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Dayang Chem (Hangzhou) Co.,Ltd.

DayangChem 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

(4-Amino-2-nitrophenyl)carbamic acid ethyl ester

Cas:73895-87-1

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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Wuhan Han Sheng New Material Technology Co.,Ltd

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

(4-Amino-2-nitrophenyl)carbamic acid ethyl ester manufacturer CAS NO.73895-87-1

Cas:73895-87-1

Min.Order:10 Kilogram

FOB Price: $80.0 / 100.0

Type:Trading Company

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Hebei Sankai Chemical Technology Co., Ltd

1. 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 ♦ W

(4-Amino-2-nitrophenyl)carbamic acid ethyl ester CAS73895-87-1

Cas:73895-87-1

Min.Order:1 Kilogram

FOB Price: $289.0 / 499.0

Type:Trading Company

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Shanghai Upbio Tech Co.,Ltd

1.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

(4-Amino-2-nitrophenyl)carbamic acid ethyl ester 73895-87-1

Cas:73895-87-1

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Shandong Hanjiang Chemical Co., Ltd.

Hello, 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

(4-Amino-2-nitrophenyl)carbamic acid ethyl ester

Cas:73895-87-1

Min.Order:1 Kilogram

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Type:Lab/Research institutions

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Henan Wentao Chemical Product Co., Ltd.

Henan 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

(4-Amino-2-nitrophenyl)carbamic acid ethyl ester

Cas:73895-87-1

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Saiwante (shanghai) New Material Technology Co., Ltd.

ProName: (4-Amino-2-nitrophenyl)carbamic acid e... CasNo: 73895-87-1 Molecular Formula: C9H11N3O4 Appearance: white powder Application: Pharmaceuticals, pesticides, synthetic... DeliveryTime: 3-10 days PackAge: 1kg/Alu bag, 25kgs/Drum Port:

(4-Amino-2-nitrophenyl)carbamic acid ethyl ester manufacturer CAS NO.73895-87-1 CAS NO.73895-87-1

Cas:73895-87-1

Min.Order:1 Gram

FOB Price: $6.0 / 9.0

Type:Trading Company

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Shanghai Hope Chem Co., Ltd

1. Product advantages: exquisite appearance and unique functions. 2. Product Advantages: Our products are the best,fast speed ,in large stock 3. High-quality products and thoughtful service are your greatest satisfaction. 4. The product

Ethyl (4-amino-2-nitrophenyl)carbamate

Cas:73895-87-1

Min.Order:0

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Chemlyte Solutions

Chemlyte 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

Featured products (4-Amino-2-nitrophenyl)carbamic acid ethyl ester

Cas:73895-87-1

Min.Order:100 Gram

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Type:Other

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SHANGHAI SYSTEAM BIOCHEM CO., LTD

We are one of a few suppliers that can offer custom synthesis service of this product We are specialized in custom synthesis, chemical/pharmaceutical/ pesticides outsourcing and contract research. We are committed to prov

(4-Amino-2-nitrophenyl)carbamic acid ethyl ester manufacturer CAS NO.73895-87-1

Cas:73895-87-1

Min.Order:100 Gram

FOB Price: $100.0 / 2000.0

Type:Lab/Research institutions

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EAST CHEMSOURCES LIMITED

factory?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

(4-Amino-2-nitrophenyl)carbamic acid ethyl ester manufacturer CAS NO.73895-87-1

Cas:73895-87-1

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

Type:Trading Company

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Shandong Mopai Biotechnology Co., LTD

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

(4-Amino-2-nitrophenyl)carbamic acid ethyl ester manufacturer CAS NO.73895-87-1

Cas:73895-87-1

Min.Order:1 Gram

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KAISA GROUP INC

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

(4-Amino-2-nitrophenyl)carbamic acid ethyl ester manufacturer CAS NO.73895-87-1

Cas:73895-87-1

Min.Order:1 Metric Ton

FOB Price: $1.5

Type:Trading Company

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Bluecrystal chem-union

We 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

(4-Amino-2-nitrophenyl)carbamic acid ethyl ester manufacturer CAS NO.73895-87-1

Cas:73895-87-1

Min.Order:1 Metric Ton

FOB Price: $1.0

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GIHI CHEMICALS CO.,LIMITED

Lower 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

(4-Amino-2-nitrophenyl)carbamic acid ethyl ester

Cas:73895-87-1

Min.Order:0

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Henan Tianfu Chemical Co., Ltd.

1.Our services:A.Supply sampleB.The packing also can be according the customers` requirmentC.Any inquiries will be replied within 24 hoursD.we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate.

(4-Amino-2-nitrophenyl)carbamic acid ethyl ester

Cas:73895-87-1

Min.Order:0

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Antimex Chemical Limied

Ansciep 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

(4-Amino-2-nitrophenyl)carbamic acid ethyl ester

Cas:73895-87-1

Min.Order:0

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Qingdao Beluga Import and Export Co., LTD

We are a trading company aiming at providing high-quality services to customers. Established for many years, with good reputation in the industry Storage:Sealed and preserved Application:Fine chemical intermediates, used as the main raw material for

(4-Amino-2-nitrophenyl)carbamic acid ethyl ester manufacturer CAS NO.73895-87-1

Cas:73895-87-1

Min.Order:0

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Hubei Langyou International Trading Co., Ltd

(4-Amino-2-nitrophenyl)carbamic acid ethyl ester manufacturer CAS NO.73895-87-1 Application:(4-Amino-2-nitrophenyl)carbamic acid ethyl ester manufacturer CAS NO.73895-87-1

Changchun Artel lmport and Export trade company

Supply top quality products with a reasonable price Application:api

73895-87-1

Cas:73895-87-1

Min.Order:0

Negotiable

Type:Trading Company

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Henan Kanbei Chemical Co.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

(4-Amino-2-nitrophenyl)carbamic acid ethyl ester

Cas:73895-87-1

Min.Order:0

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Hebei Quanhe Biotechnology Co. LTD

1. 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

(4-Amino-2-nitrophenyl)carbamic acid ethyl ester

Cas:73895-87-1

Min.Order:0

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Hangzhou ZeErRui Chemical Co., Ltd.

Hangzhou ZeErRui Chemical Co., Ltd. is focused on customization, research and development and production of APIs and advanced intermediates, which can effectively compensate for the deficiencies of traditional CRO and CMO. Priority of high-tech barri

(4-Amino-2-nitrophenyl)carbamic acid ethyl ester

Cas:73895-87-1

Min.Order:0

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Wuhan Newgreat Chemical Co., Ltd

Wuhan Xinweiye Chemical Co., Ltd. is mainly engaged in the process development and production of customized synthesis and pharmaceutical intermediates. We have professional researchers in organic synthesis, analytical chemistry and production process

(4-Amino-2-nitrophenyl)carbamic acid ethyl ester manufacturer CAS NO.73895-87-1

Cas:73895-87-1

Min.Order:0

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Hunan Longxianng Runhui Trading Co.,Ltd

(4-Amino-2-nitrophenyl)carbamic acid ethyl ester manufacturer CAS NO.73895-87-1Appearance:White needle crystalls or crystal powder Storage:Store in dry, dark and ventilated place Package:100g/bag, 1kg/bag, 25kg/drum Application:Pharmaceutical Interme

(4-Amino-2-nitrophenyl)carbamic acid ethyl ester manufacturer CAS NO.73895-87-1

Cas:73895-87-1

Min.Order:0

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Type:Lab/Research institutions

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Wuhan ZeShanCheng Biomedical Technology Co., Ltd.

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 highl

(4-Amino-2-nitrophenyl)carbamic acid ethyl ester

Cas:73895-87-1

Min.Order:0

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Type:Trading Company

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Shanghai Chinqesen Biotechnology Co., Ltd.

Good Quality Application:Medical or chemical

73895-87-1

Cas:73895-87-1

Min.Order:0

Negotiable

Type:Trading Company

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ZHEJIANG JIUZHOU CHEM CO.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

(4-Amino-2-nitrophenyl)carbamic acid ethyl ester

Cas:73895-87-1

Min.Order:0

Negotiable

Type:Trading Company

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Amadis Chemical Co., Ltd.

1.Professional synthesis laboratory and production base. 2.Strong synthesis team and service team. 3.Professional data management system. 4.We provide the professional test date and product information ,ex. HNMR ,CNMR,FNMR, HPLC/G

Ethyl (4-amino-2-nitrophenyl)carbamate

Cas:73895-87-1

Min.Order:10 Milligram

Negotiable

Type:Lab/Research institutions

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HENAN SUNLAKE ENTERPRISE CORPORATION

HENAN SUNLAKE ENTERPRISE CORPORATION Our company advantages: 1、The highest quality with the competitive price. 2、Professional human services. 3、The fastest and safest delivery service. 4、The faster and safest delivery service. 5、The hig

(4-Amino-2-nitrophenyl)carbamic acid ethyl ester

Cas:73895-87-1

Min.Order:100 Gram

Negotiable

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Synthetic route

2-ethoxycarbonylamino-5-phthalimidonitrobenzene
150812-24-1

2-ethoxycarbonylamino-5-phthalimidonitrobenzene

5-amino-2-ethoxycarbonylaminonitrobenzene
73895-87-1

5-amino-2-ethoxycarbonylaminonitrobenzene

Conditions
ConditionsYield
With methylamine In water; isopropyl alcohol at 60 - 65℃; for 2h; Concentration; Reagent/catalyst; Solvent; Temperature; Time;97.2%
With hydrazine In 1,2-dimethoxyethane for 1.66667h; Heating / reflux;90%
With hydrazine hydrate In 1,2-dimethoxyethane
N-(4-aminophenyl)carbamic acid ethyl ester
57399-97-0

N-(4-aminophenyl)carbamic acid ethyl ester

5-amino-2-ethoxycarbonylaminonitrobenzene
73895-87-1

5-amino-2-ethoxycarbonylaminonitrobenzene

Conditions
ConditionsYield
With sulfuric acid; nitric acid In water at -5 - 0℃; for 0.5h; Inert atmosphere;60%
Stage #1: N-(4-aminophenyl)carbamic acid ethyl ester With sulfuric acid In water at -5℃;
Stage #2: With nitric acid In water at 0℃; for 0.5h; Inert atmosphere;
60%
Multi-step reaction with 3 steps
1: N,N-dimethyl-formamide / 2.5 h / 20 - 95 °C / Inert atmosphere
2: nitric acid / acetic acid / 20 - 105 °C / Inert atmosphere
3: methylamine / isopropyl alcohol; water / 2 h / 60 - 65 °C
View Scheme
1-ethoxycarbonylamino-4-phthalimidobenzene
721943-05-1

1-ethoxycarbonylamino-4-phthalimidobenzene

5-amino-2-ethoxycarbonylaminonitrobenzene
73895-87-1

5-amino-2-ethoxycarbonylaminonitrobenzene

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: nitric acid / acetic acid / 20 - 105 °C / Inert atmosphere
2: methylamine / isopropyl alcohol; water / 2 h / 60 - 65 °C
View Scheme
ethyl 4-nitrophenylcarbamate
2621-73-0

ethyl 4-nitrophenylcarbamate

5-amino-2-ethoxycarbonylaminonitrobenzene
73895-87-1

5-amino-2-ethoxycarbonylaminonitrobenzene

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: ammonium formate; 5%-palladium/activated carbon / tetrahydrofuran; water / 24 h / 50 °C / Inert atmosphere
2: sulfuric acid; nitric acid / water / 0.5 h / -5 - 0 °C / Inert atmosphere
View Scheme
5-amino-2-ethoxycarbonylaminonitrobenzene
73895-87-1

5-amino-2-ethoxycarbonylaminonitrobenzene

4-fluorobenzaldehyde
459-57-4

4-fluorobenzaldehyde

2-ethoxycarbonylamino-5-(4-fluorobenzylideneamino)nitrobenzene
1314406-56-8

2-ethoxycarbonylamino-5-(4-fluorobenzylideneamino)nitrobenzene

Conditions
ConditionsYield
With toluene-4-sulfonic acid In toluene for 4h; Reflux;100%
In ethanol at 20 - 65℃; Solvent; Temperature;97.9%
5-amino-2-ethoxycarbonylaminonitrobenzene
73895-87-1

5-amino-2-ethoxycarbonylaminonitrobenzene

3-Fluorobenzaldehyde
456-48-4

3-Fluorobenzaldehyde

C16H16FN3O4

C16H16FN3O4

Conditions
ConditionsYield
Stage #1: 5-amino-2-ethoxycarbonylaminonitrobenzene; 3-Fluorobenzaldehyde With toluene-4-sulfonic acid In toluene for 4h; Reflux;
Stage #2: With methanol; sodium tetrahydroborate In ethyl acetate at 10℃; for 4h;
88.6%
5-amino-2-ethoxycarbonylaminonitrobenzene
73895-87-1

5-amino-2-ethoxycarbonylaminonitrobenzene

2-Fluorobenzaldehyde
446-52-6

2-Fluorobenzaldehyde

C16H16FN3O4

C16H16FN3O4

Conditions
ConditionsYield
Stage #1: 5-amino-2-ethoxycarbonylaminonitrobenzene; 2-Fluorobenzaldehyde With toluene-4-sulfonic acid In toluene for 4h; Reflux;
Stage #2: With methanol; sodium tetrahydroborate In ethyl acetate at 10℃; for 4h;
87%
5-amino-2-ethoxycarbonylaminonitrobenzene
73895-87-1

5-amino-2-ethoxycarbonylaminonitrobenzene

4-fluorobenzaldehyde
459-57-4

4-fluorobenzaldehyde

2-ethoxycarbonylamino-5-(4-fluorobenzylamino)nitrobenzene
150812-23-0

2-ethoxycarbonylamino-5-(4-fluorobenzylamino)nitrobenzene

Conditions
ConditionsYield
With sodium tetrahydroborate In water; isopropyl alcohol at 20℃; Solvent; Temperature; Time;81.7%
Stage #1: 5-amino-2-ethoxycarbonylaminonitrobenzene With sodium tetrahydroborate; acetic acid In tetrahydrofuran at 35℃;
Stage #2: 4-fluorobenzaldehyde In tetrahydrofuran at 35℃; for 1h;
5-amino-2-ethoxycarbonylaminonitrobenzene
73895-87-1

5-amino-2-ethoxycarbonylaminonitrobenzene

4-(4-chloro-benzenesulfonyl)-3-methyl-thiophene-2-carbaldehyde
721943-14-2

4-(4-chloro-benzenesulfonyl)-3-methyl-thiophene-2-carbaldehyde

C21H18ClN3O6S2
721943-40-4

C21H18ClN3O6S2

Conditions
ConditionsYield
In ethanol for 20h; Heating / reflux;61%
5-Chloro-2-thiophenecarboxaldehyde
7283-96-7

5-Chloro-2-thiophenecarboxaldehyde

5-amino-2-ethoxycarbonylaminonitrobenzene
73895-87-1

5-amino-2-ethoxycarbonylaminonitrobenzene

(2-amino-4-((5-chloro-thiophen-2-ylmethyl)-amino)-phenyl)-carbamic acid ethyl ester

(2-amino-4-((5-chloro-thiophen-2-ylmethyl)-amino)-phenyl)-carbamic acid ethyl ester

Conditions
ConditionsYield
Stage #1: 5-Chloro-2-thiophenecarboxaldehyde; 5-amino-2-ethoxycarbonylaminonitrobenzene With sodium tris(acetoxy)borohydride In 1,2-dichloro-ethane at 40℃; for 3.5h; Ultrasonic bath;
Stage #2: With hydrogenchloride; iron In ethanol; water for 0.166667h;
56%
5-methylthiophene-2-carboxaldehyde
13679-70-4

5-methylthiophene-2-carboxaldehyde

5-amino-2-ethoxycarbonylaminonitrobenzene
73895-87-1

5-amino-2-ethoxycarbonylaminonitrobenzene

C15H15N3O4S

C15H15N3O4S

Conditions
ConditionsYield
Amberlite IRC-84 In o-xylene for 5h; Heating / reflux;
5-amino-2-ethoxycarbonylaminonitrobenzene
73895-87-1

5-amino-2-ethoxycarbonylaminonitrobenzene

5-fluorobenzofuran-3-carbaldehyde
721943-19-7

5-fluorobenzofuran-3-carbaldehyde

C18H14FN3O5

C18H14FN3O5

Conditions
ConditionsYield
Amberlite IRC-84 In o-xylene for 5h; Heating / reflux;
5-amino-2-ethoxycarbonylaminonitrobenzene
73895-87-1

5-amino-2-ethoxycarbonylaminonitrobenzene

2-ethoxycarbonylamino-5-(4-fluorobenzylamino)nitrobenzene
150812-23-0

2-ethoxycarbonylamino-5-(4-fluorobenzylamino)nitrobenzene

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: ethanol / 20 - 65 °C
2: sodium tetrahydroborate / isopropyl alcohol; water / 0 - 30 °C
View Scheme
Multi-step reaction with 2 steps
1: toluene-4-sulfonic acid / toluene / 4 h / Reflux
2: sodium tetrahydroborate; methanol / ethyl acetate / 4 h / 10 °C
View Scheme
5-amino-2-ethoxycarbonylaminonitrobenzene
73895-87-1

5-amino-2-ethoxycarbonylaminonitrobenzene

Retigabine
150812-12-7

Retigabine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: sodium tetrahydroborate / isopropyl alcohol; water / 20 °C
2: hydrogen; palladium 10% on activated carbon; ammonia / methanol / 25 - 30 °C / 2250.23 - 3000.3 Torr / Inert atmosphere; Autoclave
View Scheme
Multi-step reaction with 2 steps
1: ethanol / 20 - 65 °C
2: hydrogen; palladium 10% on activated carbon; triethylamine / methanol / 25 - 30 °C / 2250.23 - 3000.3 Torr / Inert atmosphere; Autoclave
View Scheme
Multi-step reaction with 3 steps
1: ethanol / 20 - 65 °C
2: sodium tetrahydroborate / isopropyl alcohol; water / 0 - 30 °C
3: hydrogen; palladium 10% on activated carbon; ammonia / methanol / 25 - 30 °C / 2250.23 - 3000.3 Torr / Inert atmosphere; Autoclave
View Scheme
Multi-step reaction with 2 steps
1.1: acetic acid; sodium tetrahydroborate / tetrahydrofuran / 35 °C
1.2: 1 h / 35 °C
2.1: hydrogenchloride; iron / water; ethanol / 1 h / 25 °C
View Scheme
Multi-step reaction with 3 steps
1: toluene-4-sulfonic acid / toluene / 4 h / Reflux
2: sodium tetrahydroborate; methanol / ethyl acetate / 4 h / 10 °C
3: hydrogen / ethyl acetate / 15 h / 55 - 60 °C / 8250.83 Torr
View Scheme
5-amino-2-ethoxycarbonylaminonitrobenzene
73895-87-1

5-amino-2-ethoxycarbonylaminonitrobenzene

retigabine dihydrochloride

retigabine dihydrochloride

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: sodium tetrahydroborate / isopropyl alcohol; water / 20 °C
2: hydrogen; palladium 10% on activated carbon; ammonia / methanol / 25 - 30 °C / 2250.23 - 3000.3 Torr / Inert atmosphere; Autoclave
3: hydrogenchloride / methanol / 2 h / 25 - 30 °C
View Scheme
Multi-step reaction with 3 steps
1: ethanol / 20 - 65 °C
2: hydrogen; palladium 10% on activated carbon; triethylamine / methanol / 25 - 30 °C / 2250.23 - 3000.3 Torr / Inert atmosphere; Autoclave
3: hydrogenchloride / methanol / 2 h / 25 - 30 °C
View Scheme
Multi-step reaction with 4 steps
1: ethanol / 20 - 65 °C
2: sodium tetrahydroborate / isopropyl alcohol; water / 0 - 30 °C
3: hydrogen; palladium 10% on activated carbon; ammonia / methanol / 25 - 30 °C / 2250.23 - 3000.3 Torr / Inert atmosphere; Autoclave
4: hydrogenchloride / methanol / 2 h / 25 - 30 °C
View Scheme
5-amino-2-ethoxycarbonylaminonitrobenzene
73895-87-1

5-amino-2-ethoxycarbonylaminonitrobenzene

4-fluorobenzaldehyde
459-57-4

4-fluorobenzaldehyde

Retigabine
150812-12-7

Retigabine

Conditions
ConditionsYield
Stage #1: 5-amino-2-ethoxycarbonylaminonitrobenzene; 4-fluorobenzaldehyde With sodium tetrahydroborate; acetic acid In tetrahydrofuran at 25 - 35℃;
Stage #2: With hydrogenchloride; iron In ethanol; water at 25℃; for 1h;
5-amino-2-ethoxycarbonylaminonitrobenzene
73895-87-1

5-amino-2-ethoxycarbonylaminonitrobenzene

2-Fluorobenzaldehyde
446-52-6

2-Fluorobenzaldehyde

C16H18FN3O2

C16H18FN3O2

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: toluene-4-sulfonic acid / toluene / 4 h / Reflux
1.2: 4 h / 10 °C
2.1: hydrogen / ethyl acetate / 15 h / 55 - 60 °C / 8250.83 Torr
View Scheme

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