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Dayang Chem (Hangzhou) Co.,Ltd.

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

(6R,7R)-7-Amino-8-oxo-3-(1-propenyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Cas:120709-09-3

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

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 7-Apra supplier in China

Cas:120709-09-3

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

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EAST CHEMSOURCES LIMITED

Our Server 1. Competitive offers with standard high quality or customize 2. Available customizing blending of above 2 single products 3. Prompt delivery within 2-3 weeks(1 weeks is available for ready stock) 4. Well-trained and profession

7-PACA

Cas:120709-09-3

Min.Order:1 Metric Ton

FOB Price: $2.0 / 3.0

Type:Manufacturers

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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

(6R,7R)-7-Amino-8-oxo-3-(1-propenyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Cas:120709-09-3

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Hubei DiBo chemical co., LTD

Name: 7-APRA CAS NO:120709-09-3 Grade:Agomelatine intermediate Product Quality 12 years of chemical raw materials Mature operation of the industry System stability Data storage Security without vulnerability Product Technology Strong tec

7-APRA CAS:120709-09-3 Chinese manufacturers high-quality

Cas:120709-09-3

Min.Order:25 Kilogram

FOB Price: $1.0 / 2.0

Type:Other

inquiry

Henan Tianfu Chemical Co., Ltd.

Our company engages in Sodium Tripolyphosphate (STPP) and Sodium Hexametabphosphate (SHMP) production; development of noble metal catalysts, synthesis of electronic chemical materials and general chemicals Imp&Exp trading business. The company

TIANFU-CHEM - (6R,7R)-7-Amino-8-oxo-3-(1-propenyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Cas:120709-09-3

Min.Order:1 Kilogram

FOB Price: $1000.0

Type:Lab/Research institutions

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

Our 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

(6R,7R)-7-Amino-8-oxo-3-(1-propenyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid CAS 120709-09-3

Cas:120709-09-3

Min.Order:1 Kilogram

FOB Price: $1.0 / 10.0

Type:Trading Company

inquiry

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

New production CAS 120709-09-3 with best quality

Cas:120709-09-3

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

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

(6R,7R)-7-Amino-8-oxo-3-(1-propenyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Cas:120709-09-3

Min.Order:10 Kilogram

FOB Price: $180.0 / 200.0

Type:Trading Company

inquiry

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 We can also provide MT1 peptide powd

(6R,7R)-7-Amino-8-oxo-3-(1-propenyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Cas:120709-09-3

Min.Order:1 Kilogram

FOB Price: $100.0 / 102.0

Type:Trading Company

inquiry

Henan Sinotech Import&Export Corporation

Name: (6R,7R)-7-Amino-8-oxo-3-(1-propenyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid Synonyms: 7-APRA CAS: 120709-09-3 MF: C10H12N2O3S Appearance: white powder Storage:Store in cool and dry place, away from sun light. Package: 25kgs

(6R,7R)-7-Amino-8-oxo-3-(1-propenyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Cas:120709-09-3

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

inquiry

Hubei Langyou International Trading Co., Ltd

Advantages: 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 service is

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

5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylicacid, 7-amino-8-oxo-3-(1-propen-1-yl)-, (6R,7R)- 120709-09-3

Cas:120709-09-3

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Minstar Chemical Co., Ltd

Product Name: (6R,7R)-7-Amino-8-oxo-3-(1-propenyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid Synonyms: 7-apra;5-THIA-1-AZABICYCLO[4.2.0]OCT-2-ENE-2-CARBOXYLIC ACID, 7-AMINO-8-OXO-3-(1-PROPENYL)-, (6R,7R)-;(6R,7R)-7-AMINO-8-OXO-3-(1-

(6R,7R)-7-Amino-8-oxo-3-(1-propenyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Cas:120709-09-3

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Qingdao Beluga Import and Export Co., LTD

(6R,7R)-7-Amino-8-oxo-3-(1-propenyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid CAS:120709-09-3 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and tra

(6R,7R)-7-Amino-8-oxo-3-(1-propenyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid CAS:120709-09-3

Cas:120709-09-3

Min.Order:1 Gram

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

5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylicacid, 7-amino-8-oxo-3-(1-propen-1-yl)-, (6R,7R)-

Cas:120709-09-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Triumph International Development Limilted

Appearance:white or light yellow crystalline powder 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:By

7-APRA

Cas:120709-09-3

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

inquiry

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

(6R,7R)-7-Amino-8-oxo-3-(1-propenyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Cas:120709-09-3

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Afine Chemicals Limited

Company 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

7-APRA 7-APCA

Cas:120709-09-3

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

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

(6R,7R)-7-Amino-8-oxo-3-(1-propenyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Cas:120709-09-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

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

(6R,7R)-7-Amino-8-oxo-3-(1-propenyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Cas:120709-09-3

Min.Order:4 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

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

ProName: (6R,7R)-7-Amino-8-oxo-3-(1-propenyl)-5... CasNo: 120709-09-3 Molecular Formula: C10H12N2O3 S Appearance: detailed see specifications Application: It is an important raw material and in... DeliveryTime: prompt PackAge: according to t

(6R,7R)-7-Amino-8-oxo-3-(1-propenyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid CAS NO.120709-09-3

Cas:120709-09-3

Min.Order:1 Gram

FOB Price: $6.0 / 9.0

Type:Trading Company

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 7-Apra

Cas:120709-09-3

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

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 providing h

Factory Supply 7-APRA

Cas:120709-09-3

Min.Order:0

Negotiable

Type:Other

inquiry

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

(6R,7R)-7-Amino-8-oxo-3-(1-propenyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Cas:120709-09-3

Min.Order:100 Gram

FOB Price: $100.0 / 2000.0

Type:Lab/Research institutions

inquiry

HANGZHOU YUNUO CHEMICAL CO.,LTD

Superior quality, moderate price & quick delivery. Appearance:White or almost white crystalline powder Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:as per your request Application:Used as Pharmaceutical

6R,7R)-7-Amino-8-oxo-3-(1-propenyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Cas:120709-09-3

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

TaiChem Taizhou Limited

Established in May 2015, TaiChem Ltd. is initially invested by a British research and development company and started by PhDs back from aboard. The company is registered in China Medical City (CMC), Taizhou, Jiangsu Province, and the production site

(6R,7R)-7-Amino-8-oxo-3-(1-propenyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Cas:120709-09-3

Min.Order:10 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Zibo Dorne chemical technology co. LTD

Product 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,

(6R,7R)-7-Amino-8-oxo-3-(1-propenyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Cas:120709-09-3

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Siwei Development Group Ltd.

Product name: 7-APRA CAS No.: 120709-09-3 Molecule Formula:C10H12N2O3S Molecule Weight:240.28 Purity: 99.0% Package: 25kg/drum Description:White crystalline powder Manufacture Standards:Enterprise Standard TESTING

Lower Price 7-APRA

Cas:120709-09-3

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Wuhan Kemi-Works Chemical Co., Ltd

ISO9001 Exporting Japan, Korea regularly. 1.We have been specializing in special fine chemical for long, with strong R&D strength. 2.ISO9001. 3.We have been cooperating with oversea from Europe, USA, Korea, Japan etc... Appearance:off

Synthetic route

acetaldehyde
75-07-0

acetaldehyde

7-Aminocephalosporanic acid
957-68-6

7-Aminocephalosporanic acid

(6R,7R)-7-amino-3-(propen-1-yl)-3-cephem-4-carboxylic acid
120709-09-3

(6R,7R)-7-amino-3-(propen-1-yl)-3-cephem-4-carboxylic acid

Conditions
ConditionsYield
Stage #1: 7-Aminocephalosporanic acid With pyridine; 1,1,1,3,3,3-hexamethyl-disilazane In benzene for 2h; Inert atmosphere; Reflux;
Stage #2: With trimethylsilyl iodide In benzene at 0℃; for 1h;
Stage #3: acetaldehyde Reagent/catalyst; Further stages;
84.24%
(6R,7R)-7-amino-3-(propen-1-yl)-3-cephem-4-carboxylic acid
120709-09-3

(6R,7R)-7-amino-3-(propen-1-yl)-3-cephem-4-carboxylic acid

D-2-p-hydroxyphenylglycine methyl ester
37763-23-8

D-2-p-hydroxyphenylglycine methyl ester

7-[2-amino-2-(4-hydroxyphenyl)acetamido]-3-(propen-1-yl)-3-cephem-4-carboxylic acid
92665-29-7

7-[2-amino-2-(4-hydroxyphenyl)acetamido]-3-(propen-1-yl)-3-cephem-4-carboxylic acid

Conditions
ConditionsYield
Stage #1: (7R,8R)-7-amino-3-[propen-1-yl]-3-cephem-4-carboxylic acid With penicillin acylase at 30 - 35℃; for 0.5h; pH=7; Enzymatic reaction;
Stage #2: D-2-p-hydroxyphenylglycine methyl ester With sodium lauryl sulfate In 1,4-dioxane at 30 - 35℃; for 2h; Reagent/catalyst;
97.74%
(6R,7R)-7-amino-3-(propen-1-yl)-3-cephem-4-carboxylic acid
120709-09-3

(6R,7R)-7-amino-3-(propen-1-yl)-3-cephem-4-carboxylic acid

((R)-(2-ethoxycarbonyl-1-methyl-vinylamino)-(4-hydroxyphenyl)-acetyloxy)-(triphenyl)phosphonium chloride

((R)-(2-ethoxycarbonyl-1-methyl-vinylamino)-(4-hydroxyphenyl)-acetyloxy)-(triphenyl)phosphonium chloride

A

cefprozil
121412-77-9

cefprozil

B

E-cefprozil
92676-86-3

E-cefprozil

Conditions
ConditionsYield
Stage #1: (7R,8R)-7-amino-3-[propen-1-yl]-3-cephem-4-carboxylic acid; ((R)-(2-ethoxycarbonyl-1-methyl-vinylamino)-(4-hydroxyphenyl)-acetyloxy)-(triphenyl)phosphonium chloride With triethylamine In dichloromethane; water at -40 - 0℃; for 3h;
Stage #2: With hydrogenchloride In dichloromethane; water for 1h;
Stage #3: With sodium hydroxide In dichloromethane; water at 0℃; for 2h; pH=3.2;
Stage #1: (7R,8R)-7-amino-3-[propen-1-yl]-3-cephem-4-carboxylic acid; ((R)-(2-ethoxycarbonyl-1-methyl-vinylamino)-(4-hydroxyphenyl)-acetyloxy)-(triphenyl)phosphonium chloride With triethylamine In ISOPROPYLAMIDE; water at -40 - 0℃; for 3h;
Stage #2: With hydrogenchloride In ISOPROPYLAMIDE; water for 1h;
Stage #3: With sodium hydroxide In ISOPROPYLAMIDE; water at 0℃; for 2h; pH=3.2;
(6R,7R)-7-amino-3-(propen-1-yl)-3-cephem-4-carboxylic acid
120709-09-3

(6R,7R)-7-amino-3-(propen-1-yl)-3-cephem-4-carboxylic acid

A

cefprozil
121412-77-9

cefprozil

B

E-cefprozil
92676-86-3

E-cefprozil

Conditions
ConditionsYield
Stage #1: potassium (R)-(2-ethoxycarbonyl-1-methyl-vinylamino)-(4-hydroxyphenyl)-acetate With pyridine; pivaloyl chloride In DMF (N,N-dimethyl-formamide); dichloromethane at -30℃; for 2h;
Stage #2: (7R,8R)-7-amino-3-[propen-1-yl]-3-cephem-4-carboxylic acid With triethylamine In DMF (N,N-dimethyl-formamide); dichloromethane; water at -40 - 0℃; for 3h;
(6R,7R)-7-amino-3-(propen-1-yl)-3-cephem-4-carboxylic acid
120709-09-3

(6R,7R)-7-amino-3-(propen-1-yl)-3-cephem-4-carboxylic acid

C12H17NO5

C12H17NO5

C22H27N3O7S

C22H27N3O7S

Conditions
ConditionsYield
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 20℃; for 3h;

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