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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

Wholesale price CAS 129630-19-9 with best price

Cas:129630-19-9

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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

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

Xiamen Jenny Chemical Technology Co., Ltd.

GMP standard, high purity, competitive price, in stock 1. Quick Response: within 6 hours after receiving your email. 2. Quality Guarantee: All products are strictly tested by our QC, confirmed by QA, and approved by a third-party lab in China, USA,

Pyraflufen-ethyl

Cas:129630-19-9

Min.Order:1 Milligram

Negotiable

Type:Trading Company

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TAIZHOU ZHENYU BIOTECHNOLOGY CO., LTD

Zhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice. pls contact with us freely for getting detailed

POTASSIUM TELLURATE

Cas:129630-19-9

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Lab/Research institutions

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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

POTASSIUM TELLURATE

Cas:129630-19-9

Min.Order:0

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Type:Lab/Research institutions

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Shanghai Acmec Biochemical Technology Co., Ltd.

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

Acmec Pyraflufen-ethyl P91240 100mg

Cas:129630-19-9

Min.Order:1 bottle

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Hangzhou J&H Chemical Co., Ltd.

J&H CHEM is one of China's leading providers of integrated fine chemical services including offering, research and development, Custom manufacturing business, as well as other Value-added customer services, for diversified range products of chemicals

POTASSIUM TELLURATE

Cas:129630-19-9

Min.Order:0

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Xi`an Eastling Biotech Co., Ltd.

high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:Beijing or Guangzhou

POTASSIUM TELLURATE

Cas:129630-19-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

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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.

Antimex Chemical Limied

factory?direct?sale Application:healing drugs

Guangdong Juda Chemical Industrial Co.,Limited

Factory supply high purity low priceAppearance:solid or liquid Storage:sealed in cool and dry place Package:As customer's requested Application:Pharma Intermediate Transportation:by courier/air/sea Port:Any port in China

herbicide Pyraflufen-ethyl CAS No.129630-19-9

Cas:129630-19-9

Min.Order:0

Negotiable

Type:Trading Company

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Shanghai Yuanye Bio-Technology Co., Ltd.

good quality, competitive price, thoughtful after sale serviceAppearance:white powder Storage:Keep it in dry,shady and cool place Package:1.2ml Application:Pharma;Industry;Agricultural;chemical reaserch Transportation:by express or by sea Port:Any po

Potassium Tellurate

Cas:129630-19-9

Min.Order:0

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Shanghai Chinqesen Biotechnology Co., Ltd.

Good Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen

129630-19-9

Cas:129630-19-9

Min.Order:0

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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

POTASSIUM TELLURATE

Cas:129630-19-9

Min.Order:0

Negotiable

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Shanghai Sunwise Chemical Co., Ltd

ISO 9001 Certified We implement ISO management throughout our day to day operation. Since we started ISO system in Year 2008, we improve each year to implement the management system in details of each supplying process. This helps us to provi

HENAN SUNLAKE ENTERPRISE CORPORATION

Our company is a professional production leading factory in China in pharmaceutical area of many years,our products have exported to USA, Greece, Spain, UK, Australia and other countries, and we have got very good feedback from our cust

free samples 129630-19-9 NO.1 factory

Cas:129630-19-9

Min.Order:100 Kilogram

Negotiable

Type:Trading Company

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U-Chemo Holding Co.,Limited

U-CHEMO is a high-tech enterprise taking pharmaceutical intermediates and fine chemicals as main products. We pay high attention on product quality and apply quality management in the whole manufacturing process from research to production. In additi

Pyraflufen-ethyl

Cas:129630-19-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Wuhan Yitongtai Science and Technology Co.,Ltd.

Manufactuer, Tech grade, competitive price, fast delivery, and superior services Appearance:solid Storage:in cool dry container Package:bucket/bottle Application:herbicide Transportation:FOB, by sea or by air Port:Shanghai

Manufactuer POTASSIUM TELLURATE(CAS#129630-19-9)

Cas:129630-19-9

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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Synthetic route

ethanol
64-17-5

ethanol

3-{4-chloro-2-fluoro-5-(N-methylcarbamoylmethoxy)phenyl}-5-difluoromethoxy-1-methylpyrazole

3-{4-chloro-2-fluoro-5-(N-methylcarbamoylmethoxy)phenyl}-5-difluoromethoxy-1-methylpyrazole

1-methyl-3-[2-fluoro-4-chloro-5-(ethoxycarbonylmethoxy)phenyl]-4-chloro-5-difluoromethoxypyrazole
129630-19-9

1-methyl-3-[2-fluoro-4-chloro-5-(ethoxycarbonylmethoxy)phenyl]-4-chloro-5-difluoromethoxypyrazole

Conditions
ConditionsYield
Stage #1: 3-{4-chloro-2-fluoro-5-(N-methylcarbamoylmethoxy)phenyl}-5-difluoromethoxy-1-methylpyrazole With sulfuryl dichloride; acetic acid In chlorobenzene at 40℃; for 1h;
Stage #2: ethanol With sulfuric acid In chlorobenzene at 100℃; for 9h;
85.5%
ethyl 3-(4-chloro-2-fluoro-5-(N-methylcarbamoylmethoxy)phenyl)acrylate

ethyl 3-(4-chloro-2-fluoro-5-(N-methylcarbamoylmethoxy)phenyl)acrylate

1-methyl-3-[2-fluoro-4-chloro-5-(ethoxycarbonylmethoxy)phenyl]-4-chloro-5-difluoromethoxypyrazole
129630-19-9

1-methyl-3-[2-fluoro-4-chloro-5-(ethoxycarbonylmethoxy)phenyl]-4-chloro-5-difluoromethoxypyrazole

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1.1: bromine / chlorobenzene / 1 h / 50 °C
2.1: chlorobenzene; methanol / 1 h / 40 °C
3.1: hydrogenchloride / ethanol; water / 2 h / 60 °C
3.2: 2 h / 60 - 80 °C
4.1: tetrabutyl-ammonium chloride; sodium hydroxide / acetonitrile / 5 h / 20 °C
5.1: acetic acid; sulfuryl dichloride / chlorobenzene / 1 h / 40 °C
5.2: 9 h / 100 °C
View Scheme
Multi-step reaction with 6 steps
1.1: bromine / chlorobenzene / 1 h / 50 °C
2.1: triethylamine / chlorobenzene / 1.5 h / 40 - 70 °C
3.1: methanol / 1 h / 40 °C
4.1: hydrogenchloride / ethanol; water / 2 h / 60 °C
4.2: 2 h / 60 - 80 °C
5.1: tetrabutyl-ammonium chloride; sodium hydroxide / acetonitrile / 5 h / 20 °C
6.1: acetic acid; sulfuryl dichloride / chlorobenzene / 1 h / 40 °C
6.2: 9 h / 100 °C
View Scheme
ethyl 2,3-dibromo-3-{4-chloro-2-fluoro-5-(N-methylcarbamoylmethoxy)phenyl}propionate

ethyl 2,3-dibromo-3-{4-chloro-2-fluoro-5-(N-methylcarbamoylmethoxy)phenyl}propionate

1-methyl-3-[2-fluoro-4-chloro-5-(ethoxycarbonylmethoxy)phenyl]-4-chloro-5-difluoromethoxypyrazole
129630-19-9

1-methyl-3-[2-fluoro-4-chloro-5-(ethoxycarbonylmethoxy)phenyl]-4-chloro-5-difluoromethoxypyrazole

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1.1: chlorobenzene; methanol / 1 h / 40 °C
2.1: hydrogenchloride / ethanol; water / 2 h / 60 °C
2.2: 2 h / 60 - 80 °C
3.1: tetrabutyl-ammonium chloride; sodium hydroxide / acetonitrile / 5 h / 20 °C
4.1: acetic acid; sulfuryl dichloride / chlorobenzene / 1 h / 40 °C
4.2: 9 h / 100 °C
View Scheme
Multi-step reaction with 5 steps
1.1: triethylamine / chlorobenzene / 1.5 h / 40 - 70 °C
2.1: methanol / 1 h / 40 °C
3.1: hydrogenchloride / ethanol; water / 2 h / 60 °C
3.2: 2 h / 60 - 80 °C
4.1: tetrabutyl-ammonium chloride; sodium hydroxide / acetonitrile / 5 h / 20 °C
5.1: acetic acid; sulfuryl dichloride / chlorobenzene / 1 h / 40 °C
5.2: 9 h / 100 °C
View Scheme
ethyl 3-methoxy-3-{4-chloro-2-fluoro-5-(N-methylcarbamoylmethoxy)phenyl}acrylate

ethyl 3-methoxy-3-{4-chloro-2-fluoro-5-(N-methylcarbamoylmethoxy)phenyl}acrylate

1-methyl-3-[2-fluoro-4-chloro-5-(ethoxycarbonylmethoxy)phenyl]-4-chloro-5-difluoromethoxypyrazole
129630-19-9

1-methyl-3-[2-fluoro-4-chloro-5-(ethoxycarbonylmethoxy)phenyl]-4-chloro-5-difluoromethoxypyrazole

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: hydrogenchloride / ethanol; water / 2 h / 60 °C
1.2: 2 h / 60 - 80 °C
2.1: tetrabutyl-ammonium chloride; sodium hydroxide / acetonitrile / 5 h / 20 °C
3.1: acetic acid; sulfuryl dichloride / chlorobenzene / 1 h / 40 °C
3.2: 9 h / 100 °C
View Scheme
ethyl 2-bromo-3-{4-chloro-2-fluoro-5-(N-methylcarbamoylmethoxy)phenyl}acrylate

ethyl 2-bromo-3-{4-chloro-2-fluoro-5-(N-methylcarbamoylmethoxy)phenyl}acrylate

1-methyl-3-[2-fluoro-4-chloro-5-(ethoxycarbonylmethoxy)phenyl]-4-chloro-5-difluoromethoxypyrazole
129630-19-9

1-methyl-3-[2-fluoro-4-chloro-5-(ethoxycarbonylmethoxy)phenyl]-4-chloro-5-difluoromethoxypyrazole

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1.1: methanol / 1 h / 40 °C
2.1: hydrogenchloride / ethanol; water / 2 h / 60 °C
2.2: 2 h / 60 - 80 °C
3.1: tetrabutyl-ammonium chloride; sodium hydroxide / acetonitrile / 5 h / 20 °C
4.1: acetic acid; sulfuryl dichloride / chlorobenzene / 1 h / 40 °C
4.2: 9 h / 100 °C
View Scheme
3-{4-chloro-2-fluoro-5-(N-methylcarbamoylmethoxy)phenyl}-1-methylpyrazol-5-ol

3-{4-chloro-2-fluoro-5-(N-methylcarbamoylmethoxy)phenyl}-1-methylpyrazol-5-ol

1-methyl-3-[2-fluoro-4-chloro-5-(ethoxycarbonylmethoxy)phenyl]-4-chloro-5-difluoromethoxypyrazole
129630-19-9

1-methyl-3-[2-fluoro-4-chloro-5-(ethoxycarbonylmethoxy)phenyl]-4-chloro-5-difluoromethoxypyrazole

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: tetrabutyl-ammonium chloride; sodium hydroxide / acetonitrile / 5 h / 20 °C
2.1: acetic acid; sulfuryl dichloride / chlorobenzene / 1 h / 40 °C
2.2: 9 h / 100 °C
View Scheme
5-bromo-2-chloro-4-fluorophenyl methyl carbonate
146447-08-7

5-bromo-2-chloro-4-fluorophenyl methyl carbonate

1-methyl-3-[2-fluoro-4-chloro-5-(ethoxycarbonylmethoxy)phenyl]-4-chloro-5-difluoromethoxypyrazole
129630-19-9

1-methyl-3-[2-fluoro-4-chloro-5-(ethoxycarbonylmethoxy)phenyl]-4-chloro-5-difluoromethoxypyrazole

Conditions
ConditionsYield
Multi-step reaction with 7 steps
1.1: sodium hydroxide / ethanol / 10 h / 20 °C
2.1: tetrabutylammomium bromide; palladium diacetate; sodium hydrogencarbonate / N,N-dimethyl-formamide / 4 h / 120 °C / Inert atmosphere
3.1: bromine / chlorobenzene / 1 h / 50 °C
4.1: chlorobenzene; methanol / 1 h / 40 °C
5.1: hydrogenchloride / ethanol; water / 2 h / 60 °C
5.2: 2 h / 60 - 80 °C
6.1: tetrabutyl-ammonium chloride; sodium hydroxide / acetonitrile / 5 h / 20 °C
7.1: acetic acid; sulfuryl dichloride / chlorobenzene / 1 h / 40 °C
7.2: 9 h / 100 °C
View Scheme
Multi-step reaction with 8 steps
1.1: sodium hydroxide / ethanol / 10 h / 20 °C
2.1: tetrabutylammomium bromide; palladium diacetate; sodium hydrogencarbonate / N,N-dimethyl-formamide / 4 h / 120 °C / Inert atmosphere
3.1: bromine / chlorobenzene / 1 h / 50 °C
4.1: triethylamine / chlorobenzene / 1.5 h / 40 - 70 °C
5.1: methanol / 1 h / 40 °C
6.1: hydrogenchloride / ethanol; water / 2 h / 60 °C
6.2: 2 h / 60 - 80 °C
7.1: tetrabutyl-ammonium chloride; sodium hydroxide / acetonitrile / 5 h / 20 °C
8.1: acetic acid; sulfuryl dichloride / chlorobenzene / 1 h / 40 °C
8.2: 9 h / 100 °C
View Scheme
N-methyl-(5-bromo-2-chloro-4-fluorophenoxy)acetic acid amide

N-methyl-(5-bromo-2-chloro-4-fluorophenoxy)acetic acid amide

1-methyl-3-[2-fluoro-4-chloro-5-(ethoxycarbonylmethoxy)phenyl]-4-chloro-5-difluoromethoxypyrazole
129630-19-9

1-methyl-3-[2-fluoro-4-chloro-5-(ethoxycarbonylmethoxy)phenyl]-4-chloro-5-difluoromethoxypyrazole

Conditions
ConditionsYield
Multi-step reaction with 6 steps
1.1: tetrabutylammomium bromide; palladium diacetate; sodium hydrogencarbonate / N,N-dimethyl-formamide / 4 h / 120 °C / Inert atmosphere
2.1: bromine / chlorobenzene / 1 h / 50 °C
3.1: chlorobenzene; methanol / 1 h / 40 °C
4.1: hydrogenchloride / ethanol; water / 2 h / 60 °C
4.2: 2 h / 60 - 80 °C
5.1: tetrabutyl-ammonium chloride; sodium hydroxide / acetonitrile / 5 h / 20 °C
6.1: acetic acid; sulfuryl dichloride / chlorobenzene / 1 h / 40 °C
6.2: 9 h / 100 °C
View Scheme
Multi-step reaction with 7 steps
1.1: tetrabutylammomium bromide; palladium diacetate; sodium hydrogencarbonate / N,N-dimethyl-formamide / 4 h / 120 °C / Inert atmosphere
2.1: bromine / chlorobenzene / 1 h / 50 °C
3.1: triethylamine / chlorobenzene / 1.5 h / 40 - 70 °C
4.1: methanol / 1 h / 40 °C
5.1: hydrogenchloride / ethanol; water / 2 h / 60 °C
5.2: 2 h / 60 - 80 °C
6.1: tetrabutyl-ammonium chloride; sodium hydroxide / acetonitrile / 5 h / 20 °C
7.1: acetic acid; sulfuryl dichloride / chlorobenzene / 1 h / 40 °C
7.2: 9 h / 100 °C
View Scheme

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