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 quantities
Cas:498-24-8
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
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
Cas:498-24-8
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
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:498-24-8
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiry1.In No Less 10 years exporting experience. you can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specializ
Cas:498-24-8
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryMesaconic acid CAS:498-24-8 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality organic intermediate
Cas:498-24-8
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryHello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai
Cas:498-24-8
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryHenan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod
Cas:498-24-8
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryJ&H CHEM 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. J&H CHEM has some Manufacturing base in Jia
Cas:498-24-8
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryOur company was built in 2009 with an ISO certificate.In the past 5 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.O
Cas:498-24-8
Min.Order:1 Kilogram
FOB Price: $30.0
Type:Lab/Research institutions
inquiryZhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice. pls contact with us freely for getting detailed
Cas:498-24-8
Min.Order:1 Kilogram
FOB Price: $2.0
Type:Lab/Research institutions
inquiry1.Applied in food field.it can improve the immune system and prolong life. 2.Appliedin cosmetic field.it can improve the skin care. 3.Applied in pharmaceutical field.it can treat various dieases. 4.Our product quality assurance will make our customer
Cas:498-24-8
Min.Order:1 Metric Ton
FOB Price: $7.0 / 8.0
Type:Trading Company
inquiryAppearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou
high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,or Intermediates,fine chemicals Transportation:air,sea,courier
Acmec is a leading manufacturer and supplier of biochemical reagents and life science products. We have over 40,000 items in stock (real-time inventory) and offer discounted prices to registered members of the online store ( www.acmec.com.cn ) Appea
Cas:498-24-8
Min.Order:1 bottle
Negotiable
Type:Lab/Research institutions
inquiryhigh quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea
Ansciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali
Cas:498-24-8
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquirySupply top quality products with a reasonable price Application:api
Mesaconic acid cas 498-24-8Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
Best quality with low price Storage:ln stock Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Shanghai
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
good quality, competitive price, thoughtful after sale serviceAppearance:white powder Storage:Keep it in dry,shady and cool place Package:1g Application:Pharma;Industry;Agricultural;chemical reaserch Transportation:by express or by sea Port:Any port
high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:any port in China
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Changzhou Extraordinary Pharmatech co., LTD. As a leading chemical manufacturer and supplier in China.DAS authentication is passed.We can provide the popular precursor chemicals, we have our own strong R & D team, have our own laboratories and fa
Price, service, company and transport advantage: 1. Best service, place of origin China, high quality, and reasonable price. 2. It's customers' right to choose the package (EMS, DHL, FEDEX, UPS). 3. It's customers' right
For quick quotation, please send us the inquiry include CAS#, Structure, Chemical Name, quantity, purity, as well as any additional specifications you require, we will try to get back to you within 24 hours. Our Services Besides manufacturing,
United Scientific Company Located in Shanghai of China , is a competitive player in the global specialty and fine chemical market. Fenghua has both the expertise and flexibility to produce a wide range of chemicals. Focusing on developing the innovat
Cas:498-24-8
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry2-Butenedioic acid,2-methyl-, (2E)- Storage:keep in dry and cool condition Package:25kg or according to cutomer's demand Application:Chemical research/pharma intermediate Transportation:By Sea,by Air,By courier like DHL or Fedx. Port:Shanghai/Shenzhe
Cas:498-24-8
Min.Order:0
Negotiable
Type:Trading Company
inquiryConditions | Yield |
---|---|
Stage #1: diethylitaconate With 1,8-diazabicyclo[5.4.0]undec-7-ene In toluene Heating; Stage #2: With hydrogenchloride for 3h; Heating; | 80% |
2-methylenesuccinic acid
A
poly(methacrylic acid)
B
citraconic acid
C
Mesaconic acid
Conditions | Yield |
---|---|
With 5% Pt/Al2O3; sodium hydroxide In water at 250℃; for 1h; Reagent/catalyst; Temperature; Inert atmosphere; | A 68% B n/a C n/a |
With sodium hydroxide In water at 180℃; under 112511 Torr; for 0.241667h; | A 27.26 %Spectr. B 36.48 %Spectr. C 16.23 %Spectr. |
With sodium hydroxide at 280℃; for 0.0583333h; | A 57.08 %Chromat. B 5.91 %Chromat. C 5.72 %Chromat. |
With sodium hydroxide at 250℃; for 0.25h; Reagent/catalyst; |
citric acid
A
poly(methacrylic acid)
B
citraconic acid
C
Mesaconic acid
D
2-methylenesuccinic acid
Conditions | Yield |
---|---|
With 4-methoxy-phenol; triphenylphosphine In water at 225℃; under 20686.5 Torr; for 1.5h; Temperature; Glovebox; Inert atmosphere; | A 24.1% B n/a C n/a D n/a |
With sodium hydroxide at 250℃; for 0.25h; Reagent/catalyst; |
3-bromo-4-methyl-2,5-furandione
A
Mesaconic acid
B
2-methylbutanedioic acid
Conditions | Yield |
---|---|
With water; zinc |
Conditions | Yield |
---|---|
Rate constant; |
2-methyl-fumaramide
Mesaconic acid
Conditions | Yield |
---|---|
With hydrogenchloride |
Conditions | Yield |
---|---|
beim Kochem die entstehende Itaconsaeure; |
Conditions | Yield |
---|---|
at 180 - 200℃; | |
Quantum yield; Irradiation; | |
With diethyl ether; chloroform; bromine an der Sonne; |
Conditions | Yield |
---|---|
With sodium hydroxide |
Conditions | Yield |
---|---|
bei der Elektrolyse von citraconsaeurem Kalium.Electrolysis; |
2-methylbutanedioic acid
Mesaconic acid
Conditions | Yield |
---|---|
nach Verfuetterung im Hundeorganismus; |
Conditions | Yield |
---|---|
With potassium hydroxide |
(RS,SR)-2,3-dibromo-2-methyl-succinic acid
Mesaconic acid
Conditions | Yield |
---|---|
With potassium iodide und (Kupfer); |
Conditions | Yield |
---|---|
With water at 180 - 200℃; | |
With sodium hydroxide | |
Multi-step reaction with 2 steps 1: sodium hydroxide / 0.06 h / 280 °C 2: sodium hydroxide / 0.02 h / 270 °C View Scheme |
bromomethyl-succinic acid
Mesaconic acid
Conditions | Yield |
---|---|
With potassium hydroxide |
Conditions | Yield |
---|---|
With water; nitric acid beim Eindampfen bis zum Beginn der Entwicklung roter Daempfe; | |
With nitric acid durch Eindampfen bis zum Beginn der Entwicklung roter Daempfe; | |
Multi-step reaction with 2 steps 1: H2SO4 2: alcoholic KOH-solution View Scheme | |
Multi-step reaction with 2 steps 1: bromine / 150 °C / beim Erhitzen im geschlossenen Rohr 2: zinc; water View Scheme |
Conditions | Yield |
---|---|
With water; platinum Electrolysis.bei der Elektrolytischen Oxydation an Platin-Anoden; | |
With water; lead dioxide Electrolysis.bei der Elektrolytischen Oxydation an Blei(IV)-oxyd-Anoden; |
Conditions | Yield |
---|---|
With sulfuric acid at 10 - 12℃; bei der elektrolytischen Oxydation an einer PbO2-Anode; |
Conditions | Yield |
---|---|
at 70 - 75℃; |
α-methyl-DL-aspartic acid
1-methyl-4-nitrosobenzene
dimethyl sulfate
Mesaconic acid
Conditions | Yield |
---|---|
(+-)-2-amino-2-methyl-succinic acid; |
Conditions | Yield |
---|---|
Kochen des Destillationsprodukts (welches Citraconsaeure und Itaconsaeure bezw. deren Anhydride enthaelt) mit 10prozentiger Natronlauge; |
Conditions | Yield |
---|---|
With hydrogenchloride |
Conditions | Yield |
---|---|
With L-threo-3-methylaspartate ammonia-lyase In various solvent(s) Mechanism; enzymic ammonia elimination, different pH, labeled comp.; | |
In water at 20℃; Michaelis and catalytic center activity constants for deamination reaction by 3-methylaspartase from Morganella morganii strain YG-0601; pH 9.7; effect of various organic or inorganic compounds; | |
In water at 20℃; Michaelis and catalytic center activity constants for deamination reaction by 3-methylaspartase from Citrobacter sp. strain YG-0504; pH 9.7; effects of various organic or inorganic compounds; | |
With 3-methylaspartase; magnesium chloride In water Mechanism; Kinetics; various pL; also in D2O; primary deuterium and solvent isotope effects; | |
With 3-methylaspartase; potassium chloride; 2-amino-2-hydroxymethyl-1,3-propanediol; magnesium chloride In water at 30℃; Mechanism; Kinetics; various pL; also in D2O; isotope effects; |
Conditions | Yield |
---|---|
With L-threo-3-methylapartase; magnesium(II); potassium ion In water at 30℃; for 24h; Rate constant; Product distribution; Mechanism; pH 9.0; Km, deuterium isotope effects; | |
With 3-methylaspartase deamination reaction, different enzyme concentrations, kinetic parameters: KM, Vmax; |
2-methoxy-1,4-benzoquinone
A
Mesaconic acid
B
malonic acid
C
succinic acid
D
oxalic acid
Conditions | Yield |
---|---|
With sodium hydroxide; oxygen at 90℃; under 7500.6 Torr; for 3h; Product distribution; |
(2S,3S)-<3-2H>-3-methylaspartic acid
Mesaconic acid
Conditions | Yield |
---|---|
With 3-methylaspartase deamination reaction, different enzyme concentrations, kinetic parameters: KM, Vmax; | |
With 3-methylaspartase; magnesium chloride In water Mechanism; Kinetics; various pL; also in D2O; primary deuterium and solvent isotope effects; | |
With 3-methylaspartase; potassium chloride; 2-amino-2-hydroxymethyl-1,3-propanediol; magnesium chloride In water at 30℃; Mechanism; Kinetics; various pL; also in D2O; isotope effects; |
citric acid
A
diethyl 3-hydroxypentanedioate
B
Mesaconic acid
C
1 propene 1,2,3 tricarboxylic acid
D
2-methylenesuccinic acid
E
citraconic acid anhydride
F
itaconic acid anhydride
Conditions | Yield |
---|---|
With Sn/Pb solder at 150 - 210℃; |
3-bromo-4-methyl-2,5-furandione
water
A
Mesaconic acid
B
2-methylbutanedioic acid
Mesaconic acid
2-methylbutanedioic acid
Conditions | Yield |
---|---|
With formic acid; (bppm)Rh(1,1,1,5,5,5,-hexafluoroacetylacetonate); triethylamine In dimethylsulfoxide-d6 at 30℃; for 8h; | 100% |
With samarium diiodide In tetrahydrofuran for 0.0833333h; Ambient temperature; | 88% |
With phenylsilane; C12H23N2O2P In tetrahydrofuran at 23℃; for 2h; | 86% |
Conditions | Yield |
---|---|
With formic acid; TETRACYCLINE; paraquat dichloride In water at 45℃; for 30h; Clostridium formicoaceticum; | 99% |
Conditions | Yield |
---|---|
With sulfuric acid for 3h; Reflux; | 90% |
With sulfuric acid for 16h; Heating; | 81% |
With sulfuric acid at 20℃; Reflux; | 68% |
With hydrogenchloride | |
With sulfuric acid; benzene |
Conditions | Yield |
---|---|
With β-methyl aspartase; potassium chloride; ammonium chloride; magnesium chloride In water at 32℃; pH=9; | 90% |
With ammonium hydroxide; 3-methylaspartate ammonia-lyase; sodium chloride; magnesium chloride at 30℃; for 50h; | 69% |
With β-methylaspartase; ammonium chloride; ammonia; sodium chloride; magnesium chloride In water at 30℃; for 18h; | 66% |
Conditions | Yield |
---|---|
With sulfuric acid for 5h; Reflux; Inert atmosphere; | 87% |
With thionyl chloride at 0℃; for 2h; Reflux; | 76% |
With sulfuric acid for 12h; Heating; | 75% |
Mesaconic acid
(2S,3RS)-3-methylaspartic acid
Conditions | Yield |
---|---|
In water at 30℃; 0.2 M NH4Cl, 0.02 M MgCl2, 0.01 M KCl, methylaspartase, pH 9.0, several days; | 86% |
Mesaconic acid
Conditions | Yield |
---|---|
at 30℃; D2O, 0.2 M NH4Cl, 0.02 M MgCl2, 0.01 M KCl, methylaspartase, pD 8.6, several days; | 86% |
Conditions | Yield |
---|---|
81% |
Conditions | Yield |
---|---|
With sulfuric acid Heating; | 80% |
Mesaconic acid
butan-1-ol
(E)-2-methylbut-2-enedicarboxylic acid dibutyl ester
Conditions | Yield |
---|---|
With sulfuric acid for 3h; Reflux; | 75% |
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate In N,N-dimethyl-formamide for 2.5h; | 70% |
Conditions | Yield |
---|---|
With triethylamine In methanol; ethanol | 70% |
Conditions | Yield |
---|---|
With formaldehyd; TETRACYCLINE; paraquat dichloride In water at 37℃; for 24h; Clostridium formicoaceticum, phosphate buffer; | 69.8% |
mit Hilfe eines Mesaconase-Praeparats; |
Conditions | Yield |
---|---|
With triethylamine In methanol; ethanol; water for 168h; | 65% |
Conditions | Yield |
---|---|
With 3-methylaspartase enzymic amination in protium oxide; | 61% |
Multi-step reaction with 4 steps 1: 86 percent / H2O / 30 °C / 0.2 M NH4Cl, 0.02 M MgCl2, 0.01 M KCl, methylaspartase, pH 9.0, several days 2: 99 percent / aq. K2CO3 3: diethyl ether 4: 55 percent / HCl, AcOH / Heating View Scheme |
Mesaconic acid
Conditions | Yield |
---|---|
With potassium chloride; hydrazine hydrate; magnesium chloride at 30℃; for 72h; 3-methylaspartase (EC 4.3.1.2); | 61% |
With potassium and magnesium ions; hydrazine In water for 72h; 3-methylaspartase; | 41% |
Mesaconic acid
(2S,3S)-<3-2H>-3-methylaspartic acid
Conditions | Yield |
---|---|
With ammonium hydroxide; potassium chloride; water-d2; magnesium chloride In water at 30℃; for 48h; with 3-methylaspartase; | 60% |
With 3-methylaspartase; water-d2 enzymic amination; | 60% |
Conditions | Yield |
---|---|
With urea In water at 150℃; for 3h; Autoclave; | 60% |
Mesaconic acid
(2R)-bornane-10,2-sultam
(E)-1,4-Bis-((1S,5R,7R)-10,10-dimethyl-3,3-dioxo-3λ6-thia-4-aza-tricyclo[5.2.1.01,5]dec-4-yl)-2-methyl-but-2-ene-1,4-dione
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 0 - 20℃; | 50% |
Conditions | Yield |
---|---|
With potassium chloride; magnesium chloride at 30℃; for 168h; 3-methylaspartase (EC 4.3.1.2); | 40% |
With potassium and magnesium ions In water for 72h; 3-methylaspartase; | 35% |
Conditions | Yield |
---|---|
With potassium chloride; water-d2; magnesium chloride at 30℃; for 168h; 3-methylaspartase (EC 4.3.1.2); | 40% |
Conditions | Yield |
---|---|
With acetic acid In water at 95℃; for 5h; Microwave irradiation; Green chemistry; | 40% |
Conditions | Yield |
---|---|
With potassium chloride; hydroxylamine; ethylamine; magnesium chloride at 30℃; for 72h; 3-methylaspartase (EC 4.3.1.2); | 34% |
With potassium and magnesium ions In water for 72h; 3-methylaspartase; |
Mesaconic acid
Conditions | Yield |
---|---|
With potassium chloride; hydroxylamine; ethylamine; magnesium chloride at 30℃; for 72h; 3-methylaspartase (EC 4.3.1.2); | 19% |
Mesaconic acid
(1,3,5-triaza-7-phosphaadamantane)
Conditions | Yield |
---|---|
In water at 20℃; for 6574.5h; Solvent; Schlenk technique; | 8.5% |
7-methoxy-4-vinyl-1,2-dihydronaphthalene
Mesaconic acid
(+/-)-7-methoxy-1-methyl-1,2,3,4,9,10-hexahydro-phenanthrene-1r,2t-dicarboxylic acid
Conditions | Yield |
---|---|
With propionic acid |
methanol
Mesaconic acid
A
(E)-4-methoxy-3-methyl-4-oxobut-2-enoic acid
B
(E)-4-methoxy-2-methyl-4-oxobut-2-enoic acid
Conditions | Yield |
---|---|
With hydrogenchloride |
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