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 quantities
Cas:1398-61-4
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryWelcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our
Cas:1398-61-4
Min.Order:0 Metric Ton
Negotiable
Type:Manufacturers
inquiryItems Standard Result Assay (Ursolic acid) 98%min 98.22% -----------------------------------------------------------------------------------------------------------
Cas:1398-61-4
Min.Order:1 Gram
FOB Price: $100.0 / 500.0
Type:Trading Company
inquiryhebei yanxi chemical co., LTD who registered capital of 10 million yuan, nearly to $2 million, we have a pharmaceutical raw materials factory production of pharmaceutical raw materials, and a reagent r&d center, and we do research and developm
Cas:1398-61-4
Min.Order:1 Metric Ton
FOB Price: $1.0 / 3.0
Type:Manufacturers
inquiryCompany Name: Hefei TNJ Chemical Industry Co.,Ltd. Registered Address: B911 Xincheng Business Center,South of Dongliu Road, Zhengwu District, Hefei, Anhui,China
Cas:1398-61-4
Min.Order:25 Kilogram
Negotiable
Type:Trading Company
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:1398-61-4
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
inquiry1398-61-4 - Physico-chemical Properties Molecular Formula C6H11NO4X2 Molar Mass 161.16 Density 1.3744 (rough estimate) Melting Point >300°C (dec.) Boling Point 737.18°C (rough es
Cas:1398-61-4
Min.Order:1 Gram
FOB Price: $6.0 / 7.0
Type:Lab/Research institutions
inquiryGood quantity Chitin Basic information Product Name: Chitin Synonyms: beta-chitin;chitina;SQUID PEN CHITIN;POLY(N-ACETYL-1,4-BETA-D-GLUCOPYRANOSAMINE);POLY(N-ACETYL-D-GLUCOSAMINE);POLY
With 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:1398-61-4
Min.Order:1 Kilogram
FOB Price: $1.0 / 10.0
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:1398-61-4
Min.Order:10 Gram
FOB Price: $146.0 / 176.0
Type:Trading Company
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:1398-61-4
Min.Order:10 Kilogram
Negotiable
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 ♦ W
Cas:1398-61-4
Min.Order:1 Metric Ton
FOB Price: $380.0 / 590.0
Type:Trading Company
inquiryAppearance:White powder Storage:R.T Package:25kg/drum Application:Main raw material for preparing chitosan and glucosamine series products Transportation:Express/Sea/Air Port:Any port in China
Cas:1398-61-4
Min.Order:25 Kilogram
Negotiable
Type:Lab/Research institutions
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 powder Storage:Store in sealed containers at cool & dr
Cas:1398-61-4
Min.Order:100 Gram
Negotiable
Type:Other
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:1398-61-4
Min.Order:1 Kilogram
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 present
Cas:1398-61-4
Min.Order:1 Kilogram
FOB Price: $89.0 / 96.0
Type:Trading Company
inquiryChitin CAS:1398-61-4 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 intermediates, ster
Cas:1398-61-4
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
PRODUCT DETAILS
Cas:1398-61-4
Min.Order:500 Kilogram
FOB Price: $1.0 / 2.0
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
Triumph has the complete production of G- KG - MT service chain,we can make the new technology into productivity quickly in the research and development of new products. Main Business Custom Synthesis: Trading(Raw Mater
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
Product Name: Chitosan Source: Shrimp/Crab shell Application: Food/Cosmetic/Pharma/Industrial Area Solubility: Soluble in acid, insoluble in water Deacetylation degree:85% 90% 95% CAS Number: 1398-61-4 Molecular formula: (C6H11NO4)N Binb
Cas:1398-61-4
Min.Order:1 Kilogram
Negotiable
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
Our Advantages Production: Advanced chemical equipment with years of experience Staffs for producing various extract products. Quality Control:A complete set of Testing Professional and Analysis Equipment ensures the Quality Requirements and Specif
Cas:1398-61-4
Min.Order:1 Kilogram
FOB Price: $75.0 / 150.0
Type:Trading Company
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
We are one of a few suppliers that can offer custom synthesis service of this product We are specialized in custom synthesis, chemical/pharmaceutical/ pesticides outsourcing and contract research. We are committed to prov
Superior 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
1. A strong scientific research team . 2. Stable quality (with a complete scientific research center and testing center to ensure the quality stability of each batch of products). 3. Rich export experience (with practical experience in exporting to m
Cas:1398-61-4
Min.Order:1 Kilogram
FOB Price: $8.2 / 8.8
Type:Trading Company
inquiryConditions | Yield |
---|---|
With sodium hydroxide In water at 20℃; for 0.0166667h; Industry scale; Heating / reflux; Continuous processing; | 94% |
Conditions | Yield |
---|---|
With sodium hydroxide at 60℃; for 72h; | 92.6% |
With sodium hydroxide at 121℃; under 775.722 Torr; for 0.0833333h; Product distribution; Further Variations:; Temperatures; NaOH concentration; Deacetylation; | |
With sodium hydroxide at 110℃; for 4h; |
phenyl isocyanate
Conditions | Yield |
---|---|
With lithium chloride In N,N-dimethyl acetamide at 80℃; for 24h; Addition; | 88% |
3,4-dichlorophenyl isocyanate
Conditions | Yield |
---|---|
With lithium chloride In N,N-dimethyl acetamide at 80℃; for 24h; Addition; | 88% |
3,5-dimethylphenyl isocyanate
Conditions | Yield |
---|---|
With lithium chloride In N,N-dimethyl acetamide at 80℃; for 24h; Addition; | 88% |
N,N’-diacetylchitobiose
Conditions | Yield |
---|---|
Stage #1: chitin With hydrogenchloride In water at 20℃; Stage #2: With recombinant chitinase A from Serratia marcescens; sodium acetate at 37℃; for 240h; pH=5.7; aq. buffer; Enzymatic reaction; | 80% |
Hexamethylene diisocyanate
Conditions | Yield |
---|---|
With triethylamine In toluene at 20℃; for 24h; Inert atmosphere; | 70% |
levulinic acid
Conditions | Yield |
---|---|
With [1-(3-sulfonic acid)]propyl-3-methylimidazolium hydrogen sulfate; water at 180℃; for 5h; Reagent/catalyst; Temperature; Autoclave; | 67% |
With water; C18H32N4O6S2(2+)*2Br(1-) at 180℃; for 3h; Reagent/catalyst; Time; | 58.3% |
With hydrogenchloride In water at 190℃; for 0.5h; Reagent/catalyst; Microwave irradiation; |
N-acetyl-D-glucosamine
Conditions | Yield |
---|---|
Stage #1: chitin With phosphoric acid at 20℃; for 12h; Stage #2: With Trichoderma viride AGCC-M41 chitinase at 42.5℃; for 48h; pH=4; | 65.4% |
Stage #1: chitin With sulfuric acid In water at 53.84℃; for 6h; Milling; Stage #2: With sulfuric acid; hydrogen In water at 179.84℃; under 30003 Torr; pH=2; Catalytic behavior; Reagent/catalyst; Autoclave; | 49% |
With Serratia proteamaculans chitinase D In aq. phosphate buffer at 40℃; for 1h; pH=8; Kinetics; Reagent/catalyst; Enzymatic reaction; |
Conditions | Yield |
---|---|
With hydrogenchloride; water at 60 - 100℃; for 2.5 - 3h; Product distribution / selectivity; | 60% |
With β-N-acetylhexosaminidase (E.C. 3.2.1.52) from Zobellia galactanivorans; deacetylase from Cyclobacterium marinum DSM 745 In aq. buffer at 37℃; pH=8; |
A
chitotriose
B
N,N',N'',N'''-tetraacetylchitotetraose
D
N-Acetyl-D-glucosamine
Conditions | Yield |
---|---|
With sulfuric acid In water at 169.84℃; for 1h; Temperature; Milling; | A 11% B 9.7% C 7.8% D 53% E 8.6% |
2-acetylamino-2-deoxy-D-glucitol
Conditions | Yield |
---|---|
Stage #1: chitin With sulfuric acid In water at 53.84℃; for 6h; Milling; Stage #2: With sulfuric acid In water at 174.84℃; pH=2; Autoclave; Stage #3: In water at 119.84℃; under 30003 Torr; for 2h; pH=3; Catalytic behavior; Kinetics; Reagent/catalyst; pH-value; Temperature; Autoclave; | 52% |
Conditions | Yield |
---|---|
Stage #1: chitin With sulfuric acid In water at 53.84℃; for 6h; Milling; Stage #2: With sulfuric acid In water at 174.84℃; pH=2; Autoclave; Stage #3: In water at 119.84℃; under 30003 Torr; for 2h; pH=3; Autoclave; | A 16% B 31% |
A
N-acetyl-D-glucosamine
B
O-(2-acetamido-2-deoxy-β-D-glucopyranosyl)-(1->4)-O-(2-acetamido-2-deoxy-β-D-glucopyranosyl)-(1->4)-2-acetamido-2-deoxy-D-glucopyranose
Conditions | Yield |
---|---|
With sulfuric acid In water at 53.84℃; for 6h; Catalytic behavior; Reagent/catalyst; Milling; | A 19% B 29% C 26% |
N-(5-acetylfuran-3-yl)acetamide
Conditions | Yield |
---|---|
Stage #1: chitin for 4h; Milling; Stage #2: With hydrogenchloride; boric acid In water at 180℃; for 1h; Temperature; Solvent; Sealed tube; Ionic liquid; | 20% |
With hydrogenchloride; boric acid In water at 180℃; for 1h; Solvent; Reagent/catalyst; Ionic liquid; |
Conditions | Yield |
---|---|
Stage #1: chitin With sulfuric acid In water at 53.84℃; for 6h; Milling; Stage #2: With 5% ruthenium on zirconium oxide; sulfuric acid; hydrogen In water at 179.84℃; under 30003 Torr; pH=2; Autoclave; | A 15% B 19% |
Conditions | Yield |
---|---|
With sulfuric acid at 55℃; for 6h; | 11.5% |
With sulfuric acid at 55℃; for 6h; Sonication; | 6.1% |
acetic anhydride
Conditions | Yield |
---|---|
With sulfuric acid at 20 - 55℃; for 4h; | 5.6% |
Conditions | Yield |
---|---|
With hydrogenchloride for 1.5h; Heating; | 0.22% |
Conditions | Yield |
---|---|
With sodium hydroxide; sodium tetrahydroborate In water at 110℃; for 5h; |
Conditions | Yield |
---|---|
Stage #1: chitin With hydrogenchloride for 1.5h; sonication; Stage #2: With disodium hydrogenphosphate; Streptomyces griseus chitinase at 37℃; for 360h; pH=6.4; Stage #3: acetic anhydride With sodium acetate at 80℃; for 48h; | A n/a B 610 mg |
B
N-Acetyl-D-glucosamine
Conditions | Yield |
---|---|
Stage #1: chitin With hydrogenchloride for 1.5h; sonication; Stage #2: With disodium hydrogenphosphate; Streptomyces griseus chitinase at 37℃; for 360h; pH=6.4; Title compound not separated from byproducts; |
N,N'-diacetylchitobiosamine
Conditions | Yield |
---|---|
Stage #1: chitin With hydrogenchloride for 1.5h; sonication; Stage #2: With disodium hydrogenphosphate; Streptomyces griseus chitinase at 37℃; for 360h; pH=6.4; Stage #3: With ammonium carbamate In methanol at 37℃; for 16h; | 260 mg |
Conditions | Yield |
---|---|
With sodium hydroxide at 95℃; for 0.5h; |
N-Acetyl-D-glucosamine
Conditions | Yield |
---|---|
With hydrogenchloride at 70℃; | |
With water In glycerol at 37℃; Kinetics; Time; Reagent/catalyst; aq. acetate buffer; Enzymatic reaction; |
Conditions | Yield |
---|---|
With sodium hydroxide at 120℃; for 0.5h; |
Conditions | Yield |
---|---|
With sodium hydroxide at 120℃; for 1h; |
Conditions | Yield |
---|---|
With sodium hydroxide at 80℃; for 0.166667h; |
Conditions | Yield |
---|---|
With sodium hydroxide at 80℃; for 0.5h; |
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