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:85006-31-1
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:85006-31-1
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inquiryMethyl 3-amino-4-methylthiophene-2-carboxylate CAS No.:85006-31-1 Name: Methyl 3-amino-4-methylthiophene-2-carboxylate Synonyms: Methyl 3-amino-4-methyl-2-thenoate; 3-Amino-4-methylthiophene-2-ca
Cas:85006-31-1
Min.Order:1 Kilogram
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Type:Other
inquiryhigh quality Appearance:White or off-white Solid Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea Port:shanghai
Cas:85006-31-1
Min.Order:1 Gram
Negotiable
Type:Manufacturers
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:85006-31-1
Min.Order:1
Negotiable
Type:Other
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:85006-31-1
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
Cas:85006-31-1
Min.Order:5 Kiloliter
FOB Price: $1.2 / 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.O
Cas:85006-31-1
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquirySuperiority As a reliable partner for Chinese market, we are specialized in chemical raw materials; consolidate sourcing, marketing, sales, distribution and after-sale services, providing our partners with sourcing evaluation, technology supports, to
Cas:85006-31-1
Min.Order:1 Kilogram
FOB Price: $1350.0 / 2200.0
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:85006-31-1
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:85006-31-1
Min.Order:1 Kilogram
FOB Price: $65.0 / 75.0
Type:Trading Company
inquiryProduct name Methyl 3-amino-4-methylthiophene-2-carboxylate Synonyms 3-AMINO-4-METHYLTHIOPHENE-2-CARBOXYLIC ACID METHYL ESTER CAS No. 85006-31-1 EINECS No. 28
Cas:85006-31-1
Min.Order:1 Kilogram
FOB Price: $1.0
Type:Other
inquiryAppearance:Light yellow crystal Storage:R.T Package:25kg/drum Application:Pharma intermediates Transportation:Express/Sea/Air Port:Any port in China
Cas:85006-31-1
Min.Order:25 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryAdvantages: Hubei XinRunde Chemical Co., Ltd is a renowned pharmaceutical manufacturer. We can offer high quality products at competitive price in quick delivery with 100% custom pass guaranteed. Never stop striving to offer our best serv
Cas:85006-31-1
Min.Order:10 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:85006-31-1
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryMethyl 3-amino-4-methylthiophene-2-carboxylate CAS:85006-31-1 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
Cas:85006-31-1
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:85006-31-1
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
Appearance:slight yellow to off-white crystallin Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used for research and industrial manufacture. Transportation:Commo
Cas:85006-31-1
Min.Order:100 Metric Ton
Negotiable
Type:Lab/Research institutions
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:85006-31-1
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
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:85006-31-1
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
Cas:85006-31-1
Min.Order:0 Metric Ton
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:85006-31-1
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryPacking: 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:85006-31-1
Min.Order:0
Negotiable
Type:Trading Company
inquiryadvantage: 1. The best price, satisfactory quality; 2. customers have the right to choose the delivery of parcels (EMS, DHL, FedEx, UPS); 3. customers have the right to choose from the recent effective packaging methods of their products packaging
Cas:85006-31-1
Min.Order:1 Gram
Negotiable
Type:Other
inquiryChemlyte Solutions believe that customers and suppliers deserve much more than what traditional distributors can offer. To grow in today s fast-paced and increasingly competitive market it is essential to be able to quickly adapt to market forces eff
Cas:85006-31-1
Min.Order:100 Gram
Negotiable
Type:Other
inquiryMassive Chemical is certified with ISO9001 and ISO14001 manufacturer for this product. We will offer all documents as requirement for the materials which includes, Certificate of Analysis, Material Safety Data Sheet, and Method of Analysis and
Cas:85006-31-1
Min.Order:1 Gram
FOB Price: $1.0
Type:Lab/Research institutions
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:85006-31-1
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquirySuperior quality Appearance:white to light yellow crystal powder Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:1kg/bag, 1kg/drum or 25kg/drum or as per your request. Application:Used as Pharmaceutical Intermedia
Cas:85006-31-1
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryCangzhou 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:85006-31-1
Min.Order:1 Kilogram
FOB Price: $300.0 / 400.0
Type:Lab/Research institutions
inquiry4-methyl-3-oxotetrahydro-2-thiophencarboxylic acid methyl ester
3-amino-4-methyl-2-thiophenecarboxylic acid methyl ester
Conditions | Yield |
---|---|
Stage #1: 4-methyl-3-oxotetrahydro-2-thiophencarboxylic acid methyl ester With iron(III) chloride; 1,3,5-trichloro-2,4,6-triazine; hydroxylamine hydrochloride In N,N-dimethyl-formamide at 70 - 90℃; for 4h; Stage #2: With ammonium hydroxide for 0.5h; Reagent/catalyst; Temperature; | 96.5% |
With MH2OH*HCl In acetonitrile for 5h; Heating; | 64% |
With hydroxylamine hydrochloride In acetonitrile |
3-amino-2-carbomethoxy-4-methyl-4,5-dihydrothiophene
3-amino-4-methyl-2-thiophenecarboxylic acid methyl ester
Conditions | Yield |
---|---|
With dihydrogen peroxide In ethyl acetate; isopropyl alcohol |
di-tert-butyl dicarbonate
3-amino-4-methyl-2-thiophenecarboxylic acid methyl ester
tert‐butyl N‐(4‐methylthiophen‐3‐yl)carbamate
Conditions | Yield |
---|---|
Stage #1: 3-amino-4-methyl-2-thiophenecarboxylic acid methyl ester With potassium hydroxide In water at 20 - 80℃; for 0.5h; Stage #2: With hydrogenchloride In water at 50 - 60℃; for 0.25h; Stage #3: di-tert-butyl dicarbonate With potassium hydroxide In hexane; water; acetone at -10 - 20℃; | 100% |
Stage #1: 3-amino-4-methyl-2-thiophenecarboxylic acid methyl ester With water; potassium hydroxide at 20 - 80℃; Inert atmosphere; Stage #2: With hydrogenchloride In water at 50 - 60℃; Stage #3: di-tert-butyl dicarbonate With potassium hydroxide In water at 5 - 20℃; Inert atmosphere; | 81% |
N-(benzyloxycarbonyl)glycyl chloride
3-amino-4-methyl-2-thiophenecarboxylic acid methyl ester
3-((benzyloxycarbonyl)glycyl)amino-2-methoxycarbonyl-4-methylthiophene
Conditions | Yield |
---|---|
In N,N,N,N,N,N-hexamethylphosphoric triamide; acetonitrile Ambient temperature; | 99.3% |
formic acid
3-amino-4-methyl-2-thiophenecarboxylic acid methyl ester
methyl 3-formamido-4-methylthiophene-2-carboxylate
Conditions | Yield |
---|---|
Stage #1: formic acid With acetic anhydride at 0℃; Stage #2: 3-amino-4-methyl-2-thiophenecarboxylic acid methyl ester at 0 - 20℃; for 4h; | 97% |
With (1-methyl-3-(3-sulfopropyl)-1H-imidazol-3-ium)3[PW12O403-] In neat (no solvent) at 70℃; for 1h; Green chemistry; | 88% |
Stage #1: formic acid; 3-amino-4-methyl-2-thiophenecarboxylic acid methyl ester In acetic anhydride at 0 - 20℃; for 18h; Stage #2: for 0.5h; | 81% |
trifluoroacetic anhydride
3-amino-4-methyl-2-thiophenecarboxylic acid methyl ester
methyl 4-methyl-3-[(trifluoroacetyl)amino]thiophene-2-carboxylate
Conditions | Yield |
---|---|
With pyridine In acetonitrile at 0 - 20℃; | 96% |
With pyridine In acetonitrile at 0 - 20℃; for 2h; | 96% |
With N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃; for 2h; | 95% |
3-amino-4-methyl-2-thiophenecarboxylic acid methyl ester
2,4-dimethyl-3-amino-thiophene
Conditions | Yield |
---|---|
With lithium aluminium tetrahydride In tetrahydrofuran at 0 - 80℃; for 3h; Inert atmosphere; | 96% |
With lithium aluminium tetrahydride In tetrahydrofuran for 3.5h; Cooling with ice; Reflux; | 60.6% |
Stage #1: 3-amino-4-methyl-2-thiophenecarboxylic acid methyl ester With lithium aluminium tetrahydride In tetrahydrofuran for 3.5h; Cooling with ice; Reflux; Stage #2: With sodium hydroxide In tetrahydrofuran; water at 0℃; for 1h; | 60.6% |
With sodium bis(2-methoxyethoxy)aluminum dihydride In potassium hydroxide; toluene | |
With sodium bis(2-methoxyethoxy)aluminum dihydride In potassium hydroxide; toluene |
chloroformic acid ethyl ester
3-amino-4-methyl-2-thiophenecarboxylic acid methyl ester
3-Ethoxycarbonylamino-4-methyl-thiophene-2-carboxylic acid methyl ester
Conditions | Yield |
---|---|
In toluene for 3h; Heating; | 94% |
2,6-difluorobenzoylchloride
3-amino-4-methyl-2-thiophenecarboxylic acid methyl ester
Conditions | Yield |
---|---|
With pyridine at 20℃; for 168h; | 94% |
urea
3-amino-4-methyl-2-thiophenecarboxylic acid methyl ester
7-methylthieno<3,2-d>pyrimidine-2,4-dione
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide for 2.5h; Heating / reflux; | 93.7% |
for 1.5h; Heating; | 90% |
In N,N-dimethyl-formamide at 200℃; for 1.5h; | 77% |
at 160 - 200℃; | 61% |
3-amino-4-methyl-2-thiophenecarboxylic acid methyl ester
7-methylthieno<3,2-d>pyrimidine-2,4-dione
Conditions | Yield |
---|---|
With urea In (2S)-N-methyl-1-phenylpropan-2-amine hydrate; N,N-dimethyl-formamide | 93.7% |
With potassium cyanate; sodium hydroxide; acetic acid In water | 84% |
Multi-step reaction with 2 steps 1: H2O / 12 h / Ambient temperature 2: 5percent aq. NaOH / 2 h View Scheme | |
Multi-step reaction with 3 steps 1: dichloromethane / 0.37 h / -78 - 20 °C 2: hydrogenchloride; water / 2 h / Heating / reflux 3: methanol; sodium hydroxide; water / 2 h / Heating / reflux View Scheme |
3-bromo-1-trifluoromethylbenzene
3-amino-4-methyl-2-thiophenecarboxylic acid methyl ester
methyl 3-amino-4-methyl-5-(3-trifluoromethylphenyl)-thiophene-2-carboxylate
Conditions | Yield |
---|---|
With PdCl(C3H5)(dppb); potassium acetate In N,N-dimethyl acetamide at 120℃; for 20h; Inert atmosphere; | 92% |
With PdCl(C3H5)(dppb); potassium acetate In N,N-dimethyl acetamide at 120℃; for 20h; Inert atmosphere; | 92% |
cis,trans-2,5-dimethoxytetrahydrofuran
4-chlorpyridine hydrochloride
3-amino-4-methyl-2-thiophenecarboxylic acid methyl ester
methyl 4-methyl-3-(pyrrol-1-yl)thiophene-2-carboxylate
Conditions | Yield |
---|---|
In 1,4-dioxane; water | 91% |
formamide
3-amino-4-methyl-2-thiophenecarboxylic acid methyl ester
7-methyl-3,4-dihydrothieno[3,2-d]pyrimidin-4-one
Conditions | Yield |
---|---|
at 200℃; for 24h; | 91% |
at 200℃; for 24h; | 91% |
at 20℃; | 60% |
o-cyanobromobenzene
3-amino-4-methyl-2-thiophenecarboxylic acid methyl ester
methyl 3-amino-5-(2-cyanophenyl)-4-methylthiophene-2-carboxylate
Conditions | Yield |
---|---|
With PdCl(C3H5)(dppb); potassium acetate In N,N-dimethyl acetamide at 120℃; for 20h; Inert atmosphere; | 90% |
With PdCl(C3H5)(dppb); potassium acetate In N,N-dimethyl acetamide at 120℃; for 20h; Inert atmosphere; | 90% |
3-cyanobromobenzene
3-amino-4-methyl-2-thiophenecarboxylic acid methyl ester
methyl 3-amino-5-(3-cyanophenyl)-4-methylthiophene-2-carboxylate
Conditions | Yield |
---|---|
With PdCl(C3H5)(dppb); potassium acetate In N,N-dimethyl acetamide at 120℃; for 20h; Inert atmosphere; | 90% |
para-bromoacetophenone
3-amino-4-methyl-2-thiophenecarboxylic acid methyl ester
methyl 5-(4-acetylphenyl)-3-amino-4-methylthiophene-2-carboxylate
Conditions | Yield |
---|---|
With PdCl(C3H5)(dppb); potassium acetate In N,N-dimethyl acetamide at 120℃; for 20h; Inert atmosphere; | 90% |
4-bromopyridine hydrochloride
3-amino-4-methyl-2-thiophenecarboxylic acid methyl ester
methyl 3-amino-4-methyl-5-pyridin-4-ylthiophene-2-carboxylate
Conditions | Yield |
---|---|
With PdCl(C3H5)(dppb); potassium acetate In N,N-dimethyl acetamide at 120℃; for 20h; Inert atmosphere; | 89% |
With PdCl(C3H5)(dppb); potassium acetate In N,N-dimethyl acetamide at 120℃; for 20h; Inert atmosphere; | 89% |
1-Bromo-4-fluorobenzene
3-amino-4-methyl-2-thiophenecarboxylic acid methyl ester
methyl 3-amino-5-(4-fluorophenyl)-4-methyl-thiophene-2-carboxylate
Conditions | Yield |
---|---|
With PdCl(C3H5)(dppb); potassium acetate In N,N-dimethyl acetamide at 120℃; for 20h; Inert atmosphere; | 89% |
With PdCl(C3H5)(dppb); potassium acetate In N,N-dimethyl acetamide at 120℃; for 20h; Inert atmosphere; | 89% |
o-trifluoromethylphenyl bromide
3-amino-4-methyl-2-thiophenecarboxylic acid methyl ester
methyl 3-amino-4-methyl-5-(2-trifluoromethylphenyl)-thiophene-2-carboxylate
Conditions | Yield |
---|---|
With PdCl(C3H5)(dppb); potassium acetate In N,N-dimethyl acetamide at 120℃; for 20h; Inert atmosphere; | 88% |
2-bromobenzoic acid methyl ester
3-amino-4-methyl-2-thiophenecarboxylic acid methyl ester
methyl 3-amino-5-(2-methoxycarbonylphenyl)-4-methylthiophene-2-carboxylate
Conditions | Yield |
---|---|
With PdCl(C3H5)(dppb); potassium acetate In N,N-dimethyl acetamide at 120℃; for 20h; Inert atmosphere; | 87% |
With PdCl(C3H5)(dppb); potassium acetate In N,N-dimethyl acetamide at 120℃; for 20h; Inert atmosphere; | 87% |
4-bromobenzenecarbonitrile
3-amino-4-methyl-2-thiophenecarboxylic acid methyl ester
methyl 3-amino-5-(4-cyanophenyl)-4-methylthiophene-2-carboxylate
Conditions | Yield |
---|---|
With PdCl(C3H5)(dppb); potassium acetate In N,N-dimethyl acetamide at 120℃; for 20h; Inert atmosphere; | 87% |
With PdCl(C3H5)(dppb); potassium acetate In N,N-dimethyl acetamide at 120℃; for 20h; Inert atmosphere; | 87% |
4-bromo-benzaldehyde
3-amino-4-methyl-2-thiophenecarboxylic acid methyl ester
methyl 3-amino-5-(4-formylphenyl)-4-methylthiophene-2-carboxylate
Conditions | Yield |
---|---|
With PdCl(C3H5)(dppb); potassium acetate In N,N-dimethyl acetamide at 120℃; for 20h; Inert atmosphere; | 87% |
With PdCl(C3H5)(dppb); potassium acetate In N,N-dimethyl acetamide at 120℃; for 20h; Inert atmosphere; | 87% |
4'-Bromopropiophenone
3-amino-4-methyl-2-thiophenecarboxylic acid methyl ester
methyl 3-amino-4-methyl-5-(4-propionylphenyl)-thiophene-2-carboxylate
Conditions | Yield |
---|---|
With PdCl(C3H5)(dppb); potassium acetate In N,N-dimethyl acetamide at 120℃; for 20h; Inert atmosphere; | 86% |
With PdCl(C3H5)(dppb); potassium acetate In N,N-dimethyl acetamide at 120℃; for 20h; Inert atmosphere; | 86% |
Ethyl oxalyl chloride
3-amino-4-methyl-2-thiophenecarboxylic acid methyl ester
Conditions | Yield |
---|---|
In tetrahydrofuran at 20℃; for 0.25h; | 84% |
bromochlorobenzene
3-amino-4-methyl-2-thiophenecarboxylic acid methyl ester
methyl 3-amino-5-(4-chlorophenyl)-4-methylthiophene-2-carboxylate
Conditions | Yield |
---|---|
With PdCl(C3H5)(dppb); potassium acetate In N,N-dimethyl acetamide at 120℃; for 20h; Inert atmosphere; | 84% |
1-bromo-3-chlorobenzene
3-amino-4-methyl-2-thiophenecarboxylic acid methyl ester
3-amino-5-(3-chlorophenyl)-4-methyl-thiophene-2-carboxylic acid methyl ester
Conditions | Yield |
---|---|
With PdCl(C3H5)(dppb); potassium acetate In N,N-dimethyl acetamide at 120℃; for 20h; Inert atmosphere; | 84% |
3-amino-4-methyl-2-thiophenecarboxylic acid methyl ester
Conditions | Yield |
---|---|
With lithium aluminium tetrahydride In tetrahydrofuran at 0 - 20℃; for 4h; Cooling with ice; | 83.9% |
para-nitrophenyl bromide
3-amino-4-methyl-2-thiophenecarboxylic acid methyl ester
methyl 3-amino-4-methyl-5-(4-nitrophenyl)-thiophene-2-carboxylate
Conditions | Yield |
---|---|
With PdCl(C3H5)(dppb); potassium acetate In N,N-dimethyl acetamide at 120℃; for 20h; Inert atmosphere; | 83% |
With PdCl(C3H5)(dppb); potassium acetate In N,N-dimethyl acetamide at 120℃; for 20h; Inert atmosphere; | 83% |
m-bromobenzoic aldehyde
3-amino-4-methyl-2-thiophenecarboxylic acid methyl ester
methyl 3-amino-5-(3-formylphenyl)-4-methylthiophene-2-carboxylate
Conditions | Yield |
---|---|
With PdCl(C3H5)(dppb); potassium acetate In N,N-dimethyl acetamide at 120℃; for 20h; Inert atmosphere; | 83% |
p-trifluoromethylphenyl bromide
3-amino-4-methyl-2-thiophenecarboxylic acid methyl ester
methyl 3-amino-4-methyl-5-(4-trifluoromethylphenyl)-thiophene-2-carboxylate
Conditions | Yield |
---|---|
With PdCl(C3H5)(dppb); potassium acetate In N,N-dimethyl acetamide at 120℃; for 20h; Inert atmosphere; | 82% |
With PdCl(C3H5)(dppb); potassium acetate In N,N-dimethyl acetamide at 120℃; for 20h; Inert atmosphere; | 82% |
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