Product Name: N-Acetyl-L-Tyrosine

Alias: Ac-Tyr-Oh; N-AC-L-TYR; AC-TYROSINE; Acetyltyrosine; Acetyl-L-Tyrosine; N-Aceyl-L-Tyrosine; N-Acetyl-L-tryosine; L-Tyrosine, N-Acetyl-; L-TYROSINE, N-ACETYL-; (2S)-2-(Acetylamino)-3-(4-Hydroxyphenyl)Propanoate

CAS No.: 537-55-3

EINECS No.: 208-671-3

Molecular Formula: C11H13NO4

Molecular Weight: 223.23

Brief Introduction:

N-acetyl-L-tyrosine is a natural amino acid derivative formed by the reaction of tyrosine and an acetylating agent. N-Acetyl-L-Tyrosine is a white crystalline powder that is tasteless and odourless. It has good solubility and can be dissolved in water and ethanol. N-acetyl-L-tyrosine is an important fine organic chemical intermediate and is widely used in medicine, pesticides, chemical industry and other fields.

Specifications of our N-acetyl-L-tyrosine:

Appearance	White crystals or crystalline powder
Specific Optical Rotation[α]D20	+46.5° ~ +49.0°
Transmittance	Not less than 96.0%
Chloride (Cl)	Not more than 0.020%
Ammonium	Not more than 0.020%
Sulfate	Not more than 0.020%
Iron (Fe)	Not more than 30 ppm
Heavy Metals	Not more than 10 ppm
Lead (Pb)	Not more than 2 ppm
Cadmium (Cd)	Not more than 1 ppm
Mercury (Hg)	Not more than 0.1 ppm
Arsenic (As2O3)	Not more than 1 ppm
Loss on Drying	Not more than 0.50%
Residue on Ignition	Not more than 0.10%
pH Value	2.0 ~ 3.0
Assay	99.0% ~ 101.0%
L-Tyrosine	Not more than 1.0%
Bulk Density	Only report
Tapped Density	Only report
Particle Size	Only report
Total plate count	Not more than 1000 CFU/g
Yeasts & Moulds	Not more than 100 CFU/g
Coliforms	Negative/25g
Salmonella	Negative/25g
Staphylococcus aureus	Negative/25g
Escherichia coli	Negative

Applications of our N-acetyl-L-tyrosine:

N-acetyl-L-tyrosine has a wide range of applications in medicine and cosmetics:

1) In medicine, it is used as a pharmaceutical ingredient to improve nervous system function and enhance memory and concentration.

2) In cosmetics, N-acetyl-L-tyrosine is used as an antioxidant and moisturizer to reduce skin aging and the occurrence of dark spots.

Packaging:
1kg/Aluminum Foil Bag, 25kg/Fibre Drum or according to the specific requirements from customers.

Storage Conditions:
Preserved in unopened original containers in a cool dry place before using; kept away from direct sunlight, heat and moisture.

Shelf Life:
24 months if stored under above mentioned conditions.