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:6981-18-6
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryUnique advantages of Ormetoprim Cas 6981-18-6 Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:White powder Storage:Cool dry place Package:25kg/drum Application:as m
Cas:6981-18-6
Min.Order:0 Metric Ton
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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:6981-18-6
Min.Order:1 Gram
FOB Price: $0.1
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
Hebei yanxi chemical co., LTD is a professional research, development and production . enterprise backbone members by local well-known entrepreneurs and professional senior engineers in the party's "low carbon environmental protection
5-(4,5-dimethoxy-2-methylbenzyl)-2,4-diaminopyrimidine Basic information Product Name: 5-(4,5-dimethoxy-2-methylbenzyl)-2,4-diaminopyrimidine Synonyms: ORMETHOPRIM;ORMETOPRIM;ORMETOPRIN;OMP;5-(4,5-dimethoxy-2-methylbenzyl)-2,4-diaminopyrimidine
Our company was built in 2009 with an ISO certificate.In the past 6 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:6981-18-6
Min.Order:1 Kilogram
FOB Price: $1000.0
Type:Lab/Research institutions
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:6981-18-6
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
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:6981-18-6
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
Cas:6981-18-6
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryAppearance:off-white to white solid Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used for Synthesis API and Research Transportation:As customer request Port:Qingda
Cas:6981-18-6
Min.Order:1 Kilogram
FOB Price: $16.0 / 20.0
Type:Lab/Research institutions
inquiryOur 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
Hubei 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:6981-18-6
Min.Order:1 Kilogram
FOB Price: $3.0 / 5.0
Type:Trading Company
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
Packing: According to customer requirements Delivery time: In stock or depands Port of shipment: Ningbo/Shanghai/Qingdao OEM/ODM:Welcome Sample:We can offer our existing samples at once Transportation:Express/Sea/Air Port:Ningbo/Shanghai/Qingd
Cas:6981-18-6
Min.Order:0
Negotiable
Type:Trading Company
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
Cas:6981-18-6
Min.Order:10 Gram
Negotiable
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
Cas:6981-18-6
Min.Order:0
Negotiable
Type:Trading Company
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,
Cas:6981-18-6
Min.Order:1 Milligram
Negotiable
Type:Trading Company
inquiryfactory?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
Shandong 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
Appearance: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
Cas:6981-18-6
Min.Order:1 Kilogram
Negotiable
Type:Other
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
Superior quality, moderate price & quick delivery. Appearance:NA Storage:Sealed in a cool ,dry and microtherm place , avoid light . Package: 1g/bag, 5g/bag, 10g/bag, 100g/bag, 1kg/bag or as per your request Application:It is an important raw m
Cas:6981-18-6
Min.Order:100 Gram
Negotiable
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:6981-18-6
Min.Order:0
Negotiable
Type:Trading Company
inquiryhigh purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou
R & D enterprises have their own stock in stockAppearance:To be subject to the object Package:Customized Application:pharmaceutical intermediates Transportation:Air Port:Shanghai;Guangzhou
Cas:6981-18-6
Min.Order:0
Negotiable
Type:Manufacturers
inquiryhigh purity,in stock Package:25kg/drum,or as per customers'demand Application:API,or Intermediates,fine chemicals Transportation:air,sea,courier
high quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea
Cas:6981-18-6
Min.Order:0
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Type:Manufacturers
inquiryConditions | Yield |
---|---|
Stage #1: C14H17NO3 With sodium methylate In N,N-dimethyl-formamide at 110℃; Stage #2: guanidine carbonate In N,N-dimethyl-formamide at 130℃; Temperature; | 90% |
1,2-dimethoxy-4-methylbenzene
2,4-diamino-5-methoxymethylpyrimidine
ormetoprim
Conditions | Yield |
---|---|
With hydrogenchloride In methanol for 7.5h; Ambient temperature; | 62% |
With potassium hydroxide; phosphoric acid In water | 104 % |
2-(methoxymethylene)-3-methoxypropanenitrile
1,2-dimethoxy-4-methylbenzene
guanidine hydrochloride
ormetoprim
Conditions | Yield |
---|---|
Yield given. Multistep reaction; |
4,5-dimethoxy-2-methyl-2'-(methoxymethyl)cinnamonitrile
sodium methylate
diguanidine carbonate
ormetoprim
Conditions | Yield |
---|---|
1) DMSO, MeOH, 85 deg C, 3.5 h, 2) DMSO, a) 125 deg C, 1.25 h, b) 115 deg C, 1.5; Yield given. Multistep reaction; |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 2: 85.6 percent / methanol / 18 h / Ambient temperature 3: 1) DMSO, MeOH, 85 deg C, 3.5 h, 2) DMSO, a) 125 deg C, 1.25 h, b) 115 deg C, 1.5 View Scheme | |
Multi-step reaction with 3 steps 1.1: trichlorophosphate / 0.5 h / Cooling with ice 1.2: 90 °C 2.1: methanol / 50 °C 3.1: sodium methylate / N,N-dimethyl-formamide / 110 °C 3.2: 130 °C View Scheme | |
Multi-step reaction with 4 steps 1: acetic acid; hydrogenchloride / water / 8 h / 100 °C 2: trichlorophosphate / 4 h / 120 °C 3: N,N-dimethyl-formamide / 12 h / 190 - 200 °C 4: hydrazine hydrate / methanol / 3.5 h / Reflux View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 85.6 percent / methanol / 18 h / Ambient temperature 2: 1) DMSO, MeOH, 85 deg C, 3.5 h, 2) DMSO, a) 125 deg C, 1.25 h, b) 115 deg C, 1.5 View Scheme |
2-bromo-4-methylanisole
ormetoprim
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: CuCl / dimethylformamide; methanol / 4.5 h / Heating View Scheme | |
Multi-step reaction with 2 steps 1: CuCl / dimethylformamide; methanol / 4.5 h / Heating 2: 62 percent / conc. HCl / methanol / 7.5 h / Ambient temperature View Scheme | |
Multi-step reaction with 4 steps 1: CuCl / dimethylformamide; methanol / 4.5 h / Heating 3: 85.6 percent / methanol / 18 h / Ambient temperature 4: 1) DMSO, MeOH, 85 deg C, 3.5 h, 2) DMSO, a) 125 deg C, 1.25 h, b) 115 deg C, 1.5 View Scheme | |
Multi-step reaction with 4 steps 1.1: copper(l) chloride / methanol / Reflux 2.1: trichlorophosphate / 0.5 h / Cooling with ice 2.2: 90 °C 3.1: methanol / 50 °C 4.1: sodium methylate / N,N-dimethyl-formamide / 110 °C 4.2: 130 °C View Scheme |
chloroform
2-(methoxymethylene)-3-methoxypropanenitrile
1,2-dimethoxy-4-methylbenzene
guanidine hydrochloride
ormetoprim
Conditions | Yield |
---|---|
With trifluoroborane diethyl ether In N-methyl-acetamide; methanol; (2S)-N-methyl-1-phenylpropan-2-amine hydrate; ethyl acetate |
guanidine carbonate
4,5-dimethoxy-2-methyl-2'-(methoxymethyl)cinnamonitrile
ormetoprim
Conditions | Yield |
---|---|
With sodium methylate In dimethyl sulfoxide at 85 - 125℃; for 6.5h; |
ormetoprim
Conditions | Yield |
---|---|
With triethylsilane; trifluoroacetic acid In dichloromethane |
4,5-dimethoxy-2-methyl-2'-(methoxymethyl)cinnamonitrile
guanidine hydrogen carbonate
ormetoprim
Conditions | Yield |
---|---|
Stage #1: 4,5-dimethoxy-2-methyl-2'-(methoxymethyl)cinnamonitrile With sodium methylate In dimethyl sulfoxide at 85℃; for 3.5h; Stage #2: guanidine hydrogen carbonate In dimethyl sulfoxide at 125℃; for 3h; |
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1.1: nitric acid; potassium bromide; acetic anhydride / 50 °C / Cooling with ice 2.1: copper(l) chloride / methanol / Reflux 3.1: trichlorophosphate / 0.5 h / Cooling with ice 3.2: 90 °C 4.1: methanol / 50 °C 5.1: sodium methylate / N,N-dimethyl-formamide / 110 °C 5.2: 130 °C View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 6 steps 1.1: tetrabutylammomium bromide; potassium carbonate / Reflux 2.1: nitric acid; potassium bromide; acetic anhydride / 50 °C / Cooling with ice 3.1: copper(l) chloride / methanol / Reflux 4.1: trichlorophosphate / 0.5 h / Cooling with ice 4.2: 90 °C 5.1: methanol / 50 °C 6.1: sodium methylate / N,N-dimethyl-formamide / 110 °C 6.2: 130 °C View Scheme | |
Multi-step reaction with 8 steps 1.1: 4 h / 146 °C 2.1: aluminum (III) chloride / 1 h / 110 - 165 °C 2.2: 1 h / 80 - 90 °C 3.1: sodium hydroxide; dihydrogen peroxide / water; 1,4-dioxane / 3 h / 0 - 10 °C / Inert atmosphere 4.1: sodium hydroxide / water; toluene / 0.03 h / 30 °C 4.2: 1.5 h 5.1: acetic acid; hydrogenchloride / water / 8 h / 100 °C 6.1: trichlorophosphate / 4 h / 120 °C 7.1: N,N-dimethyl-formamide / 12 h / 190 - 200 °C 8.1: hydrazine hydrate / methanol / 3.5 h / Reflux View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1.1: sodium hydroxide / water; toluene / 0.03 h / 30 °C 1.2: 1.5 h 2.1: acetic acid; hydrogenchloride / water / 8 h / 100 °C 3.1: trichlorophosphate / 4 h / 120 °C 4.1: N,N-dimethyl-formamide / 12 h / 190 - 200 °C 5.1: hydrazine hydrate / methanol / 3.5 h / Reflux View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: acetic acid; hydrogenchloride / water / 8 h / 100 °C 2: trichlorophosphate / 4 h / 120 °C 3: N,N-dimethyl-formamide / 12 h / 190 - 200 °C 4: hydrazine hydrate / methanol / 3.5 h / Reflux View Scheme |
ormetoprim
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: trichlorophosphate / 4 h / 120 °C 2: N,N-dimethyl-formamide / 12 h / 190 - 200 °C 3: hydrazine hydrate / methanol / 3.5 h / Reflux View Scheme |
ormetoprim
Conditions | Yield |
---|---|
With hydrazine hydrate In methanol for 3.5h; Reflux; | 1.06 g |
Conditions | Yield |
---|---|
Multi-step reaction with 7 steps 1.1: aluminum (III) chloride / 1 h / 110 - 165 °C 1.2: 1 h / 80 - 90 °C 2.1: sodium hydroxide; dihydrogen peroxide / water; 1,4-dioxane / 3 h / 0 - 10 °C / Inert atmosphere 3.1: sodium hydroxide / water; toluene / 0.03 h / 30 °C 3.2: 1.5 h 4.1: acetic acid; hydrogenchloride / water / 8 h / 100 °C 5.1: trichlorophosphate / 4 h / 120 °C 6.1: N,N-dimethyl-formamide / 12 h / 190 - 200 °C 7.1: hydrazine hydrate / methanol / 3.5 h / Reflux View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 6 steps 1.1: sodium hydroxide; dihydrogen peroxide / water; 1,4-dioxane / 3 h / 0 - 10 °C / Inert atmosphere 2.1: sodium hydroxide / water; toluene / 0.03 h / 30 °C 2.2: 1.5 h 3.1: acetic acid; hydrogenchloride / water / 8 h / 100 °C 4.1: trichlorophosphate / 4 h / 120 °C 5.1: N,N-dimethyl-formamide / 12 h / 190 - 200 °C 6.1: hydrazine hydrate / methanol / 3.5 h / Reflux View Scheme |
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