Dayangchem’s R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. DayangChem can provide different quantiti
Zorui combines R&D, production and sales into its operations, While continuously providing high-quality raw materials, we also provide and optimize technical solutions for customers to achieve mutual benefit. We adhere to the "quality, integ
Cas:59-51-8
Min.Order:1 Kilogram
Negotiable
Type:Other
inquiryHanways focus on: -Pharmaceutical raw materials -Chemical raw materials -Food additives -Flavors and fragrances -Feed additives -Plant extracts -Veterinary raw materials We could supply you: -Best quality -Competitive price
Cas:59-51-8
Min.Order:1 Kilogram
FOB Price: $10.0
Type:Trading Company
inquiryAppearance:White crystalline powder Storage:Store in a cool dry place, avoiding sunlight directly Package:Food grade multiplayer polyethylene bags, 25kg in one type cardboard drum Application:Nutritional health products and food additives Tr
Items Standard Result Appearance White or light gray powder or flake crystals White crystalline powder Ass
Cas:59-51-8
Min.Order:1 Kilogram
FOB Price: $4.0 / 8.0
Type:Manufacturers
inquiryWelcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our
Cas:59-51-8
Min.Order:1 Kilogram
Negotiable
Type:Manufacturers
inquiryProduct Name: Best Price Supply feed Grade 99 DL Methionine CAS:59-51-8 DL-Methionine is an amino acid manufactured at purity levels exceeding 99 %, plays a central role in ensuring balanced nutrition and optimum growth of
Product description: Product name DL-Methionine CAS number 59-51-8 Assay ≥99% Appearance White crystalline powder Capacity 100mt/year Application Widely used in feed, medicin
CAS 59-51-8 DL-Methionine Company profile Wuhan Fortuna Chemical Co.,Ltd established in 2006, is a big integrative chemical enterprise being engaged in Pharmaceutical & its intermediates, Food/Feed additives, Fine chemicals in distributing t
Cas:59-51-8
Min.Order:10 Kilogram
FOB Price: $10.0
Type:Trading Company
inquiry1,Product information Specifications dl-methionine feed grade 1.Standard:USP/BP/EP 2.Registration: offer the Documents (GMP, DMF ,COA and so on) dl-methionine feed grade Supply free sample MOQ1KG DL-Methionine china supplier
high quality Appearance:White or off white powder Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea Port:shanghai
We can provide GMP validation service that complies with SFDA, FDA, WHO and EU EMPA.Excellent registration team could help us easlily to register our products in different countries.If you and your customer are interested in some products or need C
Cas:59-51-8
Min.Order:1 Gram
Negotiable
Type:Manufacturers
inquiryThe above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providi
Sales: 1.24hours to reply your E-mail 2.Market information trend share with customers Suggestion for purchase decision Reputation: 1.Implementing contract terms strictly 2.Timely solve any discrepancy or goods claims Take our responsibility for loss
1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s
Cas:59-51-8
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
inquirySichuan Tongsheng is the most strongest manufacturer and exporter of amino acids and their derivatives in China, we guarantee high quality, competive price and reliable service. We fully compliance with ISO9001:2008, production and quality managemen
DL-Methionine Product Name: DL-Methionine CAS NO.: 59-51-8 Chemical Structure: Molecular Formula: C5H11NO2S Molecular Weight: 149.21
Colorcom is a global leader in industrial chemical manufacturing and is continuously innovating and transforming to exceed client expectations and industry standards. Colorcom prides itself on superior customer and technical focus, while focusing on
Cas:59-51-8
Min.Order:1 Metric Ton
Negotiable
Type:Manufacturers
inquiryhebei yanxi chemical co., LTD who registered capital of 10 million yuan, nearly to $2 million, we have a pharmaceutical raw materials factory production of pharmaceutical raw materials, and a reagent r&d center, and we do research and developm
Cas:59-51-8
Min.Order:1 Metric Ton
FOB Price: $1.0 / 3.0
Type:Trading Company
inquiryOur main production base is located in Xuzhou industry park. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block
Name:DL-Methionine CAS NO: 59-51-8 Grade:Medical scientific research and export Molecular formula:C5H11O2NS Molecular weight:149.21 Product Quality 12 years of chemical raw materials Mature operation of the industry System stability Data
Cas:59-51-8
Min.Order:25 Kilogram
FOB Price: $1.0 / 2.0
Type:Other
inquiryPRODUCT DETAILS
Cas:59-51-8
Min.Order:1 Kilogram
FOB Price: $1.0 / 2.0
Type:Lab/Research institutions
inquiryDL-Methionine Basic information Product Name: DL-Methionine Synonyms: (R,S)-2-Amino-4-methylsulfanyl-butyricacid;(RS)-2-Amino-3-methylthiobutansαure;4-Methylmercapto-2-aminobutyric
Cas:59-51-8
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryWith our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufacturin
Cas:59-51-8
Min.Order:1 Kilogram
FOB Price: $35.0 / 50.0
Type:Trading Company
inquiryWITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et
Cas:59-51-8
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiryOur Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We
Cas:59-51-8
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
inquiryDL-Methionine CAS No.:59-51-8 Molecular formula:C5H11NO2 S Molecular weight:149.21 Property:White flaky crystal or powder, has a special smell, specific gravity 1.34, melting point 281 ℃ (decomposition), 1g methionine dissolved in about 30
We are leading fine chemicals supplier in China with ISO certificate, Our main business covers the fields below: 1.Noble Metal Catalysts (Pt.Pd...) 2.Organic Phosphine Ligands (Tert-butyl-phosphine.Cyclohexyl-phosphine...) 3.OLED
Cas:59-51-8
Min.Order:1 Gram
FOB Price: $2.0
Type:Lab/Research institutions
inquiryOur Adwantage: 1.We have stock so we can delivery quickly at the very day when receive the payment. 2.Best price, first class service, high successful delivery rate. A discount would be given when you make a large order. 3.High qu
Cas:59-51-8
Min.Order:10 Gram
Negotiable
Type:Other
inquiry2-hydroxy-4-(methylthio)butyronitrile
DL-methionine
Conditions | Yield |
---|---|
Stage #1: 2-hydroxy-4-(methylthio)butyronitrile With ammonia In water at 50℃; for 0.5h; Sealed tube; Stage #2: With cerium(IV) oxide In water at 75℃; for 2h; Reagent/catalyst; Temperature; Sealed tube; | 100% |
Multi-step reaction with 2 steps 1: NH3 / unter Druck 2: aqueous H2SO4 View Scheme | |
Multi-step reaction with 2 steps 1: ethanol; NH3 / 80 °C 2: aqueous H2SO4 View Scheme |
DL-methionine
Conditions | Yield |
---|---|
100% |
DL-methionine amide
DL-methionine
Conditions | Yield |
---|---|
With zirconium containing nickel oxide In water at 130℃; for 1h; Reagent/catalyst; Temperature; | 100% |
With water; potassium hydroxide at 120℃; for 0.5h; Catalytic behavior; Reagent/catalyst; Temperature; Autoclave; | 100 %Chromat. |
5-[2-(methylthio)ethyl]imidazolidine-2,4-dione
DL-methionine
Conditions | Yield |
---|---|
Stage #1: 5-[2-(methylthio)ethyl]imidazolidine-2,4-dione With water; potassium carbonate at 120 - 160℃; Sonication; Stage #2: at 80 - 120℃; Reagent/catalyst; Sonication; | 99.9% |
Stage #1: 5-[2-(methylthio)ethyl]imidazolidine-2,4-dione With water; potassium hydroxide at 173 - 178℃; for 1h; Stage #2: With carbon dioxide; water at 20℃; Crystallization; Presence of polyvinyl alcohol; | 97% |
With water; potassium hydroxide at 120 - 173℃; pH=10.5; | 53.6% |
Conditions | Yield |
---|---|
With cerium(IV) oxide; water at 75℃; for 2h; Concentration; Reagent/catalyst; | 97% |
With ammonium hydroxide In water at 200℃; under 7500.75 Torr; for 20h; Pressure; Temperature; Inert atmosphere; Autoclave; | 88.1% |
Stage #1: α-amino-γ-methylmercapto-butyronitrile With ammonia; tetra(n-butyl)ammonium hydrogensulfate; calcium oxide In water at 180 - 190℃; under 18751.9 - 22502.3 Torr; for 5h; Stage #2: With carbon dioxide In water at 20℃; pH=8; Reagent/catalyst; | 79.4% |
DL-methionine
Conditions | Yield |
---|---|
With carbon dioxide In water at 80 - 100℃; under 1500.15 Torr; for 0.5h; pH=6; Autoclave; | 97% |
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