A white crystalline powder or granules. In the dry state it is reasonably stable in air, but in solution it deteriorates in the presence of air, trace metal, heat and light. Also, it has a strong reduction effect and is capable of lowering blood pr
Items Standard Result GB22558-2008 FCC(IV) Description White or sl
Cas:89-65-6
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Cas:89-65-6
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inquiry2.Specification of D-Isoascorbic acid : Item Specification Appearance White crystalline powder or granules Assay %
Cas:89-65-6
Min.Order:1 Kilogram
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inquiry1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; ...... Appearance:White or light yellow crystalline particles or powder Storage
Cas:89-65-6
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inquiryGood quality Erythorbic acid at good price 1.Basic information: Product Name: Erythorbic Acid Molecular Formula: C5H704·COOH Molecular Weight: 176.03 Description: It is a white or light yellow crystalline pellet powder. 2.Spe
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inquiryhigh quality Appearance:White or off-white Solid 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
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
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inquiry1. 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
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As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem’s R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis
Cas:89-65-6
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Cas:89-65-6
Min.Order:1 Metric Ton
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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:89-65-6
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inquiryAdvantage : LIDE PHARMACEUTICALS LTD. is a mid-small manufacturing-type enterprise, engaged in pharmaceutical intermediates of R&D, custom-made and production, and also involving trading chemicals for export. We have established the R&
Cas:89-65-6
Min.Order:1 Gram
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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 manufactu
Cas:89-65-6
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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:89-65-6
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inquiryProduct name: Erythorbic acid Synonyms: Isoascorbic acid and D-araboascorbic acid Molecular Formula:C6H8O6 Molecular Weight:176.13 CAS NO: 89-65-6 Appearance: white powder Storage:Store in cool and dry place, away from sun light. Package: 2
Cas:89-65-6
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inquiryAppearance:White crystalline powder Storage:Room temperature Package:25kg/drum Application:Food antioxidants Transportation:Express/Sea/Air Port:Any port in china
Cas:89-65-6
Min.Order:1 Kilogram
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Cas:89-65-6
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Cas:89-65-6
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inquiryProduct Name: Erythorbic Acid Synonyms: 2,3-didehydro-d-erythro-hexono-1,4-lactone;FEMA 2410;ISOASCORBIC ACID;ISOVITAMIN C;3-keto-d-erythro-hexonicacigamma-lactone;araboascorbicacid;d-arabino-ascorbicacid;d-erythro-3-ketohexonicacidlactone CAS:
Erythorbic Acid CAS:89-65-6 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:89-65-6
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Henan 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
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inquiry1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures s
Cas:89-65-6
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inquiryPRODUCT DETAILS
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inquiryErythorbic Acid Product Name: D-Isoascorbic acid Synonyms: D-Araboascorbic acid; D-erythro-Hex-2-enonic acid, gamma-lactone; Isovitamin C; Erythorbic Acid; (5R)-5-(1,2-dihydroxyethyl)-3,4-dihydro
Cas:89-65-6
Min.Order:1 Metric Ton
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inquiry1,we produce and sell good chemicals around the world. 2,our success rate is about 95%. this means, if customer order is accepted, the probability that the customer will obtain the ordered substances, is 95%. 3,our staff consists of highly qualifie
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inquiryConditions | Yield |
---|---|
With potassium cyanide; nitrogen; water anschl. mit wss. HCl unter Ausschluss von Luft; |
D-arabino-[2]hexulosonic acid methyl ester
isoascorbic acid
Conditions | Yield |
---|---|
With manganese; water | |
With water; iron | |
With water; sodium hydrogencarbonate |
isoascorbic acid
Conditions | Yield |
---|---|
With ethanol; sulfuric acid anschl. mit Dicyclohexylamin und dann mit wss. NaOH; |
isoascorbic acid
Conditions | Yield |
---|---|
With methanol; sulfuric acid; water |
isoascorbic acid
Conditions | Yield |
---|---|
With methanol; sulfuric acid anschl. mit wss. NaHCO3; | |
With methanol; sulfuric acid anschl. mit wss. Na2CO3; |
Conditions | Yield |
---|---|
at 70℃; |
Conditions | Yield |
---|---|
at 70℃; |
Conditions | Yield |
---|---|
at 60℃; Rate constant; und 70grad; |
Conditions | Yield |
---|---|
at 70℃; |
Conditions | Yield |
---|---|
With ascorbic acid In phosphate buffer at 20℃; for 24h; pH=7.4; Product distribution; Reduction; |
2,2-dimethoxy-propane
isoascorbic acid
5,6-O-isopropylidene-D-isoascorbic acid
Conditions | Yield |
---|---|
With tin(ll) chloride In acetone for 0.5h; Heating; | 100% |
With (1S)-10-camphorsulfonic acid In acetone at 20℃; for 1h; | 98% |
With hydrogenchloride In acetone Ambient temperature; | 90% |
With tin(ll) chloride In acetone Reflux; |
Conditions | Yield |
---|---|
With Amberlite IR-120 for 2h; Heating; | 100% |
With acetyl chloride at 40℃; for 4h; | 83% |
With copper(II) sulfate for 48h; Ambient temperature; |
cycloxexanone dimethyl ketal
isoascorbic acid
5,6-O-Cyclohexylidene-D-isoascorbic acid
Conditions | Yield |
---|---|
With tin(ll) chloride In ethyl acetate for 0.5h; Heating; | 99% |
isoascorbic acid
6-Bromo-6-deoxy-D-isoascorbic acid
Conditions | Yield |
---|---|
With hydrogen bromide In acetic acid at 22℃; for 24h; | 99% |
With hydrogen bromide; acetic acid at 20℃; for 16h; Darkness; | 84% |
Multi-step reaction with 2 steps 1: HBr / 20 °C 2: H2O; HBr; AcOH / 5 h / 20 °C View Scheme | |
Multi-step reaction with 2 steps 1: hydrogen bromide 2: deacetylation View Scheme |
isoascorbic acid
D-erythronolactone
Conditions | Yield |
---|---|
Stage #1: isoascorbic acid With dihydrogen peroxide; sodium carbonate In water at 0℃; Stage #2: In water at 75℃; for 0.5h; Stage #3: With hydrogenchloride In water | 91% |
With dihydrogen peroxide | |
With dihydrogen peroxide; sodium carbonate In water at 0 - 40℃; for 2h; |
1,2-diamino-benzene
phenylhydrazine
isoascorbic acid
3-(1-phenylhydrazono-D-erythro-2,3,4-trihydroxybut-1-yl)quinoxalin-2-one
Conditions | Yield |
---|---|
With acetic acid In ethanol; water for 0.0666667h; microwave irradiation; | 86% |
isoascorbic acid
D-mannono-1,4-lactone
Conditions | Yield |
---|---|
With hydrogen; palladium on activated charcoal In methanol; water under 2585.74 Torr; | 82% |
With hydrogen; palladium on activated charcoal In water at 50℃; under 2585.7 Torr; for 6h; | 71% |
With hydrogen; palladium on activated charcoal In water under 3102.9 Torr; for 288h; Ambient temperature; | 51% |
3,3-dimethoxypentane
isoascorbic acid
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In N,N-dimethyl-formamide at 20℃; for 24h; Inert atmosphere; | 79% |
Conditions | Yield |
---|---|
With Candida antarctica lipase In acetonitrile at 50℃; Enzymatic reaction; | 78.5% |
With sulfuric acid |
Conditions | Yield |
---|---|
Stage #1: 1,1-dimethoxy-1-(4-bromophenyl)methane; isoascorbic acid With trifluoroacetic acid In N,N-dimethyl-formamide at 20℃; for 120h; Inert atmosphere; Stage #2: With dihydrogen peroxide; potassium carbonate In water at 0 - 20℃; for 16h; Stage #3: ethyl iodide In acetonitrile for 20h; Reflux; | 75% |
Conditions | Yield |
---|---|
Stage #1: isoascorbic acid With dihydrogen peroxide; sodium carbonate In water at 0 - 75℃; for 1h; Inert atmosphere; Stage #2: benzoyl chloride With pyridine at 0 - 20℃; for 12h; Inert atmosphere; | 69% |
Conditions | Yield |
---|---|
With dihydrogen peroxide; sodium carbonate 1) 17 deg C, 5 min; 2) 40 deg C, 30 min; | A n/a B 67.5% |
Conditions | Yield |
---|---|
In water Ambient temperature; | 65% |
isoascorbic acid
(-)-(3R-cis)-mono(tetrahydro-4-hydroxy-2-oxo-3-furanyl)ester 2-(4-methyl-phenyl)hidrazide of ethanedioic acid
Conditions | Yield |
---|---|
at 0℃; | 55% |
isoascorbic acid
Conditions | Yield |
---|---|
With immobilized lipase from Candida Antarctica In acetone at 45℃; for 16h; Molecular sieve; | 49% |
6-O-[(+)-L-ascorbic acid]-vinyl dodecanedioate
isoascorbic acid
Conditions | Yield |
---|---|
With immobilized lipase from Candida Antarctica In acetone at 45℃; for 16h; Molecular sieve; | 47% |
Conditions | Yield |
---|---|
In water Ambient temperature; | 39% |
2-pentenal
isoascorbic acid
Conditions | Yield |
---|---|
In water Ambient temperature; | 20% |
diazomethane
isoascorbic acid
D-erythro-2,4,5,6-tetrahydro-3-methoxy-hex-2c-enoic acid-4-lactone
Conditions | Yield |
---|---|
With methanol; diethyl ether at -10℃; |
diazomethane
isoascorbic acid
D-erythro-4,5,6-trihydroxy-2,3-dimethoxy-hex-2c-enoic acid-4-lactone
Conditions | Yield |
---|---|
With methanol; diethyl ether |
Conditions | Yield |
---|---|
With sulfuric acid | |
With Novozym 435 In neat (no solvent) for 72h; Inert atmosphere; Enzymatic reaction; |
1-hexadecylcarboxylic acid
isoascorbic acid
6-O-palmitoyl-L-ascorbic acid
Conditions | Yield |
---|---|
With sulfuric acid |
stearic acid
isoascorbic acid
D-erythro-2,3,4,5-tetrahydroxy-6-stearoyloxy-hex-2c-enoic acid-4-lactone
Conditions | Yield |
---|---|
With sulfuric acid |
(2,4-dinitro-phenyl)-hydrazine
isoascorbic acid
D-erythro-2,3-bis-(2,4-dinitro-phenylhydrazono)-4,5,6-trihydroxy-hexanoic acid-4-lactone
Conditions | Yield |
---|---|
With hydrogenchloride; iodine |
Conditions | Yield |
---|---|
With H(1+)*Fe(CN)6(3-)=HFe(CN)6(2-) In water at 20℃; Rate constant; Mechanism; further oxidants: Fe(3+)aq., Fe(OH)(2+)aq.; | |
With ammonium molybdate; water; dihydrogen peroxide | |
With p-benzoquinone In ethanol for 90h; Ambient temperature; | |
With iodine In ethanol; water |
methanol
isoascorbic acid
A
(3S,3aS,6R,6aR)-3,3a,6-Trihydroxy-3-methoxy-tetrahydro-furo[3,2-b]furan-2-one
B
(3R,3aS,6R,6aR)-3,3a,6-Trihydroxy-3-methoxy-tetrahydro-furo[3,2-b]furan-2-one
Conditions | Yield |
---|---|
With p-benzoquinone 1.) DMF, room temp.; Multistep reaction; |
Conditions | Yield |
---|---|
In dimethylsulfoxide-d6 for 2h; Product distribution; other time and solvent; | A 48 % Spectr. B 31 % Spectr. C 21 % Spectr. |
In perdeuteriopyridine for 0.05h; | A 45 % Spectr. B 45 % Spectr. C 10 % Spectr. |
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