Appearance:Yellowish brown solid Storage:Dryness Factor (< 25℃) Package:1KG;10KG;100KG Application:pharmaceutical intermediates Transportation:By sea or by air Port:Shang hai
Cas:4521-33-9
Min.Order:1 Gram
Negotiable
Type:Trading Company
inquiryDayangChem exported this product to many countries and regions at best price. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product spe
Cas:4521-33-9
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryItems Standard Result Assay 98%min -----------------------------------------------------------------------------------------------
Cas:4521-33-9
Min.Order:1 Gram
FOB Price: $100.0 / 500.0
Type:Manufacturers
inquiryWe can provide GMP validation service that complies with SFDA, FDA, WHO and EU EMPA.Excellent registration team could help us easlily to register our products in different countries.If you and your customer are interested in some products or need CMO
Cas:4521-33-9
Min.Order:1 Gram
Negotiable
Type:Manufacturers
inquiryProduct description: Product name 5-Nitrothiophene-2-carboxaldehyde CAS number 4521-33-9 Assay ≥98% Appearance Off-white to yellow solid Capacity 200mt/year Application Pharm
Cas:4521-33-9
Min.Order:10 Gram
FOB Price: $12.0
Type:Lab/Research institutions
inquiry5-Nitrothiophene-2-carboxaldehyde CAS 4521-33-9 2-Thiophenecarboxaldehyde,5-nitro- CAS no 4521-33-9 5-Nitrothiophene-2-carboxaldehyde Manufacturer High quality Best price In stock factory CAS 4521-33-9 5-Nitrothiophene-2-carboxaldehyde COA TDS p
Cas:4521-33-9
Min.Order:5 Kiloliter
FOB Price: $3.5 / 5.0
Type:Manufacturers
inquiryOur company was built in 2009 with an ISO certificate.In the past 5 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.
Cas:4521-33-9
Min.Order:1 Kilogram
Negotiable
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:4521-33-9
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:4521-33-9
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry5-NITROTHIOPHENE-2-CARBOXALDEHYDE CAS: 4521-33-9 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
Cas:4521-33-9
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:4521-33-9
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures
Cas:4521-33-9
Min.Order:1 Kilogram
FOB Price: $80.0 / 100.0
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
Cas:4521-33-9
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryA substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc
Cas:4521-33-9
Min.Order:4 Kilogram
Negotiable
Type:Lab/Research institutions
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
Cas:4521-33-9
Min.Order:0 Metric Ton
Negotiable
Type:Other
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
Cas:4521-33-9
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryProduct Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,
Cas:4521-33-9
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiry5-NITROTHIOPHENE-2-CARBOXALDEHYDE Chemical Properties Melting point 75-77 °C (lit.) Boiling point 118-120 °C(Press: 3-4 Torr) density 1.534±0.06 g/cm3(Predicted) storage temp. Keep in dark place,Sealed in dry,Room Temp
Cas:4521-33-9
Min.Order:1 Gram
FOB Price: $66.0
Type:Lab/Research institutions
inquiryHunan 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
Cas:4521-33-9
Min.Order:0 Metric Ton
Negotiable
Type:Manufacturers
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
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
Cas:4521-33-9
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryLocated in Hangzhou National Hi-Tech Industrial Development Zone, zhongqichem is a technical company mainly focus on the Custom synthesis, manufacturing, sales of chemicals to various industries. Benefiting from the outstanding customer service and h
SAGECHEM is a chemical R&D, manufacturing and distribution company in China since 2009, including pharmaceutical intermediates, agrochemical, dyestuff intermediates, organosilicone, API and etc. We also offer a full range of services in custom synthe
Cas:4521-33-9
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryHigh quality,stable supply chain.Appearance:white/off-white or light yellow Storage:Store in cool and dry place, keep away from strong light and heat. Package:aluminum bottle,glass bottle,PTFE bottle,cardboard drum Application:This product can be use
Cas:4521-33-9
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryStock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Cas:4521-33-9
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
high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,or Intermediates,fine chemicals Transportation:air,sea,courier
Cas:4521-33-9
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryQ1: 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:4521-33-9
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
(5-nitrothiophen-2-yl)methanol
5-nitro-2-thiophenecarboxaldehyde
Conditions | Yield |
---|---|
With silica-supported Jones reagent In dichloromethane for 0.00269444h; | 99.8% |
5-nitrothiophene-2-carboxaldehyde diacetate
5-nitro-2-thiophenecarboxaldehyde
Conditions | Yield |
---|---|
With hydrogenchloride In methanol; water at 65℃; for 8h; | 80% |
With ethanol; sulfuric acid | |
With hydrogenchloride | |
With sulfuric acid |
2-(chloromethyl)-5-nitrothiophene
2-lithio-2-nitropropane
A
5-nitro-2-thiophenecarboxaldehyde
B
2-isopropylidenemethyl-5-nitrothiophene
Conditions | Yield |
---|---|
In methanol for 0.25h; Ambient temperature; Irradiation; | A n/a B 61% C 7% D 5% |
2-(chloromethyl)-5-nitrothiophene
A
5-nitro-2-thiophenecarboxaldehyde
B
2-isopropylidenemethyl-5-nitrothiophene
Conditions | Yield |
---|---|
With lithium 2-nitropropane In methanol for 0.25h; Ambient temperature; Irradiation; | A n/a B 61% C 7% D 5% |
thiophene-2-carbaldehyde
A
5-nitro-2-thiophenecarboxaldehyde
B
4-nitrothiophene-2-carbaldehyde
Conditions | Yield |
---|---|
With sulfuric acid; nitric acid at 0℃; for 0.5h; | A 13% B 46% |
With sulfuric acid; nitric acid at -10℃; for 0.0833333h; | A n/a B 40% |
With sulfuric acid; potassium nitrate at 0℃; for 0.5h; Inert atmosphere; Schlenk technique; | A n/a B 40% |
2-(1'-chloro-2',2'-dimethylpropyl)-5-nitrothiophene
A
5-nitro-2-thiophenecarboxaldehyde
B
2,2-dimethyl-1-(5'-nitro-2'-thienyl)-1-propanol
C
2,2-dimethyl-1-(5'-nitro-2'-thienyl)-propane-1-one
Conditions | Yield |
---|---|
With 2-lithio-2-nitropropane In dimethyl sulfoxide at 20℃; for 1.1h; | A 7% B 7% C 42% |
With 2-lithio-2-nitropropane In dimethyl sulfoxide at 20℃; for 1.1h; Mechanism; Irradiation; | A 7% B 5% C 42% |
(5'-nitro-2'-thienyl)methyl acetate
5-nitro-2-thiophenecarboxaldehyde
Conditions | Yield |
---|---|
With sodium thiophenolate In dimethyl sulfoxide for 0.2h; | 15% |
2-(chloromethyl)-5-nitrothiophene
5-nitro-2-thiophenecarboxaldehyde
Conditions | Yield |
---|---|
With sodium thiophenolate In dimethyl sulfoxide for 0.166667h; | 7% |
Conditions | Yield |
---|---|
With nitric acid; acetic anhydride at -14℃; Kinetics; Rate constant; Thermodynamic data; other temperatures, E, lg A, ΔH(excit.), ΔS(excit.); |
thiophene-2-carbaldehyde
sulfuric acid
nitric acid
A
5-nitro-2-thiophenecarboxaldehyde
B
4-nitrothiophene-2-carbaldehyde
thiophene-2-carbaldehyde
nitric acid
acetic anhydride
acetic acid
A
5-nitro-2-thiophenecarboxaldehyde
B
4-nitrothiophene-2-carbaldehyde
Conditions | Yield |
---|---|
anschl. Hydrolyse; |
thiophene-2-carbaldehyde
A
5-nitro-2-thiophenecarboxaldehyde
B
4-nitrothiophene-2-carbaldehyde
C
3-nitrothiophene-2-carbaldehyde
Conditions | Yield |
---|---|
With sulfuric acid; nitric acid at 0℃; Title compound not separated from byproducts; |
2,2-dimethyl-1-(2-thienyl)-1-propanone
5-nitro-2-thiophenecarboxaldehyde
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 3: 95 percent / SOCl2 / pyridine 4: 7 percent / 2-lithio-2-nitropropane / dimethylsulfoxide / 1.1 h / 20 °C / Irradiation View Scheme |
2,2-dimethyl-1-(5'-nitro-2'-thienyl)-1-propanol
5-nitro-2-thiophenecarboxaldehyde
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 95 percent / SOCl2 / pyridine 2: 7 percent / 2-lithio-2-nitropropane / dimethylsulfoxide / 1.1 h / 20 °C / Irradiation View Scheme |
2,2-dimethyl-1-(5'-nitro-2'-thienyl)-propane-1-one
5-nitro-2-thiophenecarboxaldehyde
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 2: 95 percent / SOCl2 / pyridine 3: 7 percent / 2-lithio-2-nitropropane / dimethylsulfoxide / 1.1 h / 20 °C / Irradiation View Scheme |
2-thiophenecarboxaldehyde diacetate
5-nitro-2-thiophenecarboxaldehyde
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: acetic acid anhydride; nitric acid; acetic acid 2: aqueous sulfuric acid View Scheme |
methanol
5-nitro-2-thiophenecarboxaldehyde
5-(dimethoxymethyl)-2-nitrothiophene
Conditions | Yield |
---|---|
With hydrogenchloride for 0.75h; Heating; | 100% |
5-nitro-2-thiophenecarboxaldehyde
trimethyl orthoformate
5-(dimethoxymethyl)-2-nitrothiophene
Conditions | Yield |
---|---|
With amberlyst-15 In acetonitrile for 1h; electroosmos; | 99.8% |
With amberlyst-15 In acetonitrile for 0.166667h; | 97.5% |
5-nitro-2-thiophenecarboxaldehyde
4-allyl-3-thiosemicarbazide
4-allyl-1-(5-nitrothenylidene)thiosemicarbazide
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In toluene at 20℃; | 99% |
Conditions | Yield |
---|---|
With bromine; sodium acetate; acetic acid | 98.5% |
With hydrogenchloride; bromine; sodium hydroxide In water | 98.2% |
With sodium hypobromide; sodium acetate; acetic acid | 92% |
5-nitro-2-thiophenecarboxaldehyde
thiosemicarbazide
2-((5-nitrothiophen-2-yl)methylene)hydrazinecarbothioamide
Conditions | Yield |
---|---|
In methanol for 3h; Reflux; | 98% |
In ethanol for 2h; Reflux; | 92% |
With acetic acid In methanol for 2h; Reflux; | 84.2% |
4-amino-1,2,4-triazole
5-nitro-2-thiophenecarboxaldehyde
(5-nitro-thiophen-2-ylmethylene)-[1,2,4]triazol-4-yl-amine
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In toluene Heating; | 98% |
In ethanol for 0.5h; heating on a steam bath; | 69% |
5-nitro-2-thiophenecarboxaldehyde
3-trifluoromethylaniline
N-(5-nitro-2-thienomethylidene)-3-trifluoromethylaniline
Conditions | Yield |
---|---|
In ethanol for 1h; Heating; | 98% |
5-nitro-2-thiophenecarboxaldehyde
furan-2-ylmethanamine
Furan-2-ylmethyl-[1-(5-nitro-thiophen-2-yl)-meth-(E)-ylidene]-amine
Conditions | Yield |
---|---|
Duolite A 101 D resin In 1,2-dimethoxyethane at -20 - 25℃; for 3h; | 98% |
5-nitro-2-thiophenecarboxaldehyde
1,3-diaminoguanidine hydrochloride
1,3-bis-((5-nitrothiophen-2-yl-methylidene)amino)guanidine hydrochloride
Conditions | Yield |
---|---|
In methanol for 5h; Reflux; | 98% |
Conditions | Yield |
---|---|
With hydroxylamine hydrochloride; potassium carbonate In water Reflux; | 98% |
With pyridine; hydroxylamine hydrochloride In ethanol for 24h; Reflux; | 85% |
With hydroxylamine hydrochloride; sodium carbonate In dimethyl sulfoxide at 20℃; | |
With hydroxylamine hydrochloride In methanol at 25℃; for 0.25h; |
Conditions | Yield |
---|---|
With copper(II)-Para-aminobenzoic acid complex supported on Fe3O4 Magnetic nanoparticle In ethanol for 1.55h; Aldol Condensation; Reflux; Green chemistry; | 98% |
5-nitro-2-thiophenecarboxaldehyde
(5-nitrothiophen-2-yl)methanol
Conditions | Yield |
---|---|
With sodium tetrahydroborate In ethanol for 5h; | 97.2% |
Stage #1: 5-nitro-2-thiophenecarboxaldehyde With sodium tris(acetoxy)borohydride In 1,2-dichloro-ethane at 0 - 20℃; for 20h; Inert atmosphere; Stage #2: With sodium tetrahydroborate In 1,2-dichloro-ethane at 20℃; for 0.5h; Inert atmosphere; | 96% |
With sodium tetrahydroborate In methanol at 0 - 20℃; Inert atmosphere; | 90% |
Hippuric Acid
5-nitro-2-thiophenecarboxaldehyde
4-[1-(5-Nitro-thiophen-2-yl)-meth-(Z)-ylidene]-2-phenyl-4H-oxazol-5-one
Conditions | Yield |
---|---|
With sodium acetate; acetic anhydride at 100℃; for 2h; | 97% |
5-nitro-2-thiophenecarboxaldehyde
4-chloro-aniline
N-(5-nitro-2-thienomethylidene)-4-chloroaniline
Conditions | Yield |
---|---|
In ethanol for 1h; Heating; | 97% |
5-nitro-2-thiophenecarboxaldehyde
3-amino-2-(4-chloro-2-ethylthio-5-methylbenzenesulphonyl)guanidine
Conditions | Yield |
---|---|
In ethanol for 4h; Heating; | 97% |
5-nitro-2-thiophenecarboxaldehyde
1,2-dichloro-ethane
methyl 5-nitrothiophene-2-carboxylate
Conditions | Yield |
---|---|
With iodine; sodium hydrogencarbonate In methanol; n-heptane | 96.5% |
Conditions | Yield |
---|---|
With copper(II)-Para-aminobenzoic acid complex supported on Fe3O4 Magnetic nanoparticle In ethanol for 1.56667h; Aldol Condensation; Reflux; Green chemistry; | 96% |
2-amino-5-ethyl-1,3,4-thiadiazole
5-nitro-2-thiophenecarboxaldehyde
phosphonic acid diethyl ester
Conditions | Yield |
---|---|
With phospho sulphonic acid In neat (no solvent) for 0.15h; Kabachnik-Fields Reaction; Microwave irradiation; Green chemistry; | 95.5% |
Conditions | Yield |
---|---|
acetic acid In ethanol for 4h; Heating / reflux; | 95% |
In ethanol; water Heating; | 86% |
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In toluene at 20℃; Inert atmosphere; | 95% |
5-nitro-2-thiophenecarboxaldehyde
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃; for 24h; Wittig Olefination; Inert atmosphere; | 95% |
5-nitro-2-thiophenecarboxaldehyde
adamantane-1-carbohydrazide
Conditions | Yield |
---|---|
In ethanol for 1h; Reflux; | 95% |
5-nitro-2-thiophenecarboxaldehyde
phenethylamine
[1-(5-Nitro-thiophen-2-yl)-meth-(E)-ylidene]-phenethyl-amine
Conditions | Yield |
---|---|
Duolite A 101 D resin In 1,2-dimethoxyethane at -20 - 25℃; for 3h; | 94% |
5-nitro-2-thiophenecarboxaldehyde
Conditions | Yield |
---|---|
In water at 20℃; for 1h; Wittig reaction; | 94% |
5-nitro-2-thiophenecarboxaldehyde
2,5-diamino-thiophene-3,4-dicarboxylic acid diethyl ester
Conditions | Yield |
---|---|
In toluene for 0.5h; Reflux; | 94% |
With trifluoroacetic acid In isopropyl alcohol for 0.5h; Heating; | 87% |
Conditions | Yield |
---|---|
With silica-supported nickel oxide nanocomposites In ethanol at 70℃; for 0.25h; Microwave irradiation; Green chemistry; | 94% |
Conditions | Yield |
---|---|
In ethanol; water Heating; | 93% |
With acetic acid In methanol for 6h; Reflux; | 80% |
Conditions | Yield |
---|---|
In ethanol; water Heating; | 93% |
Conditions | Yield |
---|---|
In ethanol; water Heating; | 93% |
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