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 ch
Cas:4792-29-4
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiry1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience 2. Free samples will be provided,ensure specifications and quality are right for customer 3. Customers will receive the most professional techn
Cas:4792-29-4
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
inquiryProduct description: Product name 5-Carboxyphthalide CAS number 4792-29-4 Assay ≥98% Appearance White to off-white powder Capacity 200mt/year Application Citalopram intermedi
Cas:4792-29-4
Min.Order:10 Gram
FOB Price: $12.0
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:4792-29-4
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryOur advantages: 1. All inquiries will be replied within 12 hours. 2. Dedication to quality, supply & service. 3. Strictly on selecting raw materials. 4. Reasonable & competitive price, fast lead time. 5. Sample is available for your eva
Cas:4792-29-4
Min.Order:1 Kilogram
FOB Price: $9.0 / 99.0
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:4792-29-4
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiry1. Product advantages High purity, all above 98.5%, no impurities after dissolution We will test each batch to ensure quality OEM and private brand services designed for free Various cap colors available We can also provide MT1 peptide powd
Cas:4792-29-4
Min.Order:1 Kilogram
FOB Price: $20.0 / 25.0
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:4792-29-4
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiry5-Carboxyphthalide CAS:4792-29-4 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 interme
Cas:4792-29-4
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:4792-29-4
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
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:4792-29-4
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
inquiryAppearance:white crystal Storage:Sealed in dry,Room Temperature Application:5-Carboxyphthalide is used in the cosmetic treatment method as a condensation polymer of the cosmetic composition Port:QINGDAO
Cas:4792-29-4
Min.Order:25 Kilogram
Negotiable
Type:Lab/Research institutions
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:4792-29-4
Min.Order:0 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryCompany Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments
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
Cas:4792-29-4
Min.Order:0 Metric Ton
Negotiable
Type:Other
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:4792-29-4
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquirySuperior quality, moderate price & quick delivery. Appearance:white powder Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:25kg/drum, or as per your request. Application:Used as Pharmaceutical Intermediates Tr
Cas:4792-29-4
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
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.
Cas:4792-29-4
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryProduct 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:4792-29-4
Min.Order:1 Metric Ton
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:4792-29-4
Min.Order:1 Gram
FOB Price: $1.0 / 2.0
Type:Lab/Research institutions
inquiryOur Advantages A. International Top level TechnologyOur company owned biomedicine experts are famous at home and abroad with rich experience in research and development in the field of efficient chiral functional molecules research and development an
factory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B
Cas:4792-29-4
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
Type:Trading Company
inquiryProduct name: 5-Carboxyphthalide CAS No.:4792-29-4 Molecule Formula:C9H6O4 Molecule Weight:178.14 Purity: 99.0% Package: 25kg/drum Description: White powder Manufacture Standards:Enterprise Standard TESTING ITEMS
Cas:4792-29-4
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
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:4792-29-4
Min.Order:1 Kilogram
FOB Price: $2.0
Type:Lab/Research institutions
inquiryShandong 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
1.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:4792-29-4
Min.Order:1 Metric Ton
FOB Price: $1.5
Type:Trading Company
inquiryAppearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
GOLDEN PHARMA CO.,LIMITED.is a professional pharmaceutical company,our team have more than 20years expereince in pharmaceutical production and sales. we are a professional technical enterprise specializing in the R & D, production,QA regulation
We 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
Cas:4792-29-4
Min.Order:1 Metric Ton
FOB Price: $1.0
Type:Trading Company
inquiry5-CarboxyphthalideAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air
Conditions | Yield |
---|---|
With sulfuric acid; paraformaldehyde In water | 82% |
With hydrogenchloride; sodium hydroxide; sulfur trioxide In 1,3,5-Trioxan; water | |
With hydrogenchloride; sodium hydroxide; sulfur trioxide In 1,3,5-Trioxan; water |
Conditions | Yield |
---|---|
With sulfuric acid; sulfur trioxide at 100 - 150℃; for 5 - 6h; | 76.4% |
chlorosulfuric acid chloromethyl ester
terephthalic acid
5-carboxyphtalide
Conditions | Yield |
---|---|
at 27 - 130℃; for 3h; Product distribution / selectivity; Industry scale; Neat (no solvent); | 60% |
1-oxo-1,3-dihydroisobenzofuran-5-carboxamide
5-carboxyphtalide
Conditions | Yield |
---|---|
With sodium hydroxide anschliessend Ansaeuern; |
hydroxymethyl-terephthalic acid
5-carboxyphtalide
Conditions | Yield |
---|---|
at 110℃; |
2-formyl-4-carboxybenzoic acid
5-carboxyphtalide
Conditions | Yield |
---|---|
With sodium hydroxide |
5-carboxyphtalide
Conditions | Yield |
---|---|
at 240℃; |
5-amino-3H-isobenzofuran-1-one
5-carboxyphtalide
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: copper (II)-sulfate; potassium cyanide / ueber eine wss. Diazoniumsalz-Loesung 2: aqueous sulfuric acid 3: aq. NaOH solution / anschliessend Ansaeuern View Scheme |
1-oxo-1,3-dihydro-isobenzofuran-5-carbonitrile
5-carboxyphtalide
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: aqueous sulfuric acid 2: aq. NaOH solution / anschliessend Ansaeuern View Scheme | |
With sulfuric acid In water Reflux; |
5-carboxyphtalide
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: calcium carbonate; water 2: NaOH-solution View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 6 steps 1: iron chloride; carbon disulfide 2: sodium hypobromite / 0 °C 3: thionyl chloride 5: calcium carbonate; water 6: NaOH-solution View Scheme |
2,4-dimethylbenzoyl chloride
5-carboxyphtalide
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 2: calcium carbonate; water 3: NaOH-solution View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: sodium hypobromite / 0 °C 2: thionyl chloride 4: calcium carbonate; water 5: NaOH-solution View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: thionyl chloride 3: calcium carbonate; water 4: NaOH-solution View Scheme |
Conditions | Yield |
---|---|
With hydrogenchloride; sodium hydroxide; sulfur trioxide In water | |
With hydrogenchloride; sulfur trioxide; sodium hydrogencarbonate In water | |
With hydrogenchloride; sulfur trioxide; sodium hydrogencarbonate In water; acetic acid |
Conditions | Yield |
---|---|
With hydrogenchloride; sulfur trioxide In water; acetic acid |
5-carboxyphtalide
5-(hydroxymethyl)isobenzofuran-1(3H)-one
Conditions | Yield |
---|---|
Stage #1: 5-carboxyphtalide With 1,1'-carbonyldiimidazole In tetrahydrofuran at 20℃; for 2h; Stage #2: With sodium tetrahydroborate In tetrahydrofuran; water Stage #3: With hydrogenchloride In tetrahydrofuran; water pH=2; | 94% |
Multi-step reaction with 2 steps 1: tetrahydrofuran / 2 h / 20 °C 2: sodium tetrahydroborate / tetrahydrofuran; water / 0.08 h / 20 °C View Scheme |
Conditions | Yield |
---|---|
With pyridine In tetrahydrofuran at 20℃; for 2h; | 93% |
5-carboxyphtalide
(1-oxo-1,3-dihydroisobenzofuran-5-yl)carbonyl chloride
Conditions | Yield |
---|---|
With thionyl chloride; N,N-dimethyl-formamide at 60℃; for 3 - 5h; Product distribution / selectivity; Heating / reflux; | 91% |
With thionyl chloride | |
With thionyl chloride In N,N-dimethyl-formamide; toluene | |
With thionyl chloride In N,N-dimethyl-formamide for 6h; Heating / reflux; | |
With thionyl chloride; N,N-dimethyl-formamide In toluene at 80℃; for 1h; Heating / reflux; |
5-carboxyphtalide
methyl iodide
methyl 1,3-dihydro-1-oxoisobenzofuran-5-carboxylate
Conditions | Yield |
---|---|
With potassium carbonate In dimethyl sulfoxide for 0.5h; | 91% |
With potassium carbonate In N,N-dimethyl-formamide at 50℃; | 15% |
methanol
5-carboxyphtalide
methyl 1,3-dihydro-1-oxoisobenzofuran-5-carboxylate
Conditions | Yield |
---|---|
With thionyl chloride at 5℃; for 2h; Reflux; | 90% |
5-carboxyphtalide
1-oxo-1,3-dihydro-isobenzofuran-5-carbonitrile
Conditions | Yield |
---|---|
Stage #1: 5-carboxyphtalide With ethyl phosphate; ammonium carbonate In acetonitrile at 0 - 25℃; for 6h; Stage #2: at 90 - 95℃; for 12h; | 89.5% |
With thionyl chloride; SULFAMIDE In sulfolane; water | |
With thionyl chloride; SULFAMIDE In sulfolane; water |
Conditions | Yield |
---|---|
With sulfuric acid In toluene at 80 - 110℃; | 88.3% |
5-carboxyphtalide
2-Amino-2-methyl-1-propanol
4,4-dimethyl-2-(1-oxo-1,3-dihydroisobenzofuran-5-yl)oxazoline
Conditions | Yield |
---|---|
Stage #1: 5-carboxyphtalide With chloroformic acid ethyl ester; triethylamine In acetone at -10 - 13℃; for 0.5h; Stage #2: 2-Amino-2-methyl-1-propanol In acetone at -10 - 20℃; Stage #3: With thionyl chloride; ammonia more than 3 stages; | 66.8% |
Stage #1: 5-carboxyphtalide With thionyl chloride In ISOPROPYLAMIDE at 60 - 80℃; for 6.5h; Stage #2: 2-Amino-2-methyl-1-propanol With potassium carbonate In tetrahydrofuran at 0 - 10℃; for 0.5h; Stage #3: With thionyl chloride; ammonia more than 3 stages; | 59.8% |
5-carboxyphtalide
propan-1-ol-3-amine
N-(3-hydroxypropyl)-1-oxo-1,3-dihydroisobenzofuran-5-carboxamide
Conditions | Yield |
---|---|
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine In N,N-dimethyl-formamide at 20℃; for 16h; | 52% |
5-carboxyphtalide
C10H14N2O2S*ClH
5-{2-[((2-phenoxyethyl)thio)methyl]-1,3,4-oxadiazol-5-yl}phthalide
Conditions | Yield |
---|---|
With tetrachloromethane; triethylamine; 4-(N,N-Dimethylamino)triphenylphosphine In acetonitrile at 20℃; | 51% |
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide |
5-carboxyphtalide
hydroxymethyl-terephthalic acid
5-carboxyphtalide
methyl 1,3-dihydro-1-oxoisobenzofuran-5-carboxylate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: thionyl chloride 2: methanol View Scheme |
5-carboxyphtalide
5-ethoxycarbonylphthalide
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: thionyl chloride 2: ethanol View Scheme | |
With trichlorophosphate In ethanol |
5-carboxyphtalide
2-Phenylsulfanylmethyl-terephthaloyl dichloride
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: K2CO3 / dimethylformamide 2: SOCl2 View Scheme |
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