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
Cas:553-90-2
Min.Order:100 Gram
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Type:Lab/Research institutions
inquiryDimethyl oxalate Product Name: Dimethyl oxalate Molecular Weight: 118.08 CAS NO: 553-90-2 EC NO: -- Molecular Formula: C4H6O4
The 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
Cangzhou Enke Pharma Tech Co.,ltd. is located in Cangzhou City, Hebei province ,where is a famous petroleum chemical industry city in China. Enke Pharma a high-tech enterprise ,and we are dedicated to developing and manufacturing new ap
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Cas:553-90-2
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inquiryWe are a professional chemicals, APIs and plant extract leading manufacturer in China. We are specialized in chemical synthesis, process development of pharmaceutical intermediates, active pharmaceutical ingredients (APIs), plant extract and rare c
Cas:553-90-2
Min.Order:1 Gram
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Type:Lab/Research institutions
inquiryOur company was built in 2009 with an ISO certificate.In the past 6 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:553-90-2
Min.Order:1 Kilogram
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Type:Lab/Research institutions
inquiryProduct Name Dimethyl oxalate Synonyms OXALIC ACID METHYL ESTER;OXALIC ACID BIS-METHYL ESTER;OXALIC ACID DIMETHYL ESTER;CH3OCOCOOCH3;Dimethyl ester of oxalic acid;Ethanedioc acid dimethyl ester;Ethanedi
1,In No Less five years exporting experience. 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Onchem specialized in APIs, chemical intermediate
Cas:553-90-2
Min.Order:25 Kilogram
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Type:Lab/Research institutions
inquiryMinimum Order Qty. 10 Gram Supply Ability 500 Kilograms/Month Storage store in cool, dry, ventilated place 20℃ Delivery Time 3 business days after payment Payment Term TT,western union,Paypal,MoneyGram Package 10g,20g,50g,100g,500g,1KGS,
Cas:553-90-2
Min.Order:10 Gram
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inquiryDimethyl oxalate CAS:553-90-2 Specification Product Name: Dimethyl oxalate Molecular Weight: 118.08 CAS NO: 553-90-2 EC NO: -- Molecular Formula: C4H6O4 Specification: 99(%)
Cas:553-90-2
Min.Order:1 Kilogram
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Type:Other
inquiryHangzhou 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:553-90-2
Min.Order:0 Metric Ton
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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
Massive Chemical is certified with ISO9001 and ISO14001 manufacturer for this product. We will offer all documents as requirement for the materials which includes, Certificate of Analysis, Material Safety Data Sheet, and Method of Analysis and
Cas:553-90-2
Min.Order:1 Gram
FOB Price: $1.0
Type:Lab/Research institutions
inquiryZibo 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:553-90-2
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquirymoderate price & quick delivery Appearance:colourless crystals Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:100g/bottle,1kg/bottle,25kg/drum or as per your request Application:Used in organic synthesis. As
Product Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,
Cas:553-90-2
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryWe 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:553-90-2
Min.Order:1 Gram
FOB Price: $3.0
Type:Lab/Research institutions
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:553-90-2
Min.Order:1 Kilogram
FOB Price: $1.0 / 3.0
Type:Trading Company
inquiryLocated in Hangzhou National Hi-Tech Industrial Development Zone, zhongqichem is a technical company mainly focus on the Custom synthesis, manufacturing, sales of chemicals to various industries. Benefiting from the outstanding customer service an
Appearance: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
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
stable supply&competitive price Storage:Available Package:25KG Or as client requirement Application:Important pharm intermediate Transportation:By air or By sea
high 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
Product Description Description & Specification Category Pharmaceutical Raw Materials, Fine Chemicals, Bulk drug Standard Medical standard
Cas:553-90-2
Min.Order:1 Kilogram
FOB Price: $112.0
Type:Trading Company
inquiryAnsciep 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
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
Conditions | Yield |
---|---|
With boron trifluoride at 65℃; for 0.333333h; | 100% |
With sulfuric acid for 1h; Reflux; | 95% |
With 1,3-dibromo-5,5-dimethylimidazolidine-2,4-dione at 70℃; for 15h; | 95% |
diacetato(2,2'-bipyridine)palladium(II)
Dimethyl oxalate
Conditions | Yield |
---|---|
With 1,4-di(diphenylphosphino)-butane In dichloromethane-d2 at 25℃; Catalytic behavior; Reagent/catalyst; Time; | 100% |
methyl nitrite
carbon monoxide
A
Dimethyl oxalate
B
nitrogen(II) oxide
Conditions | Yield |
---|---|
With 0.5% Pd/C at 100℃; under 375.038 Torr; for 0.000555556h; Pressure; Reagent/catalyst; Temperature; Time; | A 98.9% B n/a |
diethyl phosphorylchloridite
methyl 2,2-dichloro-2-methoxyacetate
A
monomethyl oxalyl chloride
B
Dimethyl oxalate
C
chloroethane
D
phosphonic dichloride
E
methyl phosphonochloridate
F
ethyl phosphonochloridate
Conditions | Yield |
---|---|
With iron(III) chloride at 105 - 110℃; for 1.16667h; Product distribution; | A n/a B n/a C 95% D n/a E n/a F n/a |
diethyl phosphorylchloridite
methyl 2,2-dichloro-2-methoxyacetate
A
Dimethyl oxalate
B
phosphorodichloridous acid ethyl ester
C
chloroethane
D
phosphonic dichloride
E
ethyl phosphonochloridate
Conditions | Yield |
---|---|
With iron(III) chloride at 105 - 110℃; for 0.833333h; Product distribution; | A n/a B n/a C 95% D n/a E n/a F n/a |
Conditions | Yield |
---|---|
Stage #1: carbon dioxide With cesium bicarbonate; alumina at 325℃; under 18751.9 Torr; for 1h; Glovebox; Inert atmosphere; Stage #2: carbon monoxide at 325℃; under 15001.5 Torr; for 2h; Stage #3: methanol at 220℃; under 33753.4 Torr; for 1h; Reagent/catalyst; Pressure; Temperature; | 95% |
With methyl nitrite; nitrogen(II) oxide; palladium/alumina In water at 100℃; Industry scale; | |
Stage #1: carbon dioxide; carbon monoxide With alumina; caesium carbonate at 25 - 325℃; under 15001.5 - 18751.9 Torr; Glovebox; Stage #2: methanol at 150℃; under 26252.6 Torr; Glovebox; |
methanol
carbon dioxide
carbon monoxide
caesium carbonate
A
Dimethyl oxalate
B
cesium bicarbonate
C
cesium formate
Conditions | Yield |
---|---|
Stage #1: carbon dioxide; carbon monoxide; caesium carbonate With silica gel; pyrographite at 325℃; under 15001.5 - 33753.4 Torr; Stage #2: methanol at 200℃; under 30003 Torr; for 2h; Reagent/catalyst; Temperature; Pressure; | A 95% B n/a C 0.8% |
Conditions | Yield |
---|---|
With pyridine In benzene for 30h; | 92% |
With pyridine In benzene at 20℃; for 30h; Inert atmosphere; Reflux; | 92% |
With pyridine In benzene for 3h; Inert atmosphere; Reflux; | 92% |
Conditions | Yield |
---|---|
Stage #1: carbon dioxide With hydrogen; caesium carbonate at 325℃; Glovebox; Stage #2: methanol at 150℃; | 89% |
A
Dimethyl oxalate
iron pentacarbonyl
Conditions | Yield |
---|---|
In dichloromethane-d2 byproducts: CO; introducing a soln. of Fe-complex in CD2Cl2 into NMR tube, maintaining temp. at 28°C under N2; monitoring by (13)C-NMR and gas chromatography; | A 15% B n/a C 85% |
With carbon monoxide In dichloromethane-d2 introducing a soln. of Fe-complex in CH2Cl2 into an autoclave thermostated at 34°C, stirring for 2.5 h under CO pressure; monitoring by (13)C-NMR and gas chromatography, cooling, removal of solvent under vacuum, redissolution in CD2Cl2, monitoring by (13)C-NMR; |
Conditions | Yield |
---|---|
for 2h; Solid phase reaction; esterification; | 67% |
fluorophosphoric acid diethyl ester
methyl 2,2-dichloro-2-methoxyacetate
A
Dimethyl oxalate
B
ethyl ethylphosphonofluoridate
C
ethylphosphonic chloride fluoride
D
methyl ethylphosphonofluoridate
E
ethyl phosphonofluoridate
Conditions | Yield |
---|---|
at 135 - 145℃; for 8h; Product distribution; | A 60% B n/a C n/a D n/a E n/a F n/a G n/a |
methanol
carbon dioxide
caesium carbonate
A
Dimethyl oxalate
B
cesium formate
Conditions | Yield |
---|---|
Stage #1: carbon dioxide; caesium carbonate With hydrogen at 325℃; under 750.075 Torr; Stage #2: methanol at 150℃; under 26252.6 Torr; | A 58% B 10% |
Conditions | Yield |
---|---|
Stage #1: carbon dioxide; caesium carbonate With hydrogen at 325℃; Stage #2: methanol at 150℃; | 54% |
methanol
5,5-Dichloro-3-cyclohexyl-oxazolidine-2,4-dione
A
Dimethyl oxalate
B
N-cyclohexyl-N-(methoxycarbonyl)oxamate
C
phenyl isocyanate
Conditions | Yield |
---|---|
With triethylamine In chloroform for 24h; Ambient temperature; | A n/a B 50% C n/a |
methanol
2,3-dimethoxy-1,3-butadiene
A
Dimethyl oxalate
B
methyl 2-methoxyacrylate
C
methoxymethyl hydroperoxide
D
2,3,3-Trimethoxy-4-hydroxy-1-butene
Conditions | Yield |
---|---|
With ozone at -30℃; | A 13 % Spectr. B 17% C 43% D 7% |
2,3-dimethoxy-1,3-butadiene
A
Dimethyl oxalate
B
methyl 2-methoxyacrylate
C
methoxymethyl hydroperoxide
D
2,3,3-Trimethoxy-4-hydroxy-1-butene
Conditions | Yield |
---|---|
With ozone In methanol at -30℃; | A n/a B 17% C 43% D 7% |
Conditions | Yield |
---|---|
sulfuric acid In methanol Heating; | 40% |
methyl 2-methoxyacrylate
A
Dimethyl oxalate
B
3-(Carboxymethyl)-3-methoxy-1,2-dioxolane
C
3-(Carboxymethyl)-3-methoxy-1,2,4-trioxolane
Conditions | Yield |
---|---|
With ozone at -75℃; for 3h; ozonolysis on polyethylene; | A n/a B 4% C 36% |
diazomethane
Methyl linoleate
A
Dimethyl oxalate
B
hexanedioic acid dimethyl ester
C
Dimethyl azelate
D
Dimethyl glutarate
E
dimethyl subarate
F
Dimethyl succinate
Conditions | Yield |
---|---|
With sodium hydroxide; 0 deg C; water; dihydrogen peroxide; ozone Product distribution; further conditions; | A n/a B 7.29% C 27.05% D 12.33% E 9.09% F 18.71% |
2,3-dimethoxy-1,3-butadiene
A
Dimethyl oxalate
B
methyl 2-methoxyacrylate
C
3-Methoxy-3-(1-methoxyethenyl)-1,2-dioxolane
D
3-Methoxy-3-(1-methoxyethenyl)-1,2,4-trioxolane
Conditions | Yield |
---|---|
With ozone In pentane at -30℃; | A n/a B n/a C 19% D 0.4% |
With ozone In pentane at -30℃; | A 19 % Spectr. B 34 % Spectr. C 19% D 0.4% |
2,3-dimethoxy-1,3-butadiene
A
Dimethyl oxalate
B
3-(Carboxymethyl)-3-methoxy-1,2-dioxolane
C
3-(Carboxymethyl)-3-methoxy-1,2,4-trioxolane
Conditions | Yield |
---|---|
With ozone In pentane at -30℃; | A n/a B 14% C 12% |
Conditions | Yield |
---|---|
In chloroform-d1 at 20℃; for 1h; | A n/a B 12% C 5.4% |
diazomethane
phenol; compound with oxalic acid
A
Dimethyl oxalate
B
methoxybenzene
methanol
bis(trichloromethyl) oxalate
A
Dimethyl oxalate
B
methyl chloroformate
methanol
oxalic acid
A
Dimethyl oxalate
B
oxalic acid monomethyl ester
Conditions | Yield |
---|---|
bei der Destillation; | |
With 20 molpercent molybdenum oxide nanoparticle supported on mesoporous silica at 75℃; for 8h; |
Dimethyl oxalate
potassium oxalate monomethyl ester
Conditions | Yield |
---|---|
With potassium acetate In methanol; water at 80℃; for 3h; | 100% |
With potassium acetate In methanol; water at 80℃; for 3h; | 91% |
With potassium acetate In methanol; water at 60℃; for 1h; | 80% |
With potassium acetate In methanol; water at 90℃; for 2h; Reflux; |
Dimethyl oxalate
3,5-dibromo-4-methoxy-phenyl acetic acid methyl ester
Conditions | Yield |
---|---|
With sodium methylate In methanol for 5h; Condensation; Heating; | 100% |
Dimethyl oxalate
4'-benzyloxy-acetophenone
sodium 3-(4-benzyloxyphenyl)-1-methoxycarbonyl-3-oxopropen-1-olate
Conditions | Yield |
---|---|
With sodium hydride In toluene at 60℃; for 3h; | 100% |
Dimethyl oxalate
1‐(6‐methoxypyridin‐3‐yl)ethan‐1‐one
4-(6-methoxy-3-pyridyl)-2,4-dioxobutanoic acid methyl ester
Conditions | Yield |
---|---|
Stage #1: Dimethyl oxalate; 1‐(6‐methoxypyridin‐3‐yl)ethan‐1‐one With sodium hydride In N,N-dimethyl-formamide at 0 - 20℃; for 1.25h; Stage #2: With hydrogenchloride In water; N,N-dimethyl-formamide pH=4; Product distribution / selectivity; | 100% |
Stage #1: Dimethyl oxalate; 1‐(6‐methoxypyridin‐3‐yl)ethan‐1‐one With hydrogenchloride; sodium methylate In methanol at 20 - 45℃; for 21.5h; Stage #2: With hydrogenchloride In methanol; chloroform; water Product distribution / selectivity; | 61% |
Dimethyl oxalate
glycine ethyl ester hydrochloride
dimethyloxalylglycine
Conditions | Yield |
---|---|
With triethylamine In methanol | 100% |
Dimethyl oxalate
4-bromo-2-fluoroacetophenone
Conditions | Yield |
---|---|
Stage #1: 4-bromo-2-fluoroacetophenone With lithium hexamethyldisilazane In tetrahydrofuran; 2-methyltetrahydrofuran at -78℃; for 0.25h; Stage #2: Dimethyl oxalate With hydrogenchloride In tetrahydrofuran; 2-methyltetrahydrofuran at -10℃; for 4h; | 100% |
Conditions | Yield |
---|---|
With ion-exchange resin Indion-130 In water at 75℃; for 1.5h; Reagent/catalyst; Autoclave; Sealed tube; Large scale; | 99.6% |
With sulfuric acid In methanol; water for 2h; Reflux; |
Conditions | Yield |
---|---|
With methanol; sodium Cooling with ice; | 99.5% |
Conditions | Yield |
---|---|
With hydrazine hydrate In methanol at 80℃; for 0.000833333h; | 99.4% |
With hydrazine hydrate In methanol | 95% |
With hydrazine hydrate for 8h; Reflux; | 75% |
With hydrazine hydrate In methanol |
Conditions | Yield |
---|---|
With sodium methylate In methanol; diethyl ether at 20℃; | 99.2% |
Stage #1: Dimethyl oxalate; acetone With sodium methylate In methanol at 0 - 5℃; for 8h; Cooling with ice; Stage #2: With hydrogenchloride In water pH=2 - 3; | 90% |
With sodium methylate In methanol at 0℃; for 8h; | 90% |
Dimethyl oxalate
L-Phenylalaninol
(S)-N,N'-bis<1-(hydroxymethyl)-2-phenylethyl>ethanediamide
Conditions | Yield |
---|---|
In methanol at 20℃; for 0.583333h; | 99% |
In methanol at 20℃; for 0.5h; | 99% |
In methanol at 20℃; for 0.0833333h; | 99% |
Dimethyl oxalate
(S)-2-amino-4-methylpentan-1-ol
(S,S)-N,N'-bis[1-(hydroxymethyl)-3-methylbutyl]ethanediamide
Conditions | Yield |
---|---|
In methanol at 20℃; for 0.583333h; | 99% |
In methanol at 20℃; for 0.5h; | 99% |
In methanol at 20℃; for 0.0833333h; | 99% |
Conditions | Yield |
---|---|
With (o-PPh2C6H4NH2)[EtNH(CH2)2NHEt]RuCl2; hydrogen; sodium methylate In tetrahydrofuran; para-xylene at 5 - 100℃; under 7500.75 Torr; for 1.5h; Reagent/catalyst; Pressure; Temperature; Glovebox; | 99% |
With hydrogen In methanol at 219.84℃; under 18751.9 Torr; Temperature; Reagent/catalyst; Autoclave; | 32% |
With 1,1,1-tris(n-butylthiomethyl)ethane; hydrogen; zinc; Λ(+)-tris(pentane-2,5-dionato)ruthenium In methanol at 100℃; under 60004.8 Torr; for 69h; Kinetics; Product distribution; Further Variations:; Reagents; |
Dimethyl oxalate
(2R)-2-aminobutan-1-ol
N,N'-bis[(1R)-1-(hydroxymethyl)propyl]ethanediamide
Conditions | Yield |
---|---|
In methanol at 20℃; for 0.583333h; | 99% |
In methanol at 20℃; for 0.5h; | 99% |
In methanol at 20℃; for 0.0833333h; | 99% |
Dimethyl oxalate
(S)-isoleucinol
N,N'-bis[(1S)-1-(S)-sec-butyl-2-hydroxyethyl]ethanediamide
Conditions | Yield |
---|---|
In methanol at 20℃; for 0.5h; | 99% |
In methanol at 20℃; for 0.583333h; | 98% |
In methanol at 20℃; for 0.583333h; | 98% |
Dimethyl oxalate
N,N,N',N'-tetrabutyl-N''-ethylguanidine
N,N,N’,N‘-tetrabutyl-N''-ethyl-N''-methylguanidinium-methyl oxalate
Conditions | Yield |
---|---|
In acetonitrile at 80℃; for 72h; | 99% |
Conditions | Yield |
---|---|
In methanol at 0 - 20℃; for 4h; | 99% |
Dimethyl oxalate
(R)-2-methoxy-1-phenylethylamine
Conditions | Yield |
---|---|
In methanol at 20℃; for 0.5h; Inert atmosphere; | 99% |
Dimethyl oxalate
1-phenylpropylamine
Conditions | Yield |
---|---|
In methanol at 20℃; for 0.5h; Inert atmosphere; | 99% |
Conditions | Yield |
---|---|
In dimethyl sulfoxide at 0℃; under 0 Torr; for 18h; Flow reactor; | 99% |
Conditions | Yield |
---|---|
Stage #1: Dimethyl oxalate; methanol With ammonia at 45℃; under 760.051 Torr; for 3h; Stage #2: With ammonia at 20 - 170℃; under 760.051 Torr; for 0.75 - 3h; | 98.6% |
Dimethyl oxalate
7-ethyl-3-methyl-4-nitroindole
Conditions | Yield |
---|---|
With potassium ethoxide In N,N-dimethyl-formamide Heating; | 98% |
Dimethyl oxalate
7-ethyl-3-methyl-6-nitroindole
1,3-dimethyl-7-ethyl-6-nitroindole
Conditions | Yield |
---|---|
With potassium ethoxide In N,N-dimethyl-formamide Heating; | 98% |
Conditions | Yield |
---|---|
With hydrogen In methanol at 179.84℃; under 18751.9 Torr; | 98% |
With C24H38Cl2N3PRu; hydrogen; sodium methylate In isopropyl alcohol at 100℃; under 38002.6 Torr; for 2h; Autoclave; | 97% |
With C24H38Cl2N3PRu; hydrogen; sodium methylate In isopropyl alcohol at 100℃; under 37503.8 Torr; for 2h; | 97% |
Dimethyl oxalate
O-methyldehydrozingerone
(5E)-methyl 6-(3,4-dimethoxyphenyl)-2-hydroxy-4-oxo-2-hexa-2,5-dienoate
Conditions | Yield |
---|---|
Stage #1: Dimethyl oxalate; O-methyldehydrozingerone With sodium methylate In tetrahydrofuran at 20℃; for 2h; Stage #2: With hydrogenchloride In tetrahydrofuran; water | 98% |
1-methyl-1H-imidazole
Dimethyl oxalate
N,N'-dimethylimidazolium-methyl oxalate
Conditions | Yield |
---|---|
In acetonitrile at 90℃; for 72h; | 98% |
Dimethyl oxalate
tributylphosphine
tributylmethylphosphonium-methyl oxalate
Conditions | Yield |
---|---|
In acetonitrile at 90℃; for 48h; | 98% |
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