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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

1-Ethyl-1,2-dihydro-6-hydroxy-4-methyl-2-oxo-3-pyridinecarboxamide Manufacturer/High quality/Best price/In stock

Cas:29097-12-9

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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Simagchem Corporation

Welcome 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

High quality 1-Ethyl-1,2-Dihydro-6-Hydroxy-4-Methyl-2-Oxo-3-Pyridinecarboxamide supplier in China

Cas:29097-12-9

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

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Ality Chemical Corporation

The 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

Chemwill Asia Co., Ltd.

Our 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

3-Carbamoyl-N-ethyl-6-hydroxy-4-methyl-2-pyridone

Cas:29097-12-9

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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Henan Tianfu Chemical Co., Ltd.

1-Ethyl-1,2-dihydro-6-hydroxy-4-methyl-2-oxo-3-pyridinecarboxamide Basic information Product Name: 1-Ethyl-1,2-dihydro-6-hydroxy-4-methyl-2-oxo-3-pyridinecarboxamide Synonyms: 3-CARB

1-Ethyl-1,2-dihydro-6-hydroxy-4-methyl-2-oxo-3-pyridinecarboxamide

Cas:29097-12-9

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

With our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufacturin

1-Ethyl-1,2-dihydro-6-hydroxy-4-methyl-2-oxo-3-pyridinecarboxamide CAS:29097-12-9

Cas:29097-12-9

Min.Order:1 Kilogram

FOB Price: $30.0 / 40.0

Type:Trading Company

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Zhuozhou Wenxi import and Export Co., Ltd

WITH 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

Factory direct supply CAS 29097-12-9 with best quality

Cas:29097-12-9

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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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

1-Ethyl-1,2-dihydro-6-hydroxy-4-methyl-2-oxo-3-pyridinecarboxamide

Cas:29097-12-9

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

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Henan Sinotech Import&Export Corporation

Product Name: 1-Ethyl-1,2-dihydro-6-hydroxy-4-methyl-2-oxo-3-pyridinecarboxamide CAS: 29097-12-9 MF: C9H12N2O3 MW: 196.2 EINECS: 249-433-9 Appearance: White powder Storage:Store in coo

1-Ethyl-1,2-dihydro-6-hydroxy-4-methyl-2-oxo-3-pyridinecarboxamide

Cas:29097-12-9

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

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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

1-Ethyl-1,2-dihydro-6-hydroxy-4-methyl-2-oxo-3-pyridinecarboxamide 29097-12-9

Cas:29097-12-9

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Qingdao Beluga Import and Export Co., LTD

1-Ethyl-1,2-dihydro-6-hydroxy-4-methyl-2-oxo-3-pyridinecarboxamide CAS:29097-12-9 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermedi

1-Ethyl-1,2-dihydro-6-hydroxy-4-methyl-2-oxo-3-pyridinecarboxamide CAS:29097-12-9

Cas:29097-12-9

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

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

1-Ethyl-1,2-dihydro-6-hydroxy-4-methyl-2-oxo-3-pyridinecarboxamide

Cas:29097-12-9

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

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

1-Ethyl-1,2-dihydro-6-hydroxy-4-methyl-2-oxo-3-pyridinecarboxamide

Cas:29097-12-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Xiamen Hisunny Chemical Co.,Ltd

Best quality & Attractive price & Professional service; Trial & Pilot & Commercial Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, specia

1-Ethyl-1,2-Dihydro-6-Hydroxy-4-Methyl-2-Oxo-3-Pyridinecarboxamide

Cas:29097-12-9

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

SHANGHAI T&W PHARMACEUTICAL CO., LTD.

A 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

1-Ethyl-1,2-dihydro-6-hydroxy-4-methyl-2-oxo-3-pyridinecarboxamide

Cas:29097-12-9

Min.Order:4 Kilogram

Negotiable

Type:Lab/Research institutions

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Hangzhou Keyingchem Co.,Ltd

Hangzhou 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

1-Ethyl-1,2-dihydro-6-hydroxy-4-methyl-2-oxo-3-pyridinecarboxamide

Cas:29097-12-9

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

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Hangzhou J&H Chemical Co., Ltd.

J&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

1-Ethyl-1,2-dihydro-6-hydroxy-4-methyl-2-oxo-3-pyridinecarboxamide

Cas:29097-12-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Zibo Hangyu Biotechnology Development Co., Ltd

Zibo 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

High quality 1-Ethyl-1,2-Dihydro-6-Hydroxy-4-Methyl-2-Oxo-3-Pyridinecarboxamide

Cas:29097-12-9

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

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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

1-Ethyl-1,2-dihydro-6-hydroxy-4-methyl-2-oxo-3-pyridinecarboxamide

Cas:29097-12-9

Min.Order:100 Gram

FOB Price: $100.0 / 2000.0

Type:Lab/Research institutions

inquiry

Siwei Development Group Ltd.

Product name: N-Ethyl-3-Cyano-4-Methyl-6-Hydroxy-2-Pyridone CAS No.:29097-12-9 Molecule Formula:C9H12N2O3 Molecule Weight:196.20 Purity: 99.0% Package: 25kg/drum Description:Grey powder Manufacture Standards:Enterprise Standard

High Quality N-Ethyl-3-Cyano-4-Methyl-6-Hydroxy-2-Pyridone

Cas:29097-12-9

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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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

1-Ethyl-1,2-dihydro-6-hydroxy-4-methyl-2-oxo-3-pyridinecarboxamide

Cas:29097-12-9

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

Type:Trading Company

inquiry

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

1-Ethyl-1,2-dihydro-6-hydroxy-4-methyl-2-oxo-3-pyridinecarboxamide

Cas:29097-12-9

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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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

1-Ethyl-1,2-dihydro-6-hydroxy-4-methyl-2-oxo-3-pyridinecarboxamide

Cas:29097-12-9

Min.Order:1 Metric Ton

FOB Price: $1.5

Type:Trading Company

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Hunan chemfish Pharmaceutical co.,Ltd

Appearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea

1-Ethyl-1,2-dihydro-6-hydroxy-4-methyl-2-oxo-3-pyridinecarboxamide

Cas:29097-12-9

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Suzhou Health Chemicals Co., Ltd.

High 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

1-Ethyl-1,2-dihydro-6-hydroxy-4-methyl-2-oxo-3-pyridinecarboxamide

Cas:29097-12-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

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

1-Ethyl-1,2-dihydro-6-hydroxy-4-methyl-2-oxo-3-pyridinecarboxamide

Cas:29097-12-9

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Trading Company

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Win-Win chemical Co.Ltd

Stock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai

3-Aminocarbonyl-4-Methyl-6-Hydroxy-N-Ethyl Pyridone cas no. 29097-12-9 98%

Cas:29097-12-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

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

1-Ethyl-1,2-dihydro-6-hydroxy-4-methyl-2-oxo-3-pyridinecarboxamide

Cas:29097-12-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Kono Chem Co.,Ltd

high 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

N-Ethyl-3-cyano-4-methyl-6-hydroxy-2-pyridone

Cas:29097-12-9

Min.Order:0

Negotiable

Type:Other

inquiry

DB BIOTECH CO., LTD

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

1-Ethyl-1,2-dihydro-6-hydroxy-4-methyl-2-oxo-3-pyridinecarboxamide

Cas:29097-12-9

Min.Order:0

Negotiable

Type:Trading Company

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Synthetic route

C26H19N5O18S5
698352-78-2

C26H19N5O18S5

1-ethyl-3-aminocarbonyl-4-methyl-6-hydroxypyrid-2-one
29097-12-9

1-ethyl-3-aminocarbonyl-4-methyl-6-hydroxypyrid-2-one

C35H28N8O21S5

C35H28N8O21S5

Conditions
ConditionsYield
Stage #1: C26H19N5O18S5 With hydrogenchloride; aminosulfonic acid; sodium nitrite In water at 0 - 10℃; for 2h;
Stage #2: 1-ethyl-3-aminocarbonyl-4-methyl-6-hydroxypyrid-2-one With lithium hydroxide In water at 0 - 10℃; pH=5 - 7;
75%
1-ethyl-3-aminocarbonyl-4-methyl-6-hydroxypyrid-2-one
29097-12-9

1-ethyl-3-aminocarbonyl-4-methyl-6-hydroxypyrid-2-one

3-azido-3-ethyl-1,3-benzothiazolium-tetrafluoroborat

3-azido-3-ethyl-1,3-benzothiazolium-tetrafluoroborat

Natrium-5-carbamoyl-3-<2-(5-carbamoyl-1-ethyl-1,2,3,6-tetrahydro-4-methyl-2,6-dioxopyridin-3-yliden)hydrazino>-1-ethyl-1,6-dihydro-4-methyl-6-oxopyridin-2-olat

Natrium-5-carbamoyl-3-<2-(5-carbamoyl-1-ethyl-1,2,3,6-tetrahydro-4-methyl-2,6-dioxopyridin-3-yliden)hydrazino>-1-ethyl-1,6-dihydro-4-methyl-6-oxopyridin-2-olat

Conditions
ConditionsYield
With sodium carbonate In methanol; water at 0℃; for 5h; pH 8;43%
C26H19N5O15S4
698352-37-3

C26H19N5O15S4

1-ethyl-3-aminocarbonyl-4-methyl-6-hydroxypyrid-2-one
29097-12-9

1-ethyl-3-aminocarbonyl-4-methyl-6-hydroxypyrid-2-one

C35H28N8O18S4

C35H28N8O18S4

Conditions
ConditionsYield
Stage #1: C26H19N5O15S4 With hydrogenchloride; aminosulfonic acid; sodium nitrite In water at 0 - 10℃; for 2h; pH=9;
Stage #2: 1-ethyl-3-aminocarbonyl-4-methyl-6-hydroxypyrid-2-one With lithium hydroxide In water at 0 - 10℃; pH=9 - 10;
10%
1-ethyl-3-aminocarbonyl-4-methyl-6-hydroxypyrid-2-one
29097-12-9

1-ethyl-3-aminocarbonyl-4-methyl-6-hydroxypyrid-2-one

methanesulfonyl chloride
124-63-0

methanesulfonyl chloride

sodium salt of 1-ethyl-3-carbamoyl-4-methyl-5-methylsulfonyl-6-hydroxy-pyrid-2-one
71552-63-1

sodium salt of 1-ethyl-3-carbamoyl-4-methyl-5-methylsulfonyl-6-hydroxy-pyrid-2-one

Conditions
ConditionsYield
With sodium hydroxide; sodium chloride In water
4,4'-diamino-2,2'-biphenyldisulfonic acid
117-61-3

4,4'-diamino-2,2'-biphenyldisulfonic acid

1-ethyl-3-aminocarbonyl-4-methyl-6-hydroxypyrid-2-one
29097-12-9

1-ethyl-3-aminocarbonyl-4-methyl-6-hydroxypyrid-2-one

C32H32N6O12S2

C32H32N6O12S2

Conditions
ConditionsYield
Stage #1: 4,4'-diamino-2,2'-biphenyldisulfonic acid With hydrogenchloride; sodium hydroxide; sodium nitrite In water for 2.5h; pH=7 - 8; Cooling with ice;
Stage #2: 1-ethyl-3-aminocarbonyl-4-methyl-6-hydroxypyrid-2-one With sodium hydroxide In water for 3h; pH=8 - 9; Cooling with ice;
4,4'-diamino-2,2'-biphenyldisulfonic acid
117-61-3

4,4'-diamino-2,2'-biphenyldisulfonic acid

1-ethyl-3-aminocarbonyl-4-methyl-6-hydroxypyrid-2-one
29097-12-9

1-ethyl-3-aminocarbonyl-4-methyl-6-hydroxypyrid-2-one

C48H66N8O10S2

C48H66N8O10S2

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: sodium nitrite; sodium hydroxide; hydrogenchloride / water / 2.5 h / pH 7 - 8 / Cooling with ice
1.2: 3 h / pH 8 - 9 / Cooling with ice
2.1: thionyl chloride / N,N-dimethyl-formamide; chloroform / 5 h / 50 °C
2.2: 20 °C
View Scheme
2-(p-aminophenylsulfonyl)ethyl hydrogen sulfate
2494-89-5

2-(p-aminophenylsulfonyl)ethyl hydrogen sulfate

2-amino-1-benzenesulfonic acid
88-21-1

2-amino-1-benzenesulfonic acid

1-ethyl-3-aminocarbonyl-4-methyl-6-hydroxypyrid-2-one
29097-12-9

1-ethyl-3-aminocarbonyl-4-methyl-6-hydroxypyrid-2-one

C23H22N6O12S3(2-)*2Na(1+)

C23H22N6O12S3(2-)*2Na(1+)

Conditions
ConditionsYield
Stage #1: 2-(p-aminophenylsulfonyl)ethyl hydrogen sulfate With hydrogenchloride; sodium nitrite In water at 0 - 5℃; for 2h;
Stage #2: 2-amino-1-benzenesulfonic acid With sodium carbonate In water at 10 - 15℃; for 5h;
Stage #3: 1-ethyl-3-aminocarbonyl-4-methyl-6-hydroxypyrid-2-one Further stages;
2-(p-aminophenylsulfonyl)ethyl hydrogen sulfate
2494-89-5

2-(p-aminophenylsulfonyl)ethyl hydrogen sulfate

1,3,5-trichloro-2,4,6-triazine
108-77-0

1,3,5-trichloro-2,4,6-triazine

sodium 2-amino-5-aminomethylnaphthalene-1-sulfonate

sodium 2-amino-5-aminomethylnaphthalene-1-sulfonate

1-ethyl-3-aminocarbonyl-4-methyl-6-hydroxypyrid-2-one
29097-12-9

1-ethyl-3-aminocarbonyl-4-methyl-6-hydroxypyrid-2-one

C31H28ClN9O12S3(2-)*2Na(1+)

C31H28ClN9O12S3(2-)*2Na(1+)

Conditions
ConditionsYield
Stage #1: 1,3,5-trichloro-2,4,6-triazine; sodium 2-amino-5-aminomethylnaphthalene-1-sulfonate With sodium carbonate In water at 0 - 5℃; for 2h; pH=2 - 2.5;
Stage #2: 2-(p-aminophenylsulfonyl)ethyl hydrogen sulfate With sodium carbonate In water at 40 - 45℃; for 2h; pH=6 - 7;
Stage #3: 1-ethyl-3-aminocarbonyl-4-methyl-6-hydroxypyrid-2-one Further stages;
1,3,5-trichloro-2,4,6-triazine
108-77-0

1,3,5-trichloro-2,4,6-triazine

1-ethyl-3-aminocarbonyl-4-methyl-6-hydroxypyrid-2-one
29097-12-9

1-ethyl-3-aminocarbonyl-4-methyl-6-hydroxypyrid-2-one

2-aminonaphthalenesulfonic acid
81-16-3

2-aminonaphthalenesulfonic acid

1,3-phenylenediamine-4-sulphonic acid sodium salt

1,3-phenylenediamine-4-sulphonic acid sodium salt

C28H25ClN6O9S2(2-)*2Na(1+)

C28H25ClN6O9S2(2-)*2Na(1+)

Conditions
ConditionsYield
Stage #1: 1,3,5-trichloro-2,4,6-triazine; 2-aminonaphthalenesulfonic acid In water at 0 - 5℃; for 5h; pH=4 - 5;
Stage #2: 1,3-phenylenediamine-4-sulphonic acid sodium salt In water at 25 - 30℃; for 6h; pH=6 - 7;
Stage #3: 1-ethyl-3-aminocarbonyl-4-methyl-6-hydroxypyrid-2-one Further stages;
1,3,5-trichloro-2,4,6-triazine
108-77-0

1,3,5-trichloro-2,4,6-triazine

1-ethyl-3-aminocarbonyl-4-methyl-6-hydroxypyrid-2-one
29097-12-9

1-ethyl-3-aminocarbonyl-4-methyl-6-hydroxypyrid-2-one

2,2'-iminobis[ethanol]
111-42-2

2,2'-iminobis[ethanol]

1,3-phenylenediamine-4-sulphonic acid sodium salt

1,3-phenylenediamine-4-sulphonic acid sodium salt

C31H34Cl2N8O15S4(4-)*4Na(1+)

C31H34Cl2N8O15S4(4-)*4Na(1+)

Conditions
ConditionsYield
Stage #1: 1,3,5-trichloro-2,4,6-triazine; 2,2'-iminobis[ethanol] In water at 0 - 5℃; for 4h; pH=4 - 5;
Stage #2: 1,3-phenylenediamine-4-sulphonic acid sodium salt In water at 30 - 40℃; for 6h; pH=5 - 6;
Stage #3: 1-ethyl-3-aminocarbonyl-4-methyl-6-hydroxypyrid-2-one Further stages;
C10H8F2N4O3S
252291-80-8

C10H8F2N4O3S

1-ethyl-3-aminocarbonyl-4-methyl-6-hydroxypyrid-2-one
29097-12-9

1-ethyl-3-aminocarbonyl-4-methyl-6-hydroxypyrid-2-one

C19H17F2N7O6S

C19H17F2N7O6S

Conditions
ConditionsYield
Stage #1: C10H8F2N4O3S With hydrogenchloride; sodium nitrite In water at 2 - 5℃; for 2h;
Stage #2: 1-ethyl-3-aminocarbonyl-4-methyl-6-hydroxypyrid-2-one With sodium hydroxide In water at 15℃; for 5h; pH=6;
C10H8F2N4O6S2

C10H8F2N4O6S2

1-ethyl-3-aminocarbonyl-4-methyl-6-hydroxypyrid-2-one
29097-12-9

1-ethyl-3-aminocarbonyl-4-methyl-6-hydroxypyrid-2-one

C19H17F2N7O9S2

C19H17F2N7O9S2

Conditions
ConditionsYield
Stage #1: C10H8F2N4O6S2 With hydrogenchloride; sodium nitrite In water at 2℃; for 2h;
Stage #2: 1-ethyl-3-aminocarbonyl-4-methyl-6-hydroxypyrid-2-one With sodium hydroxide In water at 15℃; for 5h; pH=6;
1-ethyl-3-aminocarbonyl-4-methyl-6-hydroxypyrid-2-one
29097-12-9

1-ethyl-3-aminocarbonyl-4-methyl-6-hydroxypyrid-2-one

2-amino-5-nitro-benzoic acid
616-79-5

2-amino-5-nitro-benzoic acid

C16H13N5O6

C16H13N5O6

Conditions
ConditionsYield
Stage #1: 2-amino-5-nitro-benzoic acid With hydrogenchloride; sodium hydroxide; sodium nitrite In water for 3.5h; Cooling with ice;
Stage #2: 1-ethyl-3-aminocarbonyl-4-methyl-6-hydroxypyrid-2-one With sodium hydroxide In water at 20℃; for 3h; pH=7.5 - 9.5;

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