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Top qualityL- Methionin

Name: Top qualityL- Methionin
Brand: JaYoo
SKU: pr2607021105
Price: 100 USD
Availability: InStock

TDS 34 Inquiries

Unit Price:

$100-130/KG FOB

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CAS No.:

63-68-3

Grade:

Food Grade

Content:

99%

Port:

Shenzhen

Brand:

JaYoo

Packaging:

25kgs /drum

Price valid (until):

2027-12-01

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shenzhen Jayoo Biotech Co., Ltd,

Company Type:

Trader

Location:

China

Qualification:

Main Products:

Fisetin,Coenzyme PQQ,S-Acetyl L-Glutathione,D-Glucosamine Hydrochloride Powder Glucosamine Sulfate Potassium Chloride Powder,MSM Powder,Sodium Hyaluronate Powder

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Product Description
Seller Information
Inquiry History

Description

Product Detail

L-histidine is an amino acid containing an imidazole ring, which is a semi essential amino acid for the human body，It participates in key physiological processes such as protein synthesis, hemoglobin and histamine production, immune regulation, and acid-base balance maintenance. It has good water solubility and high bioavailability.

Product name: L-Histidine

CAS #.: 71-00-1

Formula:C6H9N3O2

Formula Weight：155.15

purity: 80%，90%，98%

Appearance:crystalline powder

Mechanism of action

L-histidine is a key amino acid required by the body, which can promote growth and development, repair damaged tissues, enhance immunity, and improve health status and physiological functions internally. It is an important nutritional guarantee for maintaining normal metabolism and vitalityPls input...

Product Specification sheet

Test Items	Specification
Appearance	White crystals or crystalline powder, odourless
Assay (on the dried basis)	97%
Specifie rotation[a]D20	+12.0°~+12.89
p H	7.0~8.5
Transmittance	≥98.0%
Loss on drying	<0.20%
Residue on ignition (sulfated)	≤0.10%
Chloride (Cl)	≤0.02%
Sulfate (S0.)	≤0.02%
Ammonium (NH4)	<0.02%
Iron (Fe)	≤1 0ppm
Pb	≤1 0ppm
AS	≤1ppm
Other amino acids	≤ 0.5%
Total aerobie mierobial count	<1000 cfu/g
Mold and yeast count	<100 cfu/g
Storage: Sealed package,store in dry and at room temperature.

Product flow chart

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Certificates

Basic Info

Product Name:

l-Methionine

Other Name:

L-Methionine;Methionine,L-;Cymethion;Methionine;Butanoic acid,2-amino-4-(methylthio)-,(S)-;2-Amino-4-(methylthio)butyric acid;S-Methionine;α-Amino-γ-methylmercaptobutyric acid;γ-Methylthio-α-aminobutyric acid;(S)-2-Amino-4-(methylthio)butanoic acid;l-Methionine;L-α-Amino-γ-methylthiobutyric acid;L-Homocysteine,S-methyl-;h-Met-oh;Acimethin;NSC 22946;S-Methyl-L-homocysteine;Secretory peptide (human clone HTXDU73);Methiorep;Meth-o-Tas;(2S)-2-Azaniumyl-4-methylsulfanylbutanoate;(2S)-2-Amino-4-(methylsulfanyl)butanoic acid;7005-18-7;24425-78-3;1437749-32-0;1437749-60-4;1437749-65-9;1437749-75-1;1437749-80-8;1437769-00-0;1437870-94-4;1437870-95-5;1437870-97-7;1437870-98-8;1437871-20-9;1463481-01-7;1463481-06-2;1463481-15-3;1463481-19-7;1463481-23-3;1463481-27-7;1463481-31-3;1463481-37-9;1463481-41-5;1463481-46-0;1463481-51-7;1463481-58-4;1463481-73-3;1463481-80-2;1463481-89-1;1463610-75-4;1463610-76-5;1466415-57-5

CAS No.:

63-68-3

Molecular Formula:

C5H11NO2S

InChIKeys:

InChIKey=FFEARJCKVFRZRR-BYPYZUCNSA-N

Molecular Weight:

149.21100

Exact Mass:

149.21

EC Number:

200-562-9

UNII:

AE28F7PNPL

NSC Number:

760117

DSSTox ID:

DTXSID5040548

NCI Thesaurus Code:

C29600

Color/Form:

Minute hexagonal plates from dilute alcohol|Colorless or white, lustrous plates or as white, crystalline powder

ATC Code:

V - Various

HScode:

2930400000

Categories:

Amino Acids and Proteins

Characteristics

PSA:

88.62000

XLogP3:

-1.9

Appearance:

Minute hexagonal plates from dilute alcohol. (NTP, 1992)

Density:

1.206 g/cm3

Melting Point:

280-282 °C (decomp)

Boiling Point:

123-126 °C @ Press: 15 Torr

Flash Point:

139.4ºC

Refractive Index:

1.531

Water Solubility:

H2O: soluble

Storage Conditions:

Store at RT.

Vapor Pressure:

8.14X10-8 mm Hg at 25 deg C (est)

Toxicity:

LD50 oral in rat: 36gm/kg

Specific rotation:

Specific optical rotation: 22.5 deg at 25 °C/D (1 N HCl)

Odor:

Faint

Taste:

Sulfurous

PH:

pH (1% aqueous solution) = 5.6-6.1

PKA:

2.28(at 25 °C)

Henrys Law Constant:

Henry's Law constant = 2.11X10-11 atm-cu m/mol at 25 °C (est)

Dissociation Constants:

2.28 (at 25 °C)|pKa = 2.28; pK2 = 9.21

Collision Cross Section:

133.65 Å² [M+H]+ [CCS Type: DT, Method: stepped-field]|152.05 Å² [M-H]- [CCS Type: DT, Method: stepped-field]|127 Å² [M+H]+ [CCS Type: TW, Method: calibrated with polyalanine]|133.1 Å² [M+H]+ [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|132 Å² [M-H]- [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|134.08 Å² [M+H]+ [CCS Type: DT, Method: stepped-field]|140.5 Å² [M-H]-

Experimental Properties:

Platelets from alcohol. mp 281 °C (decomposes), density 1.340; pKa1 = 2.28, pKa2 = 9.21; pH of 1% aqueous solution 5.6-6.1; Rf value 0.77. Solubility in water (g/L) at 0 °C: 18.18; at 25 °C: 33.81; at 50 °C: 60/.70; at 75 °C: 15.2 °C. Soluble in dilute acids, alkalies. Very slightly soluble in 95% alcohol. Insoluble in ether. /Methionine, DL-form/|UV: 1-65 (Organic Electronic Spectral Data, Phillips et al, John Wiley & Sons, New York) /Methionine (DL)/|Hydroxyl radical reaction rate constant = 5.13X10-11 cu cm/molec-sec at 25 °C (est)

Air and Water Reactions:

Reacts with water, steam, and/or acids to produce toxic and flammable vapors of hydrogen sulfide (NTP, 1992). Water soluble (NTP, 1992). pH of 1% aqueous solution is 5.6-6.0.

Reactive Group:

Sulfides, Organic

Reactivity Profile:

An organosulfide and amine derivative, carboxylic acid. Look at Reactive Groups 20 (organosulfides), 7 (amines), and 3 (carboxylic acids) may give indications about reactive tendencies. It is an amino acid essential in human nutrition.

See More l-Methionine 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

Separated from strong oxidants. Well closed.

See More l-Methionine Safety Data Sheet 

Seller Information

Business Type:
Trader

Main Products:
Fisetin,Coenzyme PQQ,S-Acetyl L-Glutathione,D-Glucosamine Hydrochloride Powder Glucosamine Sulfate Potassium Chloride Powder,MSM Powder,Sodium Hyaluronate Powder

Location:
7C92B, Building 213, Tairan Science and Technology Park, No. 113 Tairan 4th Road, Tian'an Community, Shatou Subdistrict, Futian District, Shenzhen City

Payment Terms:
TT against copy of documents,100% TT in advance

Average lead Time:
10

Total Annual Revenue:
$1 million-$2.5 million

Total Employees:
5-10

Year of Establishment:
2025

Shenzhen Jayoo Biotech Co., Ltd. is an emerging high-tech enterprise dedicated to the field of biological health. We are committed to delivering natural, safe, and highly effective health products and solutions to global markets.
Our core strength lies in a professional team with over a decade of deep industry experience in the bio-health sector. Composed of seasoned R&D specialists and market-driven professionals, our team combines strong technical expertise with innovative thinking and commercial insight. In parallel, we have established preliminary collaborations with leading domestic universities and research institutions, leveraging their advanced scientific resources to accelerate product development and technology commercialization—injecting strong momentum into our long-term growth.
Jayoo Biotech focuses on innovation in natural active ingredient extraction and biosynthesis technologies. Guided by our R&D philosophy of “Natural, Safe, and Effective,” we integrate modern biotechnology with advanced plant extraction processes to build differentiated technological advantages. Our product development spans multiple health-related sectors, including natural active ingredients, functional raw materials, and nutritional supplements, with continuous innovation driving enhanced product competitiveness.

Inquiry History

34 Inquiries

Country	Product	Purchase Quantity	Date Posted
India	L-Methionine	100.00 KG	Jun 6, 2025
Malaysia	L-Methionine	20.00 MT	Apr 1, 2026
Malaysia	L-Methionine	20.00 MT	Jun 16, 2026
India	Methionine	1.00 20' Fcl	May 25, 2026
India	L-Methionine	1.00 20' Fcl	Apr 27, 2026
India	L-Methionine	200.00 KG	Nov 10, 2025
India	L-Methionine	5.00 MT	Jul 16, 2025
India	L-Methionine	10.00 TON	Jul 9, 2025
India	L-Methionine	7.00 KG	Jul 9, 2025
Bangladesh	L-methionine	1 MT	Feb 5, 2025
Singapore	L-Methionine	1 MT	Feb 7, 2024
Guatemala	dl-methionine dl methionine 99% feed grade for poultry feedPopular 1 buyer	25 MT	Oct 31, 2023
India	methionine	100.00 KG	Sep 5, 2023
India	L-Methionine	100 G	May 28, 2026
India	L-Methionine	5000 KG	Apr 5, 2026
India	L-Methionine	1.00 KG	Nov 10, 2025
India	L-Methionine	20.00 TON	May 17, 2025
Thailand	Methionine	1 KG	Mar 17, 2025
Ecuador	METIONINA	1 MT	Feb 25, 2025
Romania	L-METHIONINE	200 KG	Mar 12, 2024

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Top qualityL- Methionin

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