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Product FOB Price Min.Order Supply Ability Supplier
Cas No: 537-55-3
No Data 1 Kilogram 5 Metric Ton/Month SICHUAN TONGSHENG AMINOACID CO.LTD Contact Supplier
Cas No: 537-55-3
No Data 1 Kilogram 2000 Metric Ton/Day Chengdu Baishixing Science and Technology Industry Co., Ltd. Contact Supplier
Acetyl L-Tyrosine 537-55-3 Acetyl Tyrosine
Cas No: 537-55-3
USD $ 19.0-19.0 / Kilogram 25 Kilogram 2000 Kilogram/Day ShangHai Soyoung Biotechnology Inc Contact Supplier
N-Acetyl-L-Tyrosine 537-55-3
Cas No: 537-55-3
No Data 25 Kilogram 50 Metric Ton/Month Sinoway Industrial Co., Ltd. Contact Supplier
High quality N-Acetyl-L-Tyrosine supplier in China
Cas No: 537-55-3
No Data 1 Kilogram 30 Metric Ton/Month Simagchem Corporation Contact Supplier
Cas No: 537-55-3
USD $ 8.0-10.0 / Kilogram 1 Kilogram 1 Metric Ton/Day Kono Chem Co.,Ltd Contact Supplier
Factory supply N-Acetyl-L-tyrosine Cas 537-55-3 with high quality and best price
Cas No: 537-55-3
No Data 1 Kilogram Metric Ton/Day Wuhan Fortuna Chemical Co.,Ltd Contact Supplier
Food additive 99% N-Acetyl-L-tyrosine powder supplier Cas:537-55-3
Cas No: 537-55-3
USD $ 10.0-19.0 / Kilogram 25 Kilogram 55 Metric Ton/Month Xi'an Quanao Biotech Co., Ltd. Contact Supplier
N-Acetyl-L-Tyrosine CAS 537-55-3
Cas No: 537-55-3
No Data 1 Kilogram 1000 Metric Ton/Month Hefei TNJ chemical industry co.,ltd Contact Supplier
Cas No: 537-55-3
No Data 1 Kilogram 20 Metric Ton/Month Henan Allgreen Chemical Co.,Ltd Contact Supplier

537-55-3 Usage

Chemical Properties

N-Acetyl-L-Tyrosine is a white crystalline powder that is an acetyl derivative of the amino acid, L-tyrosine. It is freely soluble in water compared to L-tyrosine and is commonly used as a parenteral nutrition supplement. N-Acetyl-L-tyrosine , a stable and more soluble form of tyrosine , has been incorporated in some currently available commercial parenteral amino acid formulations such as TrophAmine and Aminosyn-II.


N-Acetyl-L-tyrosine is involved in catecholamine production. It can be used as a cell culture media component in the commercial biomanufacture of therapeutic recombinant proteins and monoclonal antibodies.


ChEBI: N-acetyl-L-tyrosine is an N-acetyltyrosine in which the chiral centre has L configuration. It has a role as an EC (acetylserotonin O-methyltransferase) inhibitor, a biomarker and a human urinary metabolite. It is a N-acyl-L-tyrosine and a N-acetyltyrosine. It is a conjugate acid of a N-acetyl-L-tyrosinate.


N-Acetyl-L-tyrosine is a tyrosine derivative with a chemical structure similar to that of an amino acid. It is used as a model system in biochemistry and molecular biology to study the transfer reactions of tyrosine, which are important for energy metabolism, protein synthesis, and metal chelation. N-acetyl-L-tyrosine may be used as an indicator to distinguish neurosyphilis patients from syphilis/non-neurosyphilis patients. N-acetyl-L-tyrosine is a precursor of the essential neurotransmitter dopamine.


N-Acetyl-L-Tyrosine (NALT) plays a necessary part in the synthesis of dopamine and other hormones in your body. It can boost levels of the neurotransmitters dopamine, norepinephrine and epinephrine. It helps to support higher levels of focus and cognitive function. It can increase working memory and feelings of well-being.

Side effects

L-tyrosine gets the generally regarded as safe (GRAS) stamp of approval from the FDA. Some side effects of N-Acetyl-L-tyrosine (NALT) include nausea, headache, fatigue, and heartburn. It can be safely taken for extended periods of time.

537-55-3 Well-known Company Product Price

Brand (Code)Product description CAS number Packaging Price Detail
TCI America (A1409)  N-Acetyl-L-tyrosine  >99.0%(T) 537-55-3 25g 490.00CNY Detail
Alfa Aesar (A17307)  N-Acetyl-L-tyrosine, 99%    537-55-3 10g 532.0CNY Detail
Alfa Aesar (A17307)  N-Acetyl-L-tyrosine, 99%    537-55-3 50g 1914.0CNY Detail
Alfa Aesar (A17307)  N-Acetyl-L-tyrosine, 99%    537-55-3 250g 7718.0CNY Detail
Sigma-Aldrich (PHR1173)  N-Acetyl-L-tyrosine  pharmaceutical secondary standard; traceable to USP 537-55-3 PHR1173-1G 732.19CNY Detail
Sigma-Aldrich (A0202000)  N-Acetyltyrosine  European Pharmacopoeia (EP) Reference Standard 537-55-3 A0202000 1,880.19CNY Detail
Sigma (T4446)  N-Acetyl-L-tyrosine  PharmaGrade, Ajinomoto, EP, manufactured under appropriate GMP controls for Pharma or Biopharmaceutical production, suitable for cell culture 537-55-3 T4446-100G 2,713.23CNY Detail
Sigma (T4446)  N-Acetyl-L-tyrosine  PharmaGrade, Ajinomoto, EP, manufactured under appropriate GMP controls for Pharma or Biopharmaceutical production, suitable for cell culture 537-55-3 T4446-1KG 10,524.15CNY Detail
USP (1010106)  N-Acetyl-L-tyrosine  United States Pharmacopeia (USP) Reference Standard 537-55-3 1010106-100MG 4,662.45CNY Detail



According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 12, 2017

Revision Date: Aug 12, 2017


1.1 GHS Product identifier

Product name N-acetyl-L-tyrosine

1.2 Other means of identification

Product number -
Other names Ac-L-Tyr-OH

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

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