Products

Refine

Country

Business Type

Certificate

Display

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

3-(2-Chloroethyl)-2-methyl-9-hydroxy-4H-pyrido[1,2-a]pyrimidin-4-one (Paliperidone) CAS:260273-82-3

Cas:260273-82-3

Min.Order:1 Kilogram

FOB Price: $8.0 / 15.0

Type:Trading Company

inquiry

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 according to the contract research and development services for the fine chemicals, ph

3-(2-Chloroethyl)-2-methyl-9-hydroxy-4H-pyrido[1,2-a]pyrimidin-4-one (paliperidone)

Cas:260273-82-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Qingdao Beluga Import and Export Co., LTD

3-(2-Chloroethyl)-2-methyl-9-hydroxy-4H-pyrido[1,2-a]pyrimidin-4-one (Paliperidone) CAS:260273-82-3 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of

3-(2-Chloroethyl)-2-methyl-9-hydroxy-4H-pyrido[1,2-a]pyrimidin-4-one (Paliperidone) CAS:260273-82-3

Cas:260273-82-3

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

4H-Pyrido[1,2-a]pyrimidin-4-one,3-(2-chloroethyl)-9-hydroxy-2-methyl-

Cas:260273-82-3

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

4H-Pyrido[1,2-a]pyrimidin-4-one,3-(2-chloroethyl)-9-hydroxy-2-methyl-

Cas:260273-82-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Zhejiang Huili Pharmaceutical Co., Ltd

ProName: 3-(2-Chloroethyl)-2-methyl-9-hydroxy-4... CasNo: 260273-82-3 Molecular Formula: C11H11ClN2O2 Appearance: Brown powder Application: It is an important raw material and in... DeliveryTime: Within seven days after payment PackAge: Accor

Paliperidone N-2

Cas:260273-82-3

Min.Order:1 Kilogram

Negotiable

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

3-(2-Chloroethyl)-2-methyl-9-hydroxy-4H-pyrido[1,2-a]pyrimidin-4-one (Paliperidone)

Cas:260273-82-3

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

Hangzhou Huarong Pharm Co., Ltd.

Hangzhou Huarong Pharm Co., Ltd.established since 2006 , has been actively developing specialty products for Finished Dosages, APIs, Intermediates, and Fine chemicals markets in North America, Europe, Korea, Japan, Mid-East and all over the World. Hu

3-(2-chloroethyl)-9-hydroxy-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one

Cas:260273-82-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

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

260273-82-3 CAS NO.260273-82-3

Cas:260273-82-3

Min.Order:1 Metric Ton

FOB Price: $7.0 / 8.0

Type:Trading Company

inquiry

Win-Win chemical Co.Ltd

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

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.

4H-Pyrido[1,2-a]pyrimidin-4-one,3-(2-chloroethyl)-9-hydroxy-2-methyl-

Cas:260273-82-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

BOC Sciences

We are committed to providing our customers with the best products and services at the most competitive prices.Appearance:beige crystalline powder Storage:Room temperature with sealed well Package:according to the clients requirement Application:Use

3-(2-Chloroethyl)-2-methyl-9-hydroxy-4H-pyrido[1,2-a]pyrimidin-4-one (Paliperidone)

Cas:260273-82-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

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

4H-Pyrido[1,2-a]pyrimidin-4-one,3-(2-chloroethyl)-9-hydroxy-2-methyl-

Cas:260273-82-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Changchun Artel lmport and Export trade company

Supply top quality products with a reasonable price Application:api

260273-82-3

Cas:260273-82-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hangzhou Fandachem Co.,Ltd

3-(2-CHLOROETHYL)-2-METHYL-9-HYDROXY-4H-PYRIDO[1,2-A]PYRIMIDIN-4-ONE (PALIPERIDONE)Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by expres

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

3-(2-Chloroethyl)-2-methyl-9-hydroxy-4H-pyrido[1,2-a]pyrimidin-4-one (Paliperidone)

Cas:260273-82-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Chinqesen Biotechnology Co., Ltd.

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

260273-82-3

Cas:260273-82-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

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

3-(2-Chloroethyl)-2-methyl-9-hydroxy-4H-pyrido[1,2-a]pyrimidin-4-one (Paliperidone)

Cas:260273-82-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Jilin haofei import and export trade Co.,Ltd

Price, service, company and transport advantage: 1. Best service, place of origin China, high quality, and reasonable price. 2. It's customers' right to choose the package (EMS, DHL, FEDEX, UPS). 3. It's customers' right

260273-82-3 CAS NO.260273-82-3

Cas:260273-82-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Nanjing Chemlin Chemical Co., Ltd.

Compound sourcing ServicesAgency of testing serviceFactory audit serviceFounded in Dec. 1999, Nanjing Chemlin Chemical Industrial Co.,Ltd(CHEMLIN) has been covering the business scope from trading of chemicals to custom-synthesis & Manufacturing. Co

260273-82-3

Cas:260273-82-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Henan Wising Chem Co., Ltd

Henan Wising Chem specializes in sourcing chemicals in China. We are associated with many trusted manufacturers each having different areas of expertise required for meeting the needs of our local as well as overseas buyers. We have access to custom

3-(2-Chloroethyl)-2-methyl-9-hydroxy-4H-pyrido[1,2-a]pyrimidin-4-one (Paliperidone)

Cas:260273-82-3

Min.Order:5 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Yinghao Pharm Co.,Ltd.

Yinghao Pharm products include: leader molecule, heterocyclic compounds,chiral compounds, photoelectric materials, biochemical reagents etc. For example:benzene, pyrimidine, boricacid,pyridine, pyrazole, imidazole, pyrrole, fluorine and other derivat

3-(2-Chloroethyl)-2-methyl-9-hydroxy-4H-pyrido[1,2-a]pyrimidin-4-one (Paliperidone)

Cas:260273-82-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Forever Synthesis Co.,Ltd.

As a professional chemical R&D and synthesis supplier, Shanghai Forever Synthesis Co.,Ltd. is specialized R&D and synthesizing APIs and Impurities. Besides, we value more special service, that is, to customize chemical synthesis according t

Paliperidone Tetradehydro Chloroethyl Impurity

Cas:260273-82-3

Min.Order:10 Milligram

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai united Scientific Co.,Ltd.

United Scientific Company Located in Shanghai of China , is a competitive player in the global specialty and fine chemical market. Fenghua has both the expertise and flexibility to produce a wide range of chemicals. Focusing on developing the innovat

4H-Pyrido[1,2-a]pyrimidin-4-one,3-(2-chloroethyl)-9-hydroxy-2-methyl-

Cas:260273-82-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Nanjing Raymon Biotech Co., Ltd.

Paliperidone Impurity 1 Storage:Store in dry and cool condition Package:25kg or according to cutomer's demand Application:Chemical research/Pharmaceutical intermediates Transportation:By Sea,by Air,By courier like DHL or Fedx. Port:Shanghai/Shenzhen

Paliperidone Impurity 1

Cas:260273-82-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Topbatt Chemical Co., Ltd.

Topbatt Chemical Co., Ltd., Established in 2019, located in Shenzhen, Guangdong Province, is a Manufacturer and Trading company which specialized in fine chemicals like Pharmaceutical Reference Standards and Stable Isotopes. Our Stable Isotopes produ

Paliperidone Impurity 1

Cas:260273-82-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Finetech Industry Limited

High Quality Best Price Storage:Store in dry, dark and ventilated place Application:Chemical Synthesis Intermediate

FT-0704588

Cas:260273-82-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Debye Scientific

Debyesci is here who supplied several kinds of chemical products to global pharmaceutical, drug discovery, agrochemical and biotechnology industries for four yearsOur key scientific leadership team has gained experience in top research and developmen

3-(2-chlorophenoxy)benzenesulfonyl chloride

Cas:260273-82-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shenzhen Sumshine Biotech Co., Ltd.

1. Our staff are all biomedical related majors with rich experience in the pharmaceutical industry, and can provide you with more professional services.2. Our supplier has a good quality management system, and the quality of products is reliable and

Paliperidone Impurity 1

Cas:260273-82-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Synthetic route

3-acetyl-2-oxo-4,5-dihydrofuran
517-23-7

3-acetyl-2-oxo-4,5-dihydrofuran

2-amino-3-benzyloxypyridine
24016-03-3

2-amino-3-benzyloxypyridine

3-(2-chloroethyl)-2-methyl-9-hydroxy-4H-pyrido[1,2-a]pyrimidin-4-one
260273-82-3

3-(2-chloroethyl)-2-methyl-9-hydroxy-4H-pyrido[1,2-a]pyrimidin-4-one

Conditions
ConditionsYield
With ammonium hydroxide; trichlorophosphate In water; toluene
Stage #1: 2-amino-3-benzyloxypyridine With trichlorophosphate In toluene at 25 - 30℃;
Stage #2: 3-acetyl-2-oxo-4,5-dihydrofuran In toluene at 50 - 95℃;
Stage #3: With sodium hydroxide In dichloromethane; water pH=4.7 - 5.0;
Stage #1: 2-amino-3-benzyloxypyridine With trichlorophosphate In toluene
Stage #2: 3-acetyl-2-oxo-4,5-dihydrofuran In toluene at 90 - 95℃; for 7h;
Stage #3: With water In toluene at 90 - 95℃; for 1h; Product distribution / selectivity;
2-amino-3-hydroxypyridine
16867-03-1

2-amino-3-hydroxypyridine

3-acetyl-2-oxo-4,5-dihydrofuran
517-23-7

3-acetyl-2-oxo-4,5-dihydrofuran

3-(2-chloroethyl)-2-methyl-9-hydroxy-4H-pyrido[1,2-a]pyrimidin-4-one
260273-82-3

3-(2-chloroethyl)-2-methyl-9-hydroxy-4H-pyrido[1,2-a]pyrimidin-4-one

Conditions
ConditionsYield
With trichlorophosphate In water; toluene
Stage #1: 2-amino-3-hydroxypyridine; 3-acetyl-2-oxo-4,5-dihydrofuran With trichlorophosphate at 60 - 65℃; for 10h;
Stage #2: With ammonia In water pH=5.5;
9-(benzyloxy)-3-(2-chloroethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one
147687-17-0

9-(benzyloxy)-3-(2-chloroethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one

A

3-(2-chloroethyl)-9-hydroxy-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one
130049-82-0

3-(2-chloroethyl)-9-hydroxy-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one

B

3-(2-chloroethyl)-2-methyl-9-hydroxy-4H-pyrido[1,2-a]pyrimidin-4-one
260273-82-3

3-(2-chloroethyl)-2-methyl-9-hydroxy-4H-pyrido[1,2-a]pyrimidin-4-one

Conditions
ConditionsYield
With hydrogenchloride; hydrogen; 1% Pd/C In methanol; water at 25 - 30℃; under 735.572 - 1471.14 Torr; for 1h; Product distribution / selectivity; Autoclave;A 28.8 %Chromat.
B 62 %Chromat.
3-acetyl-2-oxo-4,5-dihydrofuran
517-23-7

3-acetyl-2-oxo-4,5-dihydrofuran

3-(2-chloroethyl)-2-methyl-9-hydroxy-4H-pyrido[1,2-a]pyrimidin-4-one
260273-82-3

3-(2-chloroethyl)-2-methyl-9-hydroxy-4H-pyrido[1,2-a]pyrimidin-4-one

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: toluene-4-sulfonic acid / xylene / 20.5 h / 25 - 142 °C
2: thionyl chloride / dichloromethane; N,N-dimethyl-formamide / 21 h / 38 - 43 °C
View Scheme
Multi-step reaction with 3 steps
1: toluene-4-sulfonic acid / xylene / 20.5 h / 25 - 142 °C
2: hydrogenchloride / isopropyl alcohol; methanol / 1 h / 60 - 65 °C / pH 1 - 3
3: ethylenediaminetetraacetic acid / water
View Scheme
9-hydroxy-3-hydroxyethyl-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one
181525-38-2

9-hydroxy-3-hydroxyethyl-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one

3-(2-chloroethyl)-2-methyl-9-hydroxy-4H-pyrido[1,2-a]pyrimidin-4-one
260273-82-3

3-(2-chloroethyl)-2-methyl-9-hydroxy-4H-pyrido[1,2-a]pyrimidin-4-one

Conditions
ConditionsYield
Stage #1: 9-hydroxy-3-hydroxyethyl-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one With thionyl chloride In dichloromethane; N,N-dimethyl-formamide at 38 - 43℃; for 21h;
Stage #2: With ammonia In water
Multi-step reaction with 2 steps
1: hydrogenchloride / isopropyl alcohol; methanol / 1 h / 60 - 65 °C / pH 1 - 3
2: ethylenediaminetetraacetic acid / water
View Scheme
2-amino-3-hydroxypyridine
16867-03-1

2-amino-3-hydroxypyridine

3-(2-chloroethyl)-2-methyl-9-hydroxy-4H-pyrido[1,2-a]pyrimidin-4-one
260273-82-3

3-(2-chloroethyl)-2-methyl-9-hydroxy-4H-pyrido[1,2-a]pyrimidin-4-one

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: toluene-4-sulfonic acid / xylene / 20.5 h / 25 - 142 °C
2: thionyl chloride / dichloromethane; N,N-dimethyl-formamide / 21 h / 38 - 43 °C
View Scheme
Multi-step reaction with 3 steps
1: toluene-4-sulfonic acid / xylene / 20.5 h / 25 - 142 °C
2: hydrogenchloride / isopropyl alcohol; methanol / 1 h / 60 - 65 °C / pH 1 - 3
3: ethylenediaminetetraacetic acid / water
View Scheme
3-(2-chloroethyl)-9-hydroxy-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one monohydrochloride
849727-62-4

3-(2-chloroethyl)-9-hydroxy-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one monohydrochloride

3-(2-chloroethyl)-2-methyl-9-hydroxy-4H-pyrido[1,2-a]pyrimidin-4-one
260273-82-3

3-(2-chloroethyl)-2-methyl-9-hydroxy-4H-pyrido[1,2-a]pyrimidin-4-one

Conditions
ConditionsYield
Stage #1: 3-(2-chloroethyl)-9-hydroxy-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one monohydrochloride With ethylenediaminetetraacetic acid In water
Stage #2: With sodium carbonate In water
3-(2-chloroethyl)-2-methyl-9-hydroxy-4H-pyrido[1,2-a]pyrimidin-4-one
260273-82-3

3-(2-chloroethyl)-2-methyl-9-hydroxy-4H-pyrido[1,2-a]pyrimidin-4-one

3-(2-chloroethyl)-9-hydroxy-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one
130049-82-0

3-(2-chloroethyl)-9-hydroxy-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one

Conditions
ConditionsYield
Stage #1: 3-(2-chloroethyl)-2-methyl-9-hydroxy-4H-pyrido[1,2-a]pyrimidin-4-one With hydrogenchloride; palladium 10% on activated carbon In ethanol; water Green chemistry;
Stage #2: With hydrogen In ethanol; water at 80℃; under 11251.1 Torr; Catalytic behavior; Solvent; Reagent/catalyst; Temperature; Pressure; Green chemistry;
99.32%
Stage #1: 3-(2-chloroethyl)-2-methyl-9-hydroxy-4H-pyrido[1,2-a]pyrimidin-4-one With hydrogen; palladium 10% on activated carbon In acetic acid at 25 - 30℃; under 2206.72 Torr;
Stage #2: With sodium hydroxide In dichloromethane; water pH=5.5 - 6.0; Product distribution / selectivity;
With hydrogen; palladium 10% on activated carbon In acetic acid at 35℃; under 735.572 - 2206.72 Torr; Product distribution / selectivity;
1,2,3,4-tetrahydrobenzofuro[3,2-c]pyridine
43213-61-2

1,2,3,4-tetrahydrobenzofuro[3,2-c]pyridine

3-(2-chloroethyl)-2-methyl-9-hydroxy-4H-pyrido[1,2-a]pyrimidin-4-one
260273-82-3

3-(2-chloroethyl)-2-methyl-9-hydroxy-4H-pyrido[1,2-a]pyrimidin-4-one

3-[2-(3,4-dihydro-1H-benzo[4,5]furo[3,2-c]pyridin-2-yl)-ethyl]-9-hydroxy-2-methyl-pyrido[1,2-a]pyrimidin-4-one

3-[2-(3,4-dihydro-1H-benzo[4,5]furo[3,2-c]pyridin-2-yl)-ethyl]-9-hydroxy-2-methyl-pyrido[1,2-a]pyrimidin-4-one

Conditions
ConditionsYield
With sodium carbonate In various solvent(s) Condensation; Heating;
3-(2-chloroethyl)-2-methyl-9-hydroxy-4H-pyrido[1,2-a]pyrimidin-4-one
260273-82-3

3-(2-chloroethyl)-2-methyl-9-hydroxy-4H-pyrido[1,2-a]pyrimidin-4-one

3-(2-chloroethyl)-6,7,8,9-tetrahydro-9-acetyloxy-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one
1117803-76-5

3-(2-chloroethyl)-6,7,8,9-tetrahydro-9-acetyloxy-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one

Conditions
ConditionsYield
With hydrogen; acetic anhydride; acetic acid; palladium In water
3-(2-chloroethyl)-2-methyl-9-hydroxy-4H-pyrido[1,2-a]pyrimidin-4-one
260273-82-3

3-(2-chloroethyl)-2-methyl-9-hydroxy-4H-pyrido[1,2-a]pyrimidin-4-one

3-(2-chloroethyl)-9-hydroxy-2-methyl-4H-pyrido-[1,2-a]pyrimidin-4-one hydrochloride

3-(2-chloroethyl)-9-hydroxy-2-methyl-4H-pyrido-[1,2-a]pyrimidin-4-one hydrochloride

Conditions
ConditionsYield
With hydrogenchloride In methanol pH=0 - 1;

Hot Products

Post buying leads

About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia

Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog

©2008 LookChem.com,License: ICP

NO.:Zhejiang16009103

complaints:service@lookchem.com Desktop View