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
Why is SINOWAY: 1) Specialized in pharmaceutical and healthcare industrial for 34 years. 2) 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 c
Cas:78110-38-0
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiry---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Hangzhou Dingyan Chem is a leading manufacturer and supplier of
Cas:78110-38-0
Min.Order:1 Gram
FOB Price: $100.0 / 500.0
Type:Trading Company
inquiryJinlan 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:78110-38-0
Min.Order:0 Metric Ton
Negotiable
Type:Manufacturers
inquiryUnique advantages for Aztreonam Cas 78110-38-0 Guaranteed the purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:Powder Storage: 0-5°C Package:1kg/foil bag, 25kg/drum or as you requir
Cas:78110-38-0
Min.Order:1 Kilogram
FOB Price: $90.0
Type:Trading Company
inquiryThe 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
1. 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:78110-38-0
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
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:78110-38-0
Min.Order:1 Kilogram
FOB Price: $1.0
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
chengdu and import and export trade 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 res
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:78110-38-0
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:78110-38-0
Min.Order:1 Kilogram
FOB Price: $5.0 / 10.0
Type:Trading Company
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:78110-38-0
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryChemical Name: Aztreonam Other name: Aztreonam sterile Molecular Formula: C13H17N5O8S2 Formula Weight: 435.43 CAS No.: 78110-38-0;80951-91-3;149496-40-2 EINECS号: 278-839-9 Appearance:white to off-white crystals Assay: 92.0% ~105.
Our 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
1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; Appearance:White, odorless crystalline powder Storage:Store in sealed c
Cas:78110-38-0
Min.Order:100 Gram
Negotiable
Type:Other
inquiryHanways chempharm is a specialized company concentrating on the R&D, production, marketing and technical service of APIs and pharmaceutical intermediates. The marketing department is located in Wuhan. We have two GMP facilities in Hubei Pr
Cas:78110-38-0
Min.Order:1 Kilogram
FOB Price: $200.0 / 400.0
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:78110-38-0
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:78110-38-0
Min.Order:1 Kilogram
FOB Price: $254.0 / 280.0
Type:Trading Company
inquiryAztreonam CAS: 78110-38-0 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,
Cas:78110-38-0
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:78110-38-0
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
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 h
Cas:78110-38-0
Min.Order:1 Kilogram
Negotiable
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
Main Service 1.Own made fine chemical products 2.Out sourcing and quality controlling service in China 3. COM for Chemical synthesis 4.Lab custom synthesis of API and intermadiates Quality Assurance 1. NMR,HPLC and COA can be suppli
Our Services 1. New Molecules R&D 2. Own test center HPLC NMR GC LC-MS 3. API and Intermediates from China reputed manufacturers 4. Documents support COA MOA MSDS DMF open part Our advantages 1. Government awarded company. Top 100 enter
Our 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:78110-38-0
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
inquiryHubei Yuanmeng Biological Technology Co., Ltd., which is located in Wuhan, China. We are specializing in the exportation of APIs, and plant extracts ect. Our products has been exported to America, Australia, Brazil, the Europe, Middle East and other
Cas:78110-38-0
Min.Order:1 Kilogram
FOB Price: $3.0 / 5.0
Type:Trading Company
inquiryOur company provides one-stop services of research - development - production for a variety of special prouducts. Not only do we make effective use of our strong technological strength, but also establish of cooperative relations with several well-
Cas:78110-38-0
Min.Order:1 Gram
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
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
(3S-trans)-3-Amino-4-methyl-2-oxo-1-azetidinesulfonic acid
(Z)-2-<<<1-(2-amino-4-thiazolyl)-2-<(2-benzothiazolyl)thio>-2-oxoethylidene>amino>oxy>-2-methyl propanoic acid 1,1-dimethylethyl ester
azthreonam
Conditions | Yield |
---|---|
Stage #1: (3S-trans)-3-Amino-4-methyl-2-oxo-1-azetidinesulfonic acid; (Z)-2-<<<1-(2-amino-4-thiazolyl)-2-<(2-benzothiazolyl)thio>-2-oxoethylidene>amino>oxy>-2-methyl propanoic acid 1,1-dimethylethyl ester With pyridine In acetonitrile at -5℃; for 4h; Stage #2: With nitric acid at 35℃; for 2h; pH=1; Solvent; Reagent/catalyst; Temperature; | 86.9% |
(Z)-2-[[[1-(2-amino-4-thiazolyl)-2-(3-oxido-1H-benzotriazol-1-yl)-2-oxoethylidene]amino]oxy]-2-methylpropanoic acid methanesulfonate (1:1) salt
(3S-trans)-3-Amino-4-methyl-2-oxo-1-azetidinesulfonic acid
azthreonam
Conditions | Yield |
---|---|
Stage #1: (Z)-2-[[[1-(2-amino-4-thiazolyl)-2-(3-oxido-1H-benzotriazol-1-yl)-2-oxoethylidene]amino]oxy]-2-methylpropanoic acid methanesulfonate (1:1) salt; (3S-trans)-3-Amino-4-methyl-2-oxo-1-azetidinesulfonic acid With triethylamine In ethanol; water at -6 - -3℃; for 3h; Stage #2: With hydrogenchloride In ethanol; water at -3 - 0℃; | 81% |
[3S-[3α(Z),4β]]-3-[[(2-amino-4-thiazolyl)[(1-t-butoxycarbonyl-1-methylethoxy)imino]acetyl]amino]-4-methyl-2-oxo-1-azetidinesulfonic acid
azthreonam
Conditions | Yield |
---|---|
With hydrogenchloride; water at 0 - 65℃; for 4.75h; | 72% |
With water; trifluoroacetic acid at 0 - 63℃; for 1 - 21.75h; | 63% |
With hydrogenchloride In water at 60℃; for 5h; |
3-<<(2-amino-4-thiazolyl)-<<1-(diphenylmethoxycarbonyl)-1-methyl ethoxy>-imino>-acetyl>-amino>-4-methyl-2-oxoazetidi-ne-1-sulfonic acid
azthreonam
Conditions | Yield |
---|---|
With methoxybenzene; trifluoroacetic acid In dichloromethane |
azthreonam
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: H2O 2: trifluoroacetic acid, anisole / CH2Cl2 View Scheme |
Conditions | Yield |
---|---|
In water; N,N-dimethyl-formamide; acetonitrile |
azthreonam
Conditions | Yield |
---|---|
With hydrogenchloride In methanol; water | |
With hydrogenchloride In methanol; water |
water
3-<<(2-amino-4-thiazolyl)-<<1-(diphenylmethoxycarbonyl)-1-methyl ethoxy>-imino>-acetyl>-amino>-4-methyl-2-oxoazetidi-ne-1-sulfonic acid
azthreonam
Conditions | Yield |
---|---|
With trifluoroacetic acid In acetone-denatured alcohol; ethanol; dichloromethane; methoxybenzene |
(Z)-2-Amino-α-[[2-(diphenylmethoxy)-1,1-dimethyl-2-oxoethoxy]-imino]-4-thiazoleacetic acid
azthreonam
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: dicyclohexyl-carbodiimide / N,N-dimethyl-formamide / 2 h / 30 °C 2.1: methoxybenzene / dichloromethane / 1 h / 0 - 3 °C 3.1: triethylamine / water; methanol / 0 °C / pH 8 - 8.5 3.2: 10 °C / pH 1.3 View Scheme | |
Multi-step reaction with 3 steps 1.1: benzotriazol-1-ol; dicyclohexyl-carbodiimide / acetonitrile / 3 h / 20 - 24 °C 1.2: 15 h / 20 °C 2.1: methanesulfonic acid; methoxybenzene / dichloromethane / 5 h / 0 °C 3.1: triethylamine / ethanol; water / 3 h / -6 - -3 °C 3.2: -3 - 0 °C View Scheme |
(Z)-2-[[[1-(2-amino-4-thiazolyl)-2-(3-oxido-1H-benzotriazol-1-yl)-2-oxoethylidene]amino]oxy]-2-methylpropanoic acid diphenylmethyl ester methanesulfonate (1:1) salt
azthreonam
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: methanesulfonic acid; methoxybenzene / dichloromethane / 5 h / 0 °C 2.1: triethylamine / ethanol; water / 3 h / -6 - -3 °C 2.2: -3 - 0 °C View Scheme |
azthreonam
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: methoxybenzene / dichloromethane / 1 h / 0 - 3 °C 2.1: triethylamine / water; methanol / 0 °C / pH 8 - 8.5 2.2: 10 °C / pH 1.3 View Scheme |
2-amino-4-[(1-carboxy-1-methyl-ethoxyimino)-(2,5-dioxo-pyrrolidin-1-yloxycarbonyl)-methyl]-thiazol-3-ium methanesulfonate
(3S-trans)-3-Amino-4-methyl-2-oxo-1-azetidinesulfonic acid
azthreonam
Conditions | Yield |
---|---|
Stage #1: 2-amino-4-[(1-carboxy-1-methyl-ethoxyimino)-(2,5-dioxo-pyrrolidin-1-yloxycarbonyl)-methyl]-thiazol-3-ium methanesulfonate; (3S-trans)-3-Amino-4-methyl-2-oxo-1-azetidinesulfonic acid With triethylamine In methanol; water at 0℃; pH=8 - 8.5; Stage #2: With hydrogenchloride In methanol; water at 10℃; pH=1.3; | 174.2 g |
azthreonam
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: triethylamine / N,N-dimethyl-formamide; ethyl acetate / 0.02 h / 10 °C 1.2: 10 °C 2.1: triethylamine / water; methanol / 0 °C / pH 8 - 8.5 2.2: 10 °C / pH 1.3 View Scheme |
azthreonam
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: N,N-dimethyl-formamide / 0.25 h / 50 °C 1.2: 3 h / -5 - 5 °C 2.1: triethylamine / N,N-dimethyl-formamide; ethyl acetate / 0.02 h / 10 °C 2.2: 10 °C 3.1: triethylamine / water; methanol / 0 °C / pH 8 - 8.5 3.2: 10 °C / pH 1.3 View Scheme |
azthreonam
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / dichloromethane / 0.17 h / 0 °C 2.1: dichloromethane / 20 °C 2.2: 0.5 h 3.1: carboxylesterase 1 (CES1) / acetonitrile / 0.5 h / 37 °C / pH 4.7 / Enzymatic reaction View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / dichloromethane / 0.17 h / 0 °C 2.1: dichloromethane / 20 °C 2.2: 0.5 h 3.1: sodium dihydrogenphosphate / water-d2; [D3]acetonitrile / 1.17 h / 37 °C / Enzymatic reaction View Scheme |
azthreonam
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / dichloromethane / 0.17 h / 0 °C 2.1: dichloromethane / 20 °C 2.2: 0.5 h 3.1: carboxylesterase 1 (CES1) / acetonitrile / 0.03 h / 37 °C / pH 4.7 / Enzymatic reaction View Scheme |
azthreonam
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / dichloromethane / 0.17 h / 0 °C 2.1: dichloromethane / 20 °C 2.2: 0.5 h 3.1: carboxylesterase 1 (CES1) / acetonitrile / 0.33 h / 37 °C / pH 4.7 / Enzymatic reaction View Scheme |
A
γ,γ-dimethyl-δ-valerolactone
B
5-hydroxy-4,4-dimethylpentanoic acid
C
azthreonam
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / dichloromethane / 0.17 h / 0 °C 2.1: dichloromethane / 20 °C 2.2: 0.5 h 3.1: sodium dihydrogenphosphate / water-d2; [D3]acetonitrile / 19 h / 37 °C / Enzymatic reaction View Scheme |
(Z)-2-(2-aminothiazol-4-yl)-2-(1-tert-butoxycarbonyl-1-methylethoxy)iminoacetic acid
azthreonam
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / dichloromethane / 0.17 h / 0 °C 2.1: dichloromethane / 20 °C 2.2: 0.5 h 3.1: carboxylesterase 1 (CES1) / acetonitrile / 0.5 h / 37 °C / pH 4.7 / Enzymatic reaction View Scheme |
azthreonam
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: dichloromethane / 20 °C 1.2: 0.5 h 2.1: carboxylesterase 1 (CES1) / acetonitrile / 0.5 h / 37 °C / pH 4.7 / Enzymatic reaction View Scheme |
azthreonam
Conditions | Yield |
---|---|
With carboxylesterase 1 (CES1) In acetonitrile at 37℃; for 0.5h; pH=4.7; Enzymatic reaction; | 28 %Chromat. |
azthreonam
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: dichloromethane / 20 °C 1.2: 0.5 h 2.1: carboxylesterase 1 (CES1) / acetonitrile / 0.03 h / 37 °C / pH 4.7 / Enzymatic reaction View Scheme | |
Multi-step reaction with 2 steps 1.1: dichloromethane / 20 °C 1.2: 0.5 h 2.1: sodium dihydrogenphosphate / water-d2; [D3]acetonitrile / 1.17 h / 37 °C / Enzymatic reaction View Scheme |
Conditions | Yield |
---|---|
With sodium dihydrogenphosphate In [D3]acetonitrile; water-d2 at 37℃; for 1.16667h; Mechanism; Enzymatic reaction; |
azthreonam
Conditions | Yield |
---|---|
With carboxylesterase 1 (CES1) In acetonitrile at 37℃; for 0.0333333h; pH=4.7; Enzymatic reaction; | > 95 %Chromat. |
azthreonam
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: dichloromethane / 20 °C 1.2: 0.5 h 2.1: carboxylesterase 1 (CES1) / acetonitrile / 0.33 h / 37 °C / pH 4.7 / Enzymatic reaction View Scheme |
A
γ,γ-dimethyl-δ-valerolactone
B
5-hydroxy-4,4-dimethylpentanoic acid
C
azthreonam
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: dichloromethane / 20 °C 1.2: 0.5 h 2.1: sodium dihydrogenphosphate / water-d2; [D3]acetonitrile / 19 h / 37 °C / Enzymatic reaction View Scheme |
azthreonam
Conditions | Yield |
---|---|
With carboxylesterase 1 (CES1) In acetonitrile at 37℃; for 0.333333h; pH=4.7; Enzymatic reaction; | 90 %Chromat. |
A
γ,γ-dimethyl-δ-valerolactone
B
5-hydroxy-4,4-dimethylpentanoic acid
C
azthreonam
Conditions | Yield |
---|---|
With sodium dihydrogenphosphate In [D3]acetonitrile; water-d2 at 37℃; for 19h; Mechanism; Enzymatic reaction; |
Conditions | Yield |
---|---|
In water at 0 - 5℃; Conversion of starting material; | 77% |
In water at 0 - 5℃; Conversion of starting material; | 62% |
In water for 0.1h; pH=4.34; Cooling with ice; | 56% |
In water at 0 - 5℃; Conversion of starting material; |
Conditions | Yield |
---|---|
With 4-pyrrolidin-1-ylpyridine; triethylamine; diisopropyl-carbodiimide at 0 - 32℃; for 48h; Reagent/catalyst; | 71.6% |
azthreonam
Conditions | Yield |
---|---|
With citrate buffer at 35℃; Rate constant; other aqueous buffer; | |
With Zn2+-Tris In water at 35℃; Rate constant; other metal ions; |
azthreonam
Conditions | Yield |
---|---|
With phosphoric acid In water at 35℃; Rate constant; various pH; |
azthreonam
Conditions | Yield |
---|---|
With water at 59.85℃; Kinetics; Thermodynamic data; Further Variations:; Temperatures; |
azthreonam
Conditions | Yield |
---|---|
In N-methyl-acetamide |
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