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
Jinlan Pharm-Drugs Technology Co.,Limited (with its export company Hangzhou Royall Import & Export Co.,Ltd.)is located in Hangzhou, Zhejiang Province. Neighboring Ningbo port, Shanghai port, Hangzhou Xiaoshan Int’l Airport and Shanghai Pu
Cas:78649-41-9
Min.Order:1 Metric Ton
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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
Cas:78649-41-9
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inquiryShanghai Seasonsgreen Chemical is a high-tech research and development, production, sale and custom synthesis set in one high-tech chemical products enterprises. Our sales and marketing division is located in Shanghai, serving international pharmaceu
Cas:78649-41-9
Min.Order:1 Kilogram
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Type:Manufacturers
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
WITH 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:78649-41-9
Min.Order:10 Gram
FOB Price: $146.0 / 176.0
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:78649-41-9
Min.Order:1 Kilogram
FOB Price: $10.0 / 12.0
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:78649-41-9
Min.Order:1 Kilogram
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Type:Lab/Research institutions
inquiryIOMEPROL CAS:78649-41-9 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 intermediates, s
Cas:78649-41-9
Min.Order:1 Gram
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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
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
Company 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
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:78649-41-9
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryEstablished in May 2015, TaiChem Ltd. is initially invested by a British research and development company and started by PhDs back from aboard. The company is registered in China Medical City (CMC), Taizhou, Jiangsu Province, and the production site
Product name: Iomeprol CAS No.:78649-41-9 Molecule Formula:C17H22I3N3O8 Molecule Weight:777.09 Purity: 99.0% Package: 25kg/drum Description:White powder Manufacture Standards:Enterprise Standard TESTING ITEMS SPEC
Cas:78649-41-9
Min.Order:1 Kilogram
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inquiryGMP standard, high purity, competitive price, in stock 1. Quick Response: within 6 hours after receiving your email. 2. Quality Guarantee: All products are strictly tested by our QC, confirmed by QA, and approved by a third-party lab in China, USA,
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:78649-41-9
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
Type:Trading Company
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
Cas:78649-41-9
Min.Order:1 Gram
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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:78649-41-9
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
Stock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Cas:78649-41-9
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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
Cas:78649-41-9
Min.Order:1 Metric Ton
FOB Price: $1.0
Type:Trading Company
inquiry1, High quality with competitive price:2, Fast and safe delivery3.Excellent pre-sales and after-sales service4. Well-trained and professional technologist and sales with rich experience in the field for 5-10 yearsAppearance:see detailed specification
Cas:78649-41-9
Min.Order:0
Negotiable
Type:Trading Company
inquiryLower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe
Jinhua huayi chemical co., ltd. is dedicated to the development, production and marketing of chemicals. On the basis of equality and mutual benefit, and under the principle of customer first, credit first, quality first, we are ready to join hands
Why is SINOWAY:1) Specialized in pharmaceutical and healthcare industrial since 19872) ISO 9001:2015 & SGS audited supplier . 3) Accept various payment terms : T.T 30-60 days.4) We have warehouse in USA with quickly shipment .5) We can do different t
Cas:78649-41-9
Min.Order:0
Negotiable
Type:Trading Company
inquiryR & D enterprises have their own stock in stock Package:1kg Application:pharmaceutical intermediates
Cas:78649-41-9
Min.Order:0
Negotiable
Type:Manufacturers
inquiry1.A strong technical force and advanced processing equipments. The quality of the products has been strictly inspected and all kinds of index have reached or exceeded domestic and international standards.2. Now we have established long-term stable re
1.Our services:A.Supply sampleB.The packing also can be according the customers` requirmentC.Any inquiries will be replied within 24 hoursD.we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate.
N1,N3-bis(2,3-dihydroxypropyl)-5-(2-hydroxyacetamido)-2,4,6-triiodobenzene-1,3-dicarboxamide
methyl iodide
iomeprol
Conditions | Yield |
---|---|
With sodium hydroxide In N,N-dimethyl acetamide at 10 - 60℃; for 16h; | 95% |
With sodium hydroxide In N,N-dimethyl acetamide at 10 - 60℃; | 95% |
iomeprol
Conditions | Yield |
---|---|
With sodium hydroxide In water at 20℃; for 3h; Reagent/catalyst; Temperature; | 90% |
Multi-step reaction with 2 steps 1: pyridine / 20.5 h / 5 - 20 °C 2: calcium hydroxide / water / 4 h / 20 °C View Scheme |
iomeprol
Conditions | Yield |
---|---|
With sodium acetate In water for 17h; Time; Reflux; Large scale; | 88% |
iomeprol
Conditions | Yield |
---|---|
With calcium hydroxide In water at 20℃; for 4h; Reagent/catalyst; Temperature; | 84% |
With sulfuric acid In methanol for 3h; Solvent; Reflux; | 65% |
iomeprol
Conditions | Yield |
---|---|
With sodium hydroxide In water at 50℃; Smiles rearrangement; | 81% |
5-aminoisophthalic acid
iomeprol
Conditions | Yield |
---|---|
Multi-step reaction with 6 steps 1.1: sulfuric acid / chloroform / 7 h / 50 - 60 °C / Large scale 2.1: sulfuric acid / 9 h / Reflux; Large scale 3.1: sodium methylate / methanol / 12 h / 5 °C / Reflux 4.1: Iodine monochloride / water / 5 h / 64 - 90 °C / Large scale 4.2: 36 h / 5 - 50 °C / pH 2 / Large scale 5.1: N,N-dimethyl acetamide / 2 h / 10 - 70 °C / Large scale 5.2: 4 h / 30 - 50 °C / Large scale 6.1: sodium acetate / water / 17 h / Reflux; Large scale View Scheme |
iomeprol
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1.1: sulfuric acid / 9 h / Reflux; Large scale 2.1: sodium methylate / methanol / 12 h / 5 °C / Reflux 3.1: Iodine monochloride / water / 5 h / 64 - 90 °C / Large scale 3.2: 36 h / 5 - 50 °C / pH 2 / Large scale 4.1: N,N-dimethyl acetamide / 2 h / 10 - 70 °C / Large scale 4.2: 4 h / 30 - 50 °C / Large scale 5.1: sodium acetate / water / 17 h / Reflux; Large scale View Scheme |
5-methylaminoisophthalic acid dimethyl ester
iomeprol
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: sodium methylate / methanol / 12 h / 5 °C / Reflux 2.1: Iodine monochloride / water / 5 h / 64 - 90 °C / Large scale 2.2: 36 h / 5 - 50 °C / pH 2 / Large scale 3.1: N,N-dimethyl acetamide / 2 h / 10 - 70 °C / Large scale 3.2: 4 h / 30 - 50 °C / Large scale 4.1: sodium acetate / water / 17 h / Reflux; Large scale View Scheme |
iomeprol
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: Iodine monochloride / water / 5 h / 64 - 90 °C / Large scale 1.2: 36 h / 5 - 50 °C / pH 2 / Large scale 2.1: N,N-dimethyl acetamide / 2 h / 10 - 70 °C / Large scale 2.2: 4 h / 30 - 50 °C / Large scale 3.1: sodium acetate / water / 17 h / Reflux; Large scale View Scheme |
5-amino-N,N'-bis(2,3-dihydroxypropyl)-2,4,6-triiodoisophthalamide
iomeprol
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: dmap / ethyl acetate / 2 h / Reflux 2: N,N-dimethyl-formamide / 4 h / 40 °C 3: potassium carbonate / acetone / 12 h / -5 - 20 °C 4: sulfuric acid / methanol / 3 h / Reflux View Scheme | |
Multi-step reaction with 4 steps 1: dmap / ethyl acetate / 2 h / Reflux 2: N,N-dimethyl-formamide / 4 h / 40 °C 3: potassium carbonate / acetone / 5 h / 20 °C 4: sulfuric acid / methanol / 3 h / Reflux View Scheme |
5-amino-N,N'-bis[2,3-bis(acetyloxy)propyl]2,4,6-triiodo-1,3-benzenedicarboxamide
iomeprol
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: N,N-dimethyl-formamide / 4 h / 40 °C 2: potassium carbonate / acetone / 12 h / -5 - 20 °C 3: sulfuric acid / methanol / 3 h / Reflux View Scheme | |
Multi-step reaction with 3 steps 1: N,N-dimethyl-formamide / 4 h / 40 °C 2: potassium carbonate / acetone / 5 h / 20 °C 3: sulfuric acid / methanol / 3 h / Reflux View Scheme |
iomeprol
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: potassium carbonate / acetone / 12 h / -5 - 20 °C 2: sulfuric acid / methanol / 3 h / Reflux View Scheme |
N1,N3-bis(2,3-dihydroxypropyl)-5-(2-hydroxyacetamido)-2,4,6-triiodobenzene-1,3-dicarboxamide
dimethyl sulfate
iomeprol
Conditions | Yield |
---|---|
Stage #1: N,N'-bis-(2,3-dihydroxypropyl)-5-(2-hydroxyacetylamino)-2,4,6-triiodoisophthalamide With calcium chloride In methanol at 70℃; for 3h; Stage #2: With calcium hydroxide In methanol at 0 - 5℃; for 1h; Stage #3: dimethyl sulfate In methanol at 0 - 5℃; for 7h; Temperature; | 4.21 g |
2-((3,5-bis (chlorocarbonyl)-2,4,6-triiodophenyl)amino)-2-oxoethyl acetate
iomeprol
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: triethylamine / N,N-dimethyl acetamide / 15 h / 15 - 30 °C 2: sodium hydroxide / water / 8 h / 25 - 30 °C 3: sodium hydroxide / N,N-dimethyl acetamide / 16 h / 10 - 60 °C View Scheme | |
Multi-step reaction with 3 steps 1: triethylamine / N,N-dimethyl acetamide / 15 h / 15 - 30 °C 2: water; sodium hydroxide / 8 h / 25 - 30 °C 3: sodium hydroxide / N,N-dimethyl acetamide / 10 - 60 °C View Scheme |
5-amino-2,4,6-triiodoisophthalic acid dichloride
iomeprol
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: N,N-dimethyl acetamide / 20.5 h / 20 - 25 °C 2: triethylamine / N,N-dimethyl acetamide / 15 h / 15 - 30 °C 3: sodium hydroxide / water / 8 h / 25 - 30 °C 4: sodium hydroxide / N,N-dimethyl acetamide / 16 h / 10 - 60 °C View Scheme | |
Multi-step reaction with 4 steps 1: N,N-dimethyl acetamide / 2.5 h / 20 - 25 °C 2: triethylamine / N,N-dimethyl acetamide / 15 h / 15 - 30 °C 3: water; sodium hydroxide / 8 h / 25 - 30 °C 4: sodium hydroxide / N,N-dimethyl acetamide / 10 - 60 °C View Scheme |
iomeprol
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: sodium hydroxide / water / 8 h / 25 - 30 °C 2: sodium hydroxide / N,N-dimethyl acetamide / 16 h / 10 - 60 °C View Scheme | |
Multi-step reaction with 2 steps 1: water; sodium hydroxide / 8 h / 25 - 30 °C 2: sodium hydroxide / N,N-dimethyl acetamide / 10 - 60 °C View Scheme |
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