: Used in biocatalysis, food, cosmetics and diagnostic reagents.

NMN is a precursor to NAD⁺, a key coenzyme that supports cellular energy production, DNA repair, and mitochondrial health.