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High Quality Pharmaceutical Grade L-Tyrosine

Name: High Quality Pharmaceutical Grade L-Tyrosine
Brand: XAZB
SKU: pr2205203522
Price: 21 USD
Availability: InStock

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CAS No.:

60-18-4

Content:

99%

Brand:

XAZB

Packaging:

Foil Bag, Box, Drum

Sample Available:

Yes

Price valid (until):

2022-12-31

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Xian ZB Biotech Co.,Ltd

Company Type:

Manufactory

Location:

China

Payment Terms:

TT against copy of documents

Average Lead Time:

8 days

Qualification:

Main Products:

Herb Extracts,Cosmetic raw materails,API

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Product Details
Seller Information
Inquiry History

Description

High Quality Pharmaceutical Grade L-Tyrosine

Product Name	L-Tyrosine	Other Name	L-Tyrosine Powder
CAS No.	60-18-4	Appearance	White powder
MF	C9H11NO3	MW	181.19
Specification	99%	Testing Method	HPLC

L-cysteine, a common amino acid in a living organism.As one of the alpha sulfur amino acids, encounter nitroprusside (nitroprusside) purple color (SH), found in many proteins, glutathione, and Ag +, Hg + and Cu + of metal ion can form insoluble mercaptide (mercaptide).Colorless crystals.Soluble in water, ethanol, acetic acid and ammonia, insoluble in ether, acetone, ethyl acetate, benzene, disulfide carbon and carbon tetrachloride.It can be oxidized to cystine in neutral and weakly alkaline solutions.

Tyrosine is a non-essential amino acid, it has to regulate emotions, stimulate the role of the nervous system. In addition to help speed up the body metabolism, treatment of chronic fatigue and other diseases. The body needs enough tyrosine to produce many important brain chemicals to help regulate appetite, pain sensitivity, and the body's response to stress.

Product:	l-cysteine	EINECS No:	200-460-4
CAS NO:	55520-40-6	Molecular Formula:	C9H11NO3

Item	Specification
Assay	98.5%~101.5%
Appearance	White Powder
Odor	Characteristic
Taste	Characteristic
Particle Size	NLT 100% Through 80 mesh
Loss on Drying	<2.0%
Heavy metals
Total Heavy Metals	≤10ppm
Arsenic	≤3ppm
Lead	≤3ppm
Microbiological
Total Plate Count	≤1000cfu/g
Total Yeast & Mold	≤100cfu/g
E.Coli	Negative
Salmonella	Negative

Conclusion	Conform with specification
Storage	Store in sealed containers at cool & dry place.
	Protect from light, moisture and pest infestation.
Shelf Life	2 years when properly stored

ECHEMI Editorial Reference

L-Tyrosine is a non-essential amino acid which can inhibit citrate synthase activity in the posterior cortex.
Tyrosine (Tyr or Y) or 4-hydroxyphenylalanine is one of the 22 amino acids that are used by cells to synthesize proteins. It is a non-essential amino acid with a polar side group. Its codons are UAC and UAU. The word "tyrosine" is from the Greek tyros, meaning cheese, as it was first discovered in 1846 by German chemist Justus von Liebig in the protein casein from cheese. It is called tyrosyl when referred to as a functional group or side chain. Tyrosine is a hydrophobic amino acid.
Solid|Colourless silky needles or white crystalline powder; odourless
L-tyrosine is an optically active form of tyrosine having L-configuration. It has a role as an EC 1.3.1.43 (arogenate dehydrogenase) inhibitor, a nutraceutical, a micronutrient and a fundamental metabolite. It is an erythrose 4-phosphate/phosphoenolpyruvate family amino acid, a proteinogenic amino acid, a tyrosine and a L-alpha-amino acid. It derives from a L-tyrosinal. It is a conjugate base of a L-tyrosinium. It is a conjugate acid of a L-tyrosinate(1-). It is an enantiomer of a D-tyrosine. It is a tautomer of a L-tyrosine zwitterion.|Tyrosine is a non-essential amino acid. In animals it is synthesized from [phenylalanine]. It is also the precursor of [epinephrine], thyroid hormones, and melanin.|L-Tyrosine is the levorotatory isomer of the aromatic amino acid tyrosine. L-tyrosine is a naturally occurring tyrosine and is synthesized in vivo from L-phenylalanine. It is considered a non-essential amino acid; however, in patients with phenylketonuria who lack phenylalanine hydroxylase and cannot convert phenylalanine into tyrosine, it is considered an essential nutrient. In vivo, tyrosine plays a role in protein synthesis and serves as a precursor for the synthesis of catecholamines, thyroxine, and melanin.|A non-essential amino acid. In animals it is synthesized from PHENYLALANINE. It is also the precursor of EPINEPHRINE; THYROID HORMONES; and melanin.

Certificates

Basic Info

Product Name:

L-Tyrosine

Other Name:

L-Tyrosine;Tyrosine,L-;(-)-α-Amino-p-hydroxyhydrocinnamic acid;L(-)-β-(p-Hydroxyphenyl)alanine;L-(-)-Tyrosine;p-Tyrosine;Benzenepropanoic acid,α-amino-4-hydroxy-,(S)-;L-Phenylalanine,4-hydroxy-;Tyrosine;L-p-Tyrosine;Tyr;4-(2-Amino-2-carboxyethyl)phenol;Propanoic acid,2-amino-3-(4-hydroxyphenyl)-,(S)-;β-(p-Hydroxyphenyl)alanine;(S)-α-Amino-4-hydroxybenzenepropanoic acid;L-Tyr;(S)-Tyrosine;NSC 82624;NSC 9973;(S)-2-Amino-3-(4-hydroxyphenyl)propanoic acid;(2S)-2-Amino-3-(4-hydroxyphenyl)propanoic acid;Therigon;H-L-Tyr-OH;L-4-Hydroxyphenylalanine;p-Hydroxyphenylalanine;140-43-2;1991-85-1;46209-14-7;55520-40-6;1207451-88-4;2416148-26-8

CAS No.:

60-18-4

Molecular Formula:

C9H11NO3

InChIKeys:

InChIKey=OUYCCCASQSFEME-QMMMGPOBSA-N

Molecular Weight:

181.19

Exact Mass:

181.19

BRN:

392441

EC Number:

200-460-4

UNII:

42HK56048U

DSSTox ID:

DTXSID1023730

NCI Thesaurus Code:

C915

Color/Form:

FINE SILKY NEEDLES|White crystals

HScode:

29225000

Categories:

Amino Acids and Proteins

Characteristics

PSA:

83.6

XLogP3:

-2.26

Appearance:

White to Pale-brown powder

Density:

1.46 g/cm³

Melting Point:

344 °C

Boiling Point:

385.2±32.0 °C at 760 mmHg

Flash Point:

176 °C

Refractive Index:

1.614

Water Solubility:

H2O: 0.45 g/L (25 ºC);1 M HCl: 25 mg/mL

Storage Conditions:

Store at RT.

Toxicity:

LD50 orally in Rabbit: > 5110 mg/kg

Specific rotation:

-11.65 º (c=5,DIL HCL/H2O 50/50)

PH:

5.66 (at isoelectric point)

PKA:

2.2(at 25 °C)

Dissociation Constants:

2.2 (at 25 °C)|pK values= 2.20, 9.11 and 10.07 for the acid, base and phenol groups, respectively

Collision Cross Section:

145.7 Å² [M+H]+ [CCS Type: DT, Method: single field calibrated with Agilent tune mix (Agilent)]|143.97 Å² [M+Na]+ [CCS Type: DT, Method: stepped-field]|148.26 Å² [M-H]- [CCS Type: DT, Method: stepped-field]|139 Å² [M+H]+ [CCS Type: TW, Method: calibrated with polyalanine]|145.8 Å² [M+H]+ [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|143.6 Å² [M+Na]+ [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|143.8 Å² [M-H]- [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|145.59 Å² [M-H]- [CCS Type: DT, Method: stepped-field]|146.45 Å² [M+H]+ [CCS Type: DT, Method: stepped-field]|144.5 Å² [M-H]-

Experimental Properties:

OPTICALLY ACTIVE|DECOMP @ 342-344 °C (CLOSED CAPILLARY, BATH PREHEATED TO 280 °C, RAPID HEATING|UV: 6-233 (Organic Electronic Spectral Data, Phillips et al, John Wiley & Sons, New York) /Tyrosine (dl)/

See More L-Tyrosine Properties 

Hazard Identification

Classification of the substance or mixture

Not classified.

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)	No symbol.
Signal word	No signal word
Hazard statement(s)	none
Prevention	none
Response	none
Storage	none
Disposal	none

Other hazards which do not result in classification

no data available

Handling and Storage

Precautions for safe handling

Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

Conditions for safe storage, including any incompatibilities

Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.

See More L-Tyrosine Safety Data Sheet 

Seller Information

Business Type:
Manufactory

Main Products:
Herb Extracts,Cosmetic raw materails,API

Location:
1403,Jinye B Block

Payment Terms:
TT against copy of documents

Average lead Time:
8 days

Total Annual Revenue:
$2.5 million-$5 million

Total Employees:
11-50

Year of Establishment:
2015

Xian ZB Biotech Co.,Ltd is a leading Manufactory supplier of Arbutin, Nicotinamide, Flucytosine based in Xi'an, Shaanxi, China. With a commitment to quality and customer satisfaction, Xian ZB Biotech Co.,Ltd has become a trusted name in the industry. Our product line includes a range of high-quality Arbutin, Nicotinamide, Flucytosine, which are available at competitive prices. Xian ZB Biotech Co.,Ltd has established itself as a reliable supplier of chemical products on the echemi.com.

Inquiry History

47 Inquiries

Country	Product	Purchase Quantity	Date Posted
Pakistan	L-Tyrosine	25.00 KG	Mar 17, 2025
India	L-Tyrosine	20.00 KG	May 28, 2025
Australia	L-Tyrosine	1 KG	Aug 25, 2025
India	L-Tyrosine	25.00 KG	Feb 13, 2025
India	L-Tyrosine	100.00 KG	Dec 18, 2023
United States	L-Tyrosine	2000 G	Jun 6, 2026
Greece	TYROSINE (Tyr, Y)	50.00 KG	Sep 24, 2025
India	L-Tyrosine	500 KG	Aug 26, 2025
India	L-TYROSINE	50.00 KG	Mar 25, 2025
United States	L-tyrosine	10 KG	Mar 5, 2025
Pakistan	L-Tyrosine	25.00 KG	Feb 8, 2025
Switzerland	L-Tyrosine	7000 MT	Nov 15, 2024
India	L-Tyrosine	25.00 KG	Sep 6, 2024
India	L-Tyrosine	25.00 KG	Jul 17, 2024
India	L-Tyrosin	100.00 KG	Apr 19, 2024
India	L-Tyrosine	25.00 KG	Feb 27, 2024
Pakistan	L tyrosine	25.00 KG	Apr 13, 2026
India	L-Tyrosine	100 KG	Sep 19, 2025
India	L-Tyrosine	1 MT	Apr 23, 2025
Brazil	L-Tyrosine	3600 KG	Nov 13, 2024

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High Quality Pharmaceutical Grade L-Tyrosine

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