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L-Tyrosine

L-Tyrosine / CAS : 60-18-4

Appearance White to grayish white powder UN -
HS 29225090 DG Class -
Synonyms 2-Amino-3-(4-Hydroxyphenyl)-Propanoic Acid; L-β-Hydroxyphenyl -β-Alanine; (2S,3R) -2-Amino-3-p-Hydroxyphenylpropionic acid; Tyr; (S)-Tyrosine; p-Tyrosine; 3-(4-Hydroxyphenyl)-L-Alanine; Mevacor; Mevlor; Tyrosine; Tyrosine TYR; Tyrosine Y; TYR Amino Acid; Tyrosine Amino Acid; Paschol; Mevinolin; Lovalip;
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  • HPLC: Assay≥99%
...
Packing:
25 KG/Fibre Drum
Available: ISO9001, Process Flow, Audit, HALAL, Stability Data, MOA
Manufacturer:
Hangzhou Viablife Biotech Co.,Ltd. Jiangxi, China
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Overview

Benefits

Purer appearance and color: Viablife's L-Tyrosine is a pure white powder with uniform particle size.

Higher purity: Biosynthetic L-Tyrosine, with higher purity and fewer impurities.

Strong supply capacity: Viablife's L-Tyrosine supply capacity can reach 1000 tons.

The lower price: The price of L-tyrosine is 5%~10% lower than that of our competitors.

Specification

Items of analysis

Specification

Results

Appearance

White crystals or crystalline powder

White crystalline powder

Identification(IR)

Infrared absorption spectrum

Conforms

Specific rotation[a]D25

-9.8°~-11.2°

-10.6°

Chloride(Cl)

≤400ppm

Conforms

Sulfate(SO42-)

≤400ppm

Conforms

Iron

≤30ppm

Conforms

Lead

<3ppm

Conforms

Cadmium

<1ppm

Conforms

Mercury

<0.1ppm

Conforms

Arsenic

≤1.5ppm

Conforms

Heavy metals(Pb)

≤15ppm

Conforms

Residue on ignition

≤0.4%

0.01%

Loss on drying

≤0.3%

0.09%

Assay

98.5%-101.5%

101.03%

Purity(HPLC)

≥98.0%

99.87%

Any individual impurity

≤0.5%

Conforms

Total plate count

≤1000cfu/g

Conforms

Yeast & Mould

≤100cfu/g

Conforms

Escherichia coli.

Negative

Conforms

Coliforms

In 25 g n.d.

Conforms

Staphylococcus aureus

In 25 g n.d.

Conforms

Salmonella

In 25 g n.d.

Conforms

Uses

Important intermediates: intermediates of derivative products of L-tyrosine series, including 3,4-dihydroxy-L-phenylalanine (L-DOPA), melanin, coumaric acid, etc., are not only widely used in medicine, chemical industry and other fields, but also raw materials of various chemical products. L-DOPA is an effective drug for Parkinson's disease; The physicochemical properties of melanin enable it to be used as an ultraviolet absorber, cation exchanger, drug carrier, etc; Coumaric acid is an important component of some novel complexes, coatings and adhesives.

Amino acid drugs and nutritional supplements: L-tyrosine is the raw material of amino acid infusion and amino acid compound preparation as a nutritional supplement. It is used to treat poliomyelitis and tuberculous encephalitis/hyperthyroidism.

Picture

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Properties

Summary

Formula
C9H11NO3
Molecular Mass
181.18900
Exact Mass
181.07400
PSA
83.55000
Logp
1.04690
IUPAC
2-[1-(aminomethyl)cyclohexyl]acetic acid
SMILES
C1=CC(=CC=C1CC(C(=O)O)N)O

Attribute classification

Matter Classification
organic
Category
API & Intermediate > Biochemicals
Food(Feed) Additives > Nutritional Fortifier
Food(Feed) Additives > Feed Amino Acids And Small Peptides

Chemical and Physical Properties

Melting Point
>300 °C
Density
1.34g/cm3
Boiling Point
385.2ºC
Flash Point
176 °C
Appearance
White to grayish white powder

Export information

HS Code
29225090
Export Rebate
13%
Risk Code
R36/37/38-40
Safety Label
Xi

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