Global Trade leader ecrobot

Nov 21 2025

L-n-valine is an amino acid and is one of the essential amino acids for the human body. It is a key component of protein synthesis and is crucial for the normal function and health of the body.

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S-Acetyl-L-glutathione

Nov 21 2025

S-acetyl-l-glutathione is used as an active pharmaceutical ingredient; Raw materials for health care products Pharmaceutical raw materials, etc.

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Hangzhou ROYALL Import &...

China [CN]

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N-Acetylneuraminic acid

Nov 21 2025

N-acetylneuraminic acid is the most widely distributed type of sialic acid (N-acylneuraminic acid) in nature, mainly composed of glycoproteins, glycolipids or bacterial capsular substances in animal c…

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Hangzhou ROYALL Import &...

China [CN]

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alpha-Arbutin

Nov 21 2025

α -arbutin has a good therapeutic effect on scars caused by ultraviolet burns, and it has good anti-inflammatory, repair and whitening effects. It can inhibit the production and deposition of melanin,…

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Hangzhou ROYALL Import &...

China [CN]

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Ascorbyl glucoside

Nov 21 2025

Ascorbic acid glucoside is one of the whitening additives approved by the Department of Health and is recognized as the most stable derivative of vitamin C. It is also the most commonly used whitening…

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Hangzhou ROYALL Import &...

China [CN]

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(S)-(+)-3-Hydroxytetrahydrofuran

Nov 21 2025

The synthesis of the anti-AIDS drug amperavir requires two important intermediates, one of which is (S)-(+) -3-hydroxytetrahydrofuran. It can be synthesized by methods such as asymmetric borohydride o…

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Hangzhou ROYALL Import &...

China [CN]

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D-2-Aminobutyric acid

Nov 21 2025

D-2-aminobutyric acid is a key intermediate for chiral drugs, chiral pesticides and chiral food additives, and is widely used in the fields of medicine, pesticides and food. D-chemicalbook2-aminobutyr…

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D-Alanine

Nov 21 2025

alanine (Ala), whose chemical name is 2-aminopropionic acid, is an aliphatic non-polar α -amino acid. Alanine is a non-essential amino acid and a glycogenic amino acid in the human body. It is mainly …

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Hangzhou ROYALL Import &...

China [CN]

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D-Norleucine

Nov 21 2025

D-Norleucine is a synthetic amino acid and is often used as an internal standard. It is used for studying the structure and function of proteins.

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Hangzhou ROYALL Import &...

China [CN]

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D-Phenylalanine methyl ester hydrochloride

Nov 21 2025

D-phenylalanine methyl ester hydrochloride is an organically synthesized compound, and amidine is prepared by copper-catalyzed three-component coupling of azisulfonyl with acetylene and amine.

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Hangzhou ROYALL Import &...

China [CN]

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D-Phenylalanine

Nov 21 2025

This product is a drug intermediate, mainly used for the treatment and prevention of osteoporosis, cardiovascular diseases, diabetes, arteriosclerosis and other conditions.

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China [CN]

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D-tert-Butylglycine

Nov 21 2025

D-tert-leucine is a very important non-natural amino acid and serves as an intermediate for many drugs. Because its side chain is a tert-butyl group, it has a large steric hindrance. After coupling wi…

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China [CN]

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D-Threonine

Nov 21 2025

For biochemical research.

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China [CN]

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D-Tryptophan methyl ester hydrochloride

Nov 21 2025

D-tryptophan methyl ester hydrochloride is an important raw material for the synthesis of tadanafil and is used to treat erectile dysfunction in men (MED). Tryptophan methyl ester hydrochloride is a t…

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Hangzhou ROYALL Import &...

China [CN]

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D-Tryptophan

Nov 21 2025

D-tryptophan, as a non-protein-active amino acid, possesses unique physiological properties. In the food and feed industry as well as agriculture, it can be used as a non-nutritive sweetener, feed add…

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Hangzhou ROYALL Import &...

China [CN]

Scince 2012

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