CAS NO. 516-05-2 Appearance:colourless or little yellow liquid Storage:sealed,room temperature Package:25KG/DRUM Application:intermediate of API. Transportation:BY SEA OR BY AIR. Port:QINGDAO;SHANGHAI
Cas:516-05-2
Min.Order:1 Kilogram
FOB Price: $100.0
Type:Trading Company
inquiryDayangChem exported this product to many countries and regions at best price. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product spe
Cas:516-05-2
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:516-05-2
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryCHENGDU YANXI is a comprehensive manufacturer and an international distribution of products throughout the world. Specialized in Scrap metal, Chemical raw materials, Paper products and color industry. We aim to become leading position in global dis
Cas:516-05-2
Min.Order:1 Kilogram
FOB Price: $4.0 / 5.0
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:516-05-2
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiry1.No Less 8 years exporting experience. Clients 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 Specialized
Cas:516-05-2
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryProduct Name: 2-Methylpropanedioic acid CAS: 516-05-2 MF: C4H6O4 MW: 118.09 EINECS: 208-219-5 Mol File: 516-05-2.mol 2-Methylpropanedioic acid Structure 2-Methylpropanedioic acid Chemical Properties Melting point 128-130 °
Cas:516-05-2
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryOur company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At prese
Cas:516-05-2
Min.Order:1 Kilogram
FOB Price: $76.0 / 85.0
Type:Trading Company
inquiry2-Methylpropanedioic acid CAS:516-05-2 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 i
Cas:516-05-2
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:516-05-2
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
Best quality & Attractive price & Professional service; Trial & Pilot & Commercial Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, specia
Hangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det
Cas:516-05-2
Min.Order:0 Metric Ton
Negotiable
Type:Lab/Research institutions
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
J&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
Zibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi
Cas:516-05-2
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquirylow price Wheat Grass ExtractAppearance:Green Powder Storage:Keep in dry,cool and ventilated place Package:according to customers' requirements Application:Pharmaceutical Intermediates Transportation:By air(EMS or EUB or FedEx or TNT ect...) or by se
2-Methylpropanedioic acid Basic information Product Name: 2-Methylpropanedioic acid Synonyms: 1,1-Ethanedicarboxylic acid;1,1-ethanedicarboxylicacid;2-Methylmal
Cas:516-05-2
Min.Order:1 Metric Ton
Negotiable
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:516-05-2
Min.Order:1 Kilogram
FOB Price: $2.0
Type:Lab/Research institutions
inquiryHunan Kaimir Biotechnology Co., Ltd. is a professional technology company specializing in the research and production of raw materials and intermediates. In 2017, it was recognized as a high-tech enterprise and a small technological innovation giant
Shandong Mopai Biotechnology Co., LTD is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemicals. W
Cas:516-05-2
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryWe are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp
The process is mature and can be mass produced to 100 kg, with good quality and purity up to 99%.The product has a large stock and can be supplied stably. Package:bottle Application:Drug R&D Transportation:Sealed drying(25℃) Port:ShangHai
Cas:516-05-2
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryhigh 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
R & D enterprises have their own stock in stockAppearance:To be subject to the object Package:Customized Application:pharmaceutical intermediates Transportation:Air Port:Shanghai;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:516-05-2
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
TAIHO Unique Advantages:1.We're factory2.Free samples available3.Commodity inspection can be done4.ISO9001,Kosher certifications5.10 years experiences Storage:Store in cool &dry place Package:aluminium foil bag/fiber can/plastic drum Application:comp
Conditions | Yield |
---|---|
With potassium hydroxide In ethanol for 1h; Ambient temperature; | 99% |
With potassium hydroxide In water at 0 - 20℃; for 60h; | 71% |
With potassium hydroxide In ethanol; water for 4h; Heating; |
monomethyl monopotassium malonate
methyl-propanedioic acid
Conditions | Yield |
---|---|
With concentrated hydrochloric acid In water | 96% |
With hydrogenchloride In hexane; dichloromethane | 84.8% |
1,3-di-tert-butyl 2-methylpropanedioate
methyl-propanedioic acid
Conditions | Yield |
---|---|
With sodium hydroxide In methanol; dichloromethane at 20℃; for 3h; Solvent; | 84% |
Conditions | Yield |
---|---|
In water; toluene | 81% |
With sodium hydroxide In methanol at 20℃; | |
With water; sodium hydroxide In methanol at 80℃; for 1h; |
Conditions | Yield |
---|---|
With potassium hydroxide |
2-methylmalonyl dichloride
methyl-propanedioic acid
Conditions | Yield |
---|---|
With sodium hydroxide |
Conditions | Yield |
---|---|
With nitric acid |
Conditions | Yield |
---|---|
With sodium hydroxide |
Conditions | Yield |
---|---|
Kochen; |
Conditions | Yield |
---|---|
Erhitzen; |
methyl-malonyl bromide
methyl-propanedioic acid
Conditions | Yield |
---|---|
With water |
Conditions | Yield |
---|---|
at 225℃; folgendes Verseifen mit Wasser; | |
at 225℃; im Rohr; und folgende Hydrolyse; | |
at 225℃; folgendes Verseifen mit Wasser; |
potassium cyanide
Ethyl 2-bromopropionate
methyl-propanedioic acid
Conditions | Yield |
---|---|
With ethanol ueber mehreren Stufen; |
2-methyl-3-oxo-3-(phenylamino)propanoic acid
methyl-propanedioic acid
Conditions | Yield |
---|---|
With sodium hydroxide Heating; |
Conditions | Yield |
---|---|
1.) Al, AlCl3, methylcyclohexane, 3 atm, 90-95 deg C, 12h; 2.) methylcyclohexane, 75 atm, 80 deg C; Multistep reaction; |
Conditions | Yield |
---|---|
With sodium bromate; sulfuric acid; cerium (IV) sulfate In water at 25℃; Mechanism; |
ethyl 2-nitrophenyl methylmalonate
A
ethanol
B
methyl-propanedioic acid
C
2-hydroxynitrobenzene
Conditions | Yield |
---|---|
With pH = 8.00 In water at 23℃; under 750.06 Torr; Mechanism; Rate constant; pressure-dependence of rates of elimination; activation parameter for hydrolysis: ΔV(excit.); var. press.; |
3,3-Dihydroxy-2-methyl-acrylic acid
methyl-propanedioic acid
Conditions | Yield |
---|---|
With cis-nitrous acid; chloride In water at 25℃; Equilibrium constant; |
Conditions | Yield |
---|---|
With sodium; Petroleum ether at 110℃; unter Druck; |
Conditions | Yield |
---|---|
With sodium; Petroleum ether at 110℃; unter Druck; |
methyl-propanedioic acid
Conditions | Yield |
---|---|
With sodium hydroxide |
methyl-propanedioic acid
Conditions | Yield |
---|---|
Erhitzen; |
ethyl 3-bromo-2-(ethoxycarbonyl)propionate
acetic acid
methyl-propanedioic acid
4-cyano-2-methyl-3-oxo-valeric acid ethyl ester
A
methyl-propanedioic acid
B
propionic acid
Conditions | Yield |
---|---|
Hydrolysis; |
chloroethane
carbon dioxide
A
methyl-propanedioic acid
B
propionic acid
Conditions | Yield |
---|---|
at 110℃; under 11032.6 Torr; |
9-hydroxyxanthene
methyl-propanedioic acid
(±)-2-(9H-xanthen-9-yl)propanoic acid
Conditions | Yield |
---|---|
With pyrrolidine; isopropyl alcohol; potassium hydroxide In toluene for 24h; Reflux; | 99% |
With pyridine |
5-(4'-fluorophenyl)furan-2-carbaldehyde
methyl-propanedioic acid
Conditions | Yield |
---|---|
With piperidine; pyridine for 3h; Knoevenagel Condensation; Reflux; | 96.7% |
methyl-propanedioic acid
Conditions | Yield |
---|---|
With sodium hydroxide; nitric acid; silver nitrate In methanol; water | 96.7% |
methyl-propanedioic acid
4-(4-methylphenyl)thiophene-2-carbaldehyde
Conditions | Yield |
---|---|
With piperidine; pyridine for 3h; Knoevenagel Condensation; Reflux; | 96.1% |
piperidine
methyl-propanedioic acid
tert-butyl (+/-)-trans-2,2-dimethyl-3-{2-carboxy-(E)-1-propenyl}cyclopropanecarboxylate
Conditions | Yield |
---|---|
In pyridine; diethyl ether; hexane; ethyl acetate | 96% |
In pyridine; diethyl ether; hexane; ethyl acetate | 94.1% |
4-phenylthiophene-2-carbaldehyde
methyl-propanedioic acid
(E)-2-methyl-3-(4-phenylthiophen-2-yl)acrylic acid
Conditions | Yield |
---|---|
With piperidine; pyridine for 3h; Knoevenagel Condensation; Reflux; | 95.5% |
methyl-propanedioic acid
3-methyl-2-methylthio-6-(tetra-O-acetyl-β-D-glucopyranosylamino)pyrimidin-4(3H)-one
3,4,7,8-tetrahydro-5-hydroxy-3,6-dimethyl-2-methylthio-4,7-dioxo-8-(2,3,4,6-tetra-O-acetyl-β-D-glucopyranosyl)pyrido<2,3-d>pyrimidine
Conditions | Yield |
---|---|
With acetic anhydride at 100℃; for 1h; | 95% |
methyl-propanedioic acid
di-tert-butyl dicarbonate
1,3-di-tert-butyl 2-methylpropanedioate
Conditions | Yield |
---|---|
With dmap In diethyl ether; tert-butyl alcohol at 23℃; for 48h; Inert atmosphere; | 95% |
methyl-propanedioic acid
Conditions | Yield |
---|---|
With calcium hydroxide In water at 70℃; for 5h; | 95% |
methyl-propanedioic acid
allyl alcohol
2-methylmalonic acid diallyl ester
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In benzene Heating; | 92% |
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 0 - 20℃; for 3.08333h; |
methyl-propanedioic acid
5-(4-tolyl)-2-furaldehyde
Conditions | Yield |
---|---|
With piperidine; pyridine for 3h; Knoevenagel Condensation; Reflux; | 92% |
methyl-propanedioic acid
Conditions | Yield |
---|---|
With piperidine; pyridine for 3h; Knoevenagel Condensation; Reflux; | 91.3% |
1,2-dimethoxybenzene
methyl-propanedioic acid
5,6-dimethoxy-2-methyl-1H-indene-1,3(2H)-dione
Conditions | Yield |
---|---|
In dichloromethane at 22℃; for 18h; | 91% |
With Eaton’s reagent In dichloromethane at 22℃; for 18h; Inert atmosphere; | 66% |
1-(2-fluoro-4-iodophenyl)-3-(4-methoxybenzyl)-6-(methylamino)pyrimidine-2,4(1H,3H)-dione
methyl-propanedioic acid
1-(2-fluoro-4-iodophenyl)-5-hydroxy-3-(4-methoxybenzyl)-6,8-dimethylpyrido[2,3-d]pyrimidine-2,4,7(1H,3H,8H)-trione
Conditions | Yield |
---|---|
With acetic anhydride at 90 - 100℃; for 4h; | 90.7% |
methyl-propanedioic acid
Conditions | Yield |
---|---|
With piperidine; pyridine for 3h; Knoevenagel Condensation; Reflux; | 90.6% |
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 0 - 20℃; for 3.08333h; | 90% |
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 0 - 20℃; for 3.08333h; | 90% |
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 0 - 20℃; for 3.08333h; | 90% |
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 0 - 20℃; for 3.08333h; | 90% |
methyl-propanedioic acid
Conditions | Yield |
---|---|
With piperidine; pyridine for 3h; Knoevenagel Condensation; Reflux; | 89.4% |
methyl-propanedioic acid
2,4,6-Trichlorophenol
bis(2,4,6-trichlorophenyl) 2-methylmalonate
Conditions | Yield |
---|---|
With trichlorophosphate for 5h; Reflux; | 89.11% |
With trichlorophosphate Reflux; |
N,N'-dimesitylformamidine
methyl-propanedioic acid
1,3-dimesityl-5-methyl-6-oxo-6H-pyrimidinium-4-olate
Conditions | Yield |
---|---|
With dicyclohexyl-carbodiimide In dichloromethane at 20℃; for 3h; Inert atmosphere; | 89% |
With triethylamine; dicyclohexyl-carbodiimide In dichloromethane at 0℃; Schlenk technique; Inert atmosphere; | 89% |
Conditions | Yield |
---|---|
With sodium carbonate In methanol; water three parts sepd. by water interphases: aq. soln. of MeCH(CO2H)2 and Na2CO3 at the bottom, soln. of Zn nitrate in the middle region and soln. ofbipyridine in MeOH on the top; sysztem stored at room temp. for a few w k; crystals collected; washed with H2O/EtOH; air dried; elem. anal.; | 89% |
Conditions | Yield |
---|---|
With manganese triacetate In acetic acid at 100℃; for 0.05h; | 88% |
methyl-propanedioic acid
Conditions | Yield |
---|---|
With piperidine; pyridine for 3h; Knoevenagel Condensation; Reflux; | 87.7% |
methyl-propanedioic acid
1,1'-(4-nitro-phenylmethanediyl)-bis-piperidine
(E)-2-methyl-3-(4-nitrophenyl)acrylic acid
Conditions | Yield |
---|---|
for 96h; Ambient temperature; | 87% |
Conditions | Yield |
---|---|
With sodium carbonate In methanol; water three parts sepd. by water interphases: aq. soln. of MeCH(CO2H)2 and Na2CO3 at the bottom, soln. of CoCl2*6H2O in the middle region and soln. ofbipyridine in MeOH on the top; system stored at room temp. for a few wk; crystals collected; washed with H2O/EtOH; air dried; elem. anal.; | 87% |
methyl-propanedioic acid
Acetic acid (2R,3R,4S,5R,6R)-4,5-diacetoxy-6-acetoxymethyl-2-(2-methoxy-6-oxo-1,6-dihydro-pyrimidin-4-ylamino)-tetrahydro-pyran-3-yl ester
Conditions | Yield |
---|---|
With acetic anhydride at 100℃; for 1h; | 86% |
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