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:696-23-1
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryItems Standard Result Assay (Ursolic acid) 98%min 98.22% ----------------------------------------------------------------
Cas:696-23-1
Min.Order:1 Gram
FOB Price: $100.0 / 500.0
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
2-Methyl-4-nitroimidazole Basic information Product Name: 2-Methyl-4-nitroimidazole Synonyms: 2-METHYL-4-NITRO-1 H-IMIDAZOLE;2-METHYL-4(5)-NITROIMIDAZOLE;2-methyl-4-nitro-1h-imidazol;2-m
Cas:696-23-1
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryOur Advantage Rich Experience Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term. Quality service Company cooperates with research institutes. We strictly con
Cas:696-23-1
Min.Order:1 Kilogram
FOB Price: $15.0 / 50.0
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:696-23-1
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
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:696-23-1
Min.Order:1 Gram
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
1,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 highly qualifie
Cas:696-23-1
Min.Order:1 Kilogram
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
Cas:696-23-1
Min.Order:1 Gram
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
Cas:696-23-1
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquirySuperior quality, moderate price & quick delivery. Appearance:White or light yellow powder Storage:Dry place in sealed container Package:25kg/drum, or as per your request. Application:For medicine , pesticide intermediates Transportation:as per
Cangzhou Enke Pharma Tech Co.,ltd. is located in Cangzhou City, Hebei province ,where is a famous petroleum chemical industry city in China. Enke Pharma a high-tech enterprise ,and we are dedicated to developing and manufacturing new api, in
Cas:696-23-1
Min.Order:1 Kilogram
FOB Price: $300.0 / 400.0
Type:Lab/Research institutions
inquiryWe Huarong Pharm can provide Customized Synthesis & Process R&D & APIs and intermediates Production & Quality Research & Registration Application, especially our GMP validation service which complies with SFDA, FDA, WHO and EU EMPA. O
Stock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Cas:696-23-1
Min.Order:0
Negotiable
Type:Lab/Research institutions
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
Cas:696-23-1
Min.Order:0
Negotiable
Type:Lab/Research institutions
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
Q1: Are you a manufacturer Answer: Yes, we are factory founded on 2012.Q2: How to contact with us Click "contact supplier" And then send us message the product you interest in, you will get reply within 12 hours.Q3:Which kind of payment terms do you
Acmec is a leading manufacturer and supplier of biochemical reagents and life science products. We have over 40,000 items in stock (real-time inventory) and offer discounted prices to registered members of the online store ( www.acmec.com.cn ) Appea
Cas:696-23-1
Min.Order:1 bottle
Negotiable
Type:Lab/Research institutions
inquiryhigh 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
Hunan chemfish Pharmaceutical co.,Ltd.located in Lugu High-tech industral park ,Hunan province . with its own R&D center and more than 10000㎡manufacture plant . Chemfish owns 40 reactors from 1000L to 8000L. With complete auxiliary equipment as
1.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
Cas:696-23-1
Min.Order:0
Negotiable
Type:Other
inquiryAnsciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali
Cas:696-23-1
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryBest quality with low priceAppearance:solid Storage:ln stock Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Shanghai
Cas:696-23-1
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryAppearance:solid or liquid Storage:sealed in cool and dry place Package:As customer's requested Application:Pharma Intermediate Transportation:by courier/air/sea Port:Any port in China
Cas:696-23-1
Min.Order:0
Negotiable
Type:Trading Company
inquiryWe are committed to providing our customers with the best products and services at the most competitive prices.Appearance:white to light yellow crystal powder Storage:Room temperature with sealed well Package:according to the clients requirement Appl
2-Methyl-4-nitroimidazole cas 696-23-1Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Cas:696-23-1
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry1. Timely and efficient service to ensure communication with customers2. Produce products of different specifications and sizes according to your requirements.3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures sta
Cas:696-23-1
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryConditions | Yield |
---|---|
With sulfuric acid; nitric acid; sodium sulfate at 80℃; for 0.0363889h; Temperature; Microwave irradiation; | 90.5% |
With sulfuric acid; nitric acid In diethyl ether at 0 - 140℃; | 39% |
With sulfuric acid; nitric acid | |
With sulfuric acid; nitric acid; sodium sulfate In water at 130 - 132℃; for 4h; | |
With sulfuric acid; nitric acid; sodium sulfate at 150℃; for 2h; | 3.8 g |
2-methylimidazole
A
2-methyl-5-nitro-1H-imidazole
B
2-(dinitromethylene)-5,5-dinitro-4-imidazolidinone
Conditions | Yield |
---|---|
With sulfuric acid; nitric acid for 3h; Nitration; |
Conditions | Yield |
---|---|
With sulfuric acid; nitric acid Nitration; | A 0.5 g B 4.5 g |
A
2-methyl-5-nitro-1H-imidazole
B
dimethyl 2,6-dimethylpyridine-3,5-dicarboxylate
Conditions | Yield |
---|---|
With ammonium cerium(IV) nitrate Product distribution; Decomposition; |
2-methylimidazole
A
2-methyl-5-nitro-1H-imidazole
B
2-methyl-4-nitro-1H-imidazole
Conditions | Yield |
---|---|
With sulfuric acid; nitric acid In water at 130 - 132℃; for 4h; |
metronidazole
A
2-methyl-5-nitro-1H-imidazole
B
2-(5-amino-2-methyl-1H-imidazol-1-yl)ethan-1-ol
C
N-(2'-hydroxyethyl)-2-methylimidazole
Conditions | Yield |
---|---|
With sodium tetrahydroborate; iron at 25℃; pH=7; |
4-iodo-2-methyl-5-nitro-1H-imidazole
2-methyl-5-nitro-1H-imidazole
Conditions | Yield |
---|---|
With palladium 10% on activated carbon; hydrogen In methanol at 25℃; under 50 Torr; for 0.333333h; Pressure; | 89 %Chromat. |
4-bromo-2-methyl-5-nitroimidazole
2-methyl-5-nitro-1H-imidazole
Conditions | Yield |
---|---|
With palladium 10% on activated carbon; hydrogen In methanol at 25℃; under 100 Torr; for 0.5h; Pressure; | 47 %Chromat. |
2-methyl-5-nitro-1H-imidazole
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 60℃; for 12h; | 99.9% |
2-methyl-5-nitro-1H-imidazole
methanesulfonic acid 7-[tert-butoxycarbonyl-(2-tert-butoxycarbonylamino-ethyl)-amino]-6-{[tert-butoxycarbonyl-(2-tert-butoxycarbonylamino-ethyl)-amino]-methyl}-heptyl ester
(2-tert-butoxycarbonylamino-ethyl)-[2-{[tert-butoxycarbonyl-(2-tert-butoxycarbonylamino-ethyl)-amino]-methyl}-7-(2-methyl-4-nitro-imidazol-1-yl)-heptyl]-carbamic acid tert-butyl ester
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide | 98% |
Conditions | Yield |
---|---|
Stage #1: 2-methyl-5-nitro-1H-imidazole With potassium carbonate In acetonitrile at 50℃; for 0.5h; Stage #2: bromoacetic acid tert-butyl ester In acetonitrile Reflux; | 95.6% |
Stage #1: 2-methyl-5-nitro-1H-imidazole With potassium carbonate In acetonitrile at 50℃; for 0.5h; Stage #2: bromoacetic acid tert-butyl ester In acetonitrile Reflux; |
2-methyl-5-nitro-1H-imidazole
acrylic acid methyl ester
methyl 3-(2-methyl-5-nitro-1H-imidazol-1-yl)propanoate
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; for 168h; Michael Addition; Inert atmosphere; | 95.6% |
With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; for 168h; Inert atmosphere; | 95.6% |
Conditions | Yield |
---|---|
for 50h; Heating; | 95% |
Conditions | Yield |
---|---|
With potassium phosphate In N,N-dimethyl-formamide at 20℃; for 10h; aza-Markovnikov addition; | 95% |
2-methyl-5-nitro-1H-imidazole
Conditions | Yield |
---|---|
Stage #1: 2-methyl-5-nitro-1H-imidazole With potassium carbonate In acetonitrile Heating; Stage #2: 2-phenyl-3-((3-bromopropoxy)methyl)-imidazo[2,1-b] benzothiazole In acetonitrile Heating; | 94.6% |
2-methyl-5-nitro-1H-imidazole
Conditions | Yield |
---|---|
Stage #1: 2-methyl-5-nitro-1H-imidazole With potassium carbonate In acetonitrile at 60℃; for 1h; Stage #2: 2-phenyl-3-((3-bromopropoxy)methyl)-imidazo[2,1-b] benzothiazole In acetonitrile at 60℃; | 94.2% |
Conditions | Yield |
---|---|
With potassium phosphate In N,N-dimethyl-formamide at 20℃; for 30h; aza-Markovnikov addition; | 94% |
3-chloropropiophenone
2-methyl-5-nitro-1H-imidazole
3-(2-methyl-5-nitro-1H-imidazol-1-yl)-1-phenylpropan-1-one
Conditions | Yield |
---|---|
With triethylamine In toluene at 20℃; Reflux; | 94% |
Conditions | Yield |
---|---|
With potassium phosphate In N,N-dimethyl-formamide at 50℃; for 30h; aza-Markovnikov addition; | 93% |
2-methyl-5-nitro-1H-imidazole
4-bromo-2-methyl-5-nitroimidazole
Conditions | Yield |
---|---|
With bromine; sodium carbonate In N,N-dimethyl-formamide at 70℃; for 2h; | 93% |
With bromine In N,N-dimethyl-formamide at 40℃; for 4h; Cooling with ice; | 75% |
2-methyl-5-nitro-1H-imidazole
1-phenyl-2-bromoethane
2-methyl-4-nitro-1-phenethyl-1H-imidazole
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 90℃; for 8h; Schlenk technique; Inert atmosphere; | 93% |
Conditions | Yield |
---|---|
Stage #1: 2-methyl-5-nitro-1H-imidazole With potassium carbonate In acetonitrile at 60℃; for 1h; Stage #2: C21H21BrN2O2S In acetonitrile at 60℃; | 93% |
2-methyl-5-nitro-1H-imidazole
methanesulfonic acid 6,6-bis-(2-tert-butoxycarbonylamino-ethylcarbamoyl)-hexyl ester
{2-[2-(2-tert-butoxycarbonylamino-ethylcarbamoyl)-7-(2-methyl-4-nitro-imidazol-1-yl)-heptanoylamino]-ethyl}-carbamic acid tert-butyl ester
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide | 92% |
Conditions | Yield |
---|---|
Stage #1: 2-methyl-5-nitro-1H-imidazole With potassium carbonate In acetonitrile at 60℃; for 1h; Stage #2: C21H21BrN2OS In acetonitrile at 60℃; | 92% |
Conditions | Yield |
---|---|
Stage #1: 2-methyl-5-nitro-1H-imidazole With potassium carbonate In acetonitrile at 60℃; for 1h; Stage #2: C23H25BrN2O2S In acetonitrile at 60℃; | 91% |
2-methyl-5-nitro-1H-imidazole
acrylonitrile
3-(2-methyl-4-nitro-1H-imidazol-1-yl)propanenitrile
Conditions | Yield |
---|---|
With potassium carbonate Reflux; | 90% |
With polystyrene-supported CuI-imidazole complex catalyst In N,N-dimethyl-formamide at 100℃; for 10h; Aza-Michael reaction; | 77% |
Conditions | Yield |
---|---|
With silica gel In neat (no solvent) at 100℃; for 4.5h; | 90% |
ethyl 1-(oxiran-2-ylmethyl)-4-oxo-7-(trifluoromethyl)-1,4-dihydroquinoline-3-carboxylate
2-methyl-5-nitro-1H-imidazole
Conditions | Yield |
---|---|
With potassium carbonate In ethanol at 60℃; for 1.5h; | 89.3% |
Conditions | Yield |
---|---|
With potassium carbonate In acetone at 70℃; for 5h; Reagent/catalyst; Temperature; | 89.1% |
2-methyl-5-nitro-1H-imidazole
propargyl bromide
A
N1-propargyl-2-methyl-4-nitroimidazole
B
2‐methyl‐5‐nitro‐1‐prop‐2‐ynyl‐1H‐imidazole
Conditions | Yield |
---|---|
With potassium carbonate In acetone; toluene at 20℃; Inert atmosphere; | A n/a B 89% |
2-methyl-5-nitro-1H-imidazole
phenoxyethyl bromide
2-methyl-4-nitro-1-(2-phenoxyethyl)-1H-imidazole
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 90℃; for 8h; Schlenk technique; Inert atmosphere; | 89% |
ethyl 6-methyl-1-(oxiran-2-ylmethyl)-4-oxo-1,4-dihydroquinoline-3-carboxylate
2-methyl-5-nitro-1H-imidazole
Conditions | Yield |
---|---|
With potassium carbonate In ethanol at 60℃; for 1.5h; | 88.4% |
(S)-epichlorohydrin
2-methyl-5-nitro-1H-imidazole
(S)-(-)-1-(3-chloro-2-hydroxypropyl)-2-methyl-5-nitroimidazole
Conditions | Yield |
---|---|
With aluminum (III) chloride In ethyl acetate at 3 - 5℃; | 88.2% |
With formic acid; sulfuric acid at 30 - 40℃; for 4.5h; Reagent/catalyst; Temperature; | 83.9% |
With formic acid; sulfuric acid at -5 - 15℃; for 2h; Reagent/catalyst; | 403 g |
With boron trifluoride In ethyl acetate at -10 - 15℃; for 5h; Darkness; Large scale; | 3.21 kg |
With boron trifluoride In ethyl acetate at -10 - 15℃; for 5h; Darkness; Large scale; | 3.21 kg |
Conditions | Yield |
---|---|
With formic acid; sulfuric acid at 80℃; for 12h; Temperature; | 88% |
With formic acid at 50 - 60℃; for 0.5h; Reagent/catalyst; Temperature; | 74.9% |
With phosphoric acid; acetic anhydride In water at 25 - 30℃; for 2.5h; Yield given; | |
With sulfuric acid; acetic acid at 90℃; for 0.5h; Concentration; Temperature; Cooling; | |
With formic acid; sulfuric acid Large scale; |
1-bromo-butane
2-methyl-5-nitro-1H-imidazole
1-butyl-2-methyl-4-nitro-1H-imidazole
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 90℃; for 8h; Schlenk technique; Inert atmosphere; | 88% |
Conditions | Yield |
---|---|
With formic acid for 4h; Reflux; | 87% |
Conditions | Yield |
---|---|
Stage #1: 2-methyl-5-nitro-1H-imidazole With potassium carbonate In acetonitrile at 60℃; for 1h; Stage #2: C26H31BrN2OS In acetonitrile at 60℃; | 87% |
About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia
Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog
©2008 LookChem.com,License: ICP
NO.:Zhejiang16009103
complaints:service@lookchem.com Desktop View