We can provide GMP validation service that complies with SFDA, FDA, WHO and EU EMPA.Excellent registration team could help us easlily to register our products in different countries.If you and your customer are interested in some products or need C
Cas:51-52-5
Min.Order:1 Gram
Negotiable
Type:Manufacturers
inquiry1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; ...... Appearance:White or almost white powder Storage:Refrigerator Package:1kg
Cas:51-52-5
Min.Order:0 Metric Ton
Negotiable
Type:Trading Company
inquiryThe 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
1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s
Cas:51-52-5
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
inquiryShanghai Seasonsgreen Chemical is a high-tech research and development, production, sale and custom synthesis set in one high-tech chemical products enterprises. Our sales and marketing division is located in Shanghai, serving international pharmaceu
Cas:51-52-5
Min.Order:1 Kilogram
FOB Price: $1.0
Type:Manufacturers
inquiryAs 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
Cas:51-52-5
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryOur 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
Cas:51-52-5
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryName:4-Hydroxy-2-mercapto-6-propylpyrimidine CAS no: 51-52-5 Grade:Medical, scientific research, export Molecular formula:C7H10N2OS Molecular weight:170.2321 Product Quality 12 years of chemical raw materials Mature operation of the industr
Cas:51-52-5
Min.Order:25 Kilogram
FOB Price: $1.0 / 3.0
Type:Other
inquiryOur advantages: 1. All inquiries will be replied within 12 hours. 2. Dedication to quality, supply & service. 3. Strictly on selecting raw materials. 4. Reasonable & competitive price, fast lead time. 5. Sample is available for your eva
Cas:51-52-5
Min.Order:1 Kilogram
FOB Price: $9.0 / 99.0
Type:Trading Company
inquiryWITH 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
Cas:51-52-5
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiryOur 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
Cas:51-52-5
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
inquiry1. 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
Cas:51-52-5
Min.Order:1 Kilogram
FOB Price: $7.0 / 9.0
Type:Trading Company
inquiryName: Propylthiouracil CAS:51-52-5 MF: C7H10N2OS Appearance:White Powder Storage:Store in cool and dry place, away from sun light. Package:25kg Application:API Transportation:By sea or by air Port:Qingdao Port
1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; Appearance:powder Storage:Store in sealed containers at cool & dry pla
Cas:51-52-5
Min.Order:100 Gram
Negotiable
Type:Other
inquiryHanways chempharm is a specialized company concentrating on the R&D, production, marketing and technical service of APIs and pharmaceutical intermediates. The marketing department is located in Wuhan. We have two GMP facilities in Hubei Pr
Cas:51-52-5
Min.Order:1 Kilogram
FOB Price: $200.0 / 400.0
Type:Trading Company
inquiry1.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
Cas:51-52-5
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryOur company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At present
Cas:51-52-5
Min.Order:1 Kilogram
FOB Price: $70.0 / 78.0
Type:Trading Company
inquiryPropylthiouracil CAS:51-52-5 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality organic intermediat
Cas:51-52-5
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryHello, 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
Cas:51-52-5
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryAdvantage : LIDE PHARMACEUTICALS LTD. is a mid-small manufacturing-type enterprise, engaged in pharmaceutical intermediates of R&D, custom-made and production, and also involving trading chemicals for export. We have established the R&
Cas:51-52-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryHebei Mojin Biological Technology Co., Ltd. is specialize in the production of chemical raw materials and reagents,located in Shijiazhuang, Hebei Province. In recent decades, under the efforts of all staff, in Shandong, Henan, Guangdong and many othe
Cas:51-52-5
Min.Order:1 Kilogram
FOB Price: $20.0 / 40.0
Type:Trading Company
inquiryHenan 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
Cas:51-52-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryHangzhou 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
Cas:51-52-5
Min.Order:0 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryCompany 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
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
Our advantages: 1, High quality with competitive price: 1) Standard:BP/USP/EP/Enterprise standard 2) All Purity≥99% 3) We are manufacturer and can provide high quality products with factory price. 2, Fast and safe delivery 1) Parcel can be
APIs Best price; High Quality; Superior Service; Fast delivery. Appearance:White crystalline powder Storage:Stored in a cool & dried place Package:25kg/fiber drum or according to your requirements Application:Pharmaceutical Material Por
Cas:51-52-5
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryZibo 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
Cas:51-52-5
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryWe 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
Cas:51-52-5
Min.Order:100 Gram
FOB Price: $100.0 / 2000.0
Type:Lab/Research institutions
inquirySuperior quality, moderate price & quick delivery. Appearance:white crystalline powder Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:1kg/bag, 1kg/drum or 25kg/drum or as per your request. Application:ant
Conditions | Yield |
---|---|
Reflux; | 81% |
With potassium hydroxide In ethanol at 80℃; for 5h; | 41% |
With sodium ethanolate |
Conditions | Yield |
---|---|
With potassium carbonate In water at 70 - 105℃; for 3h; | 78% |
With sodium ethanolate In ethanol at 100℃; Inert atmosphere; | 33% |
Heating; |
Conditions | Yield |
---|---|
In toluene for 1h; Reflux; | 94% |
propylthiouracil
1,1,3,3-tetramethylbutane isonitrile
dimethyl acetylenedicarboxylate
Conditions | Yield |
---|---|
In toluene for 1h; Reflux; | 93% |
propylthiouracil
2,6-dimethylphenyl isonitrile
acetylenedicarboxylic acid diethyl ester
Conditions | Yield |
---|---|
In toluene for 1h; Reflux; | 93% |
propylthiouracil
2,6-dimethylphenyl isonitrile
dimethyl acetylenedicarboxylate
Conditions | Yield |
---|---|
In toluene for 1h; Reflux; | 92% |
propylthiouracil
tert-butylisonitrile
chloroacetic acid
acetone
benzylamine
2-(N-benzyl-2-((6-oxo-4-propyl-1,6-dihydropyrimidin-2-yl)thio)acetamido)-N-(tert-butyl)-2-methylpropanamide
Conditions | Yield |
---|---|
Stage #1: propylthiouracil; chloroacetic acid at 20℃; for 0.5h; Ionic liquid; Stage #2: acetone; benzylamine at 20℃; for 0.25h; Ugi condensation; Ionic liquid; Stage #3: tert-butylisonitrile at 20℃; for 5h; Ugi condensation; Ionic liquid; | 90% |
propylthiouracil
Cyclohexyl isocyanide
chloroacetic acid
acetone
benzylamine
2-(N-benzyl-2-((6-oxo-4-propyl-1,6-dihydropyrimidin-2-yl)thio)acetamido)-N-cyclohexyl-2-methylpropanamide
Conditions | Yield |
---|---|
Stage #1: propylthiouracil; chloroacetic acid at 20℃; for 0.5h; Ionic liquid; Stage #2: acetone; benzylamine at 20℃; for 0.25h; Ugi condensation; Ionic liquid; Stage #3: Cyclohexyl isocyanide at 20℃; for 5h; Ugi condensation; Ionic liquid; | 89% |
Conditions | Yield |
---|---|
With octyl methyl imidazolium bromide for 6h; Heating; Green chemistry; | 89% |
Conditions | Yield |
---|---|
With laccase from Agaricus bisporus In aq. phosphate buffer; ethanol at 20℃; for 13h; pH=6; Green chemistry; Enzymatic reaction; chemoselective reaction; | 88% |
propylthiouracil
Cyclohexyl isocyanide
acetylenedicarboxylic acid diethyl ester
Conditions | Yield |
---|---|
In toluene for 1h; Reflux; | 87% |
propylthiouracil
2-bromo-N-[4-(4-chloro-phenyl)-1,3-thiazol-2-yl]-acetamide
Conditions | Yield |
---|---|
With potassium phosphate; sodium iodide In N,N-dimethyl-formamide at 60℃; for 1h; | 87% |
propylthiouracil
Cyclohexyl isocyanide
Chloro-phenyl-acetic acid
acetone
Conditions | Yield |
---|---|
With octyl methyl imidazolium bromide at 30℃; for 6h; Green chemistry; | 87% |
propylthiouracil
6-propyl(1H,3H)pyrimidine-2,4-dione
Conditions | Yield |
---|---|
With chloroacetic acid In water for 5h; Heating; | 86% |
With chloroacetic acid | |
With chloroacetic acid Heating; | |
With chloroacetic acid |
Conditions | Yield |
---|---|
With triethylamine In toluene at 20℃; for 0.166667h; | 85% |
propylthiouracil
Cyclohexyl isocyanide
cyclohexanone
chloroacetic acid
benzylamine
1-(N-benzyl-2-((6-oxo-4-propyl-1,6-dihydropyrimidin-2-yl)thio)acetamido)-N-cyclohexylcyclohexanecarboxamide
Conditions | Yield |
---|---|
Stage #1: propylthiouracil; chloroacetic acid at 20℃; for 0.5h; Ionic liquid; Stage #2: cyclohexanone; benzylamine at 20℃; for 0.25h; Ugi condensation; Ionic liquid; Stage #3: Cyclohexyl isocyanide at 20℃; for 5h; Ugi condensation; Ionic liquid; | 85% |
propylthiouracil
1,1,3,3-tetramethylbutane isonitrile
acetylenedicarboxylic acid diethyl ester
Conditions | Yield |
---|---|
In toluene for 1h; Reflux; | 85% |
Conditions | Yield |
---|---|
In toluene at 110℃; for 5h; | 85% |
propylthiouracil
tert-butylisonitrile
chloroacetic acid
acetone
Conditions | Yield |
---|---|
With octyl methyl imidazolium bromide at 30℃; for 6h; Green chemistry; | 85% |
propylthiouracil
Cyclohexyl isocyanide
ethylamine
chloroacetic acid
acetone
N-cyclohexyl-2-(N-ethyl-2-((6-oxo-4-propyl-1,6-dihydropyrimidin-2-yl)thio)acetamido)-2-methylpropanamide
Conditions | Yield |
---|---|
Stage #1: propylthiouracil; chloroacetic acid at 20℃; for 0.5h; Ionic liquid; Stage #2: ethylamine; acetone at 20℃; for 0.25h; Ugi condensation; Ionic liquid; Stage #3: Cyclohexyl isocyanide at 20℃; for 5h; Ugi condensation; Ionic liquid; | 83% |
propylthiouracil
Cyclohexyl isocyanide
chloroacetic acid
pentan-3-one
Conditions | Yield |
---|---|
With octyl methyl imidazolium bromide at 30℃; for 6h; Green chemistry; | 83% |
propylthiouracil
Cyclohexyl isocyanide
Chloro-phenyl-acetic acid
pentan-3-one
Conditions | Yield |
---|---|
With octyl methyl imidazolium bromide at 30℃; for 6h; Green chemistry; | 83% |
Conditions | Yield |
---|---|
With sodium hydroxide In water at 20 - 40℃; for 4h; | 82% |
With potassium hydroxide | |
With sodium hydroxide In water at 20℃; |
propylthiouracil
4-bromo-trans-crotonic acid ethyl ester
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 1h; | 82% |
propylthiouracil
Cyclohexyl isocyanide
acetone
(R,S)-2-chloropropionic acid
Conditions | Yield |
---|---|
With octyl methyl imidazolium bromide at 30℃; for 6h; Green chemistry; | 82% |
propylthiouracil
tert-butylisonitrile
Chloro-phenyl-acetic acid
acetone
Conditions | Yield |
---|---|
With octyl methyl imidazolium bromide at 30℃; for 6h; Green chemistry; | 81% |
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide | 81% |
propylthiouracil
hydroquinone
2-(2,5-dihydroxyphenylsulfanyl)-6-propyl-1H-pyrimidin-4-one
Conditions | Yield |
---|---|
In aq. phosphate buffer; water; N,N-dimethyl-formamide at 25℃; pH=6; Michael Addition; Electrolysis; | 80% |
Conditions | Yield |
---|---|
In toluene at 110℃; for 5h; | 80% |
propylthiouracil
tert-butylisonitrile
ethylamine
chloroacetic acid
acetone
N-(tert-butyl)-2-(N-ethyl-2-((6-oxo-4-propyl-1,6-dihydropyrimidin-2-yl)thio)acetamido)-2-methylpropanamide
Conditions | Yield |
---|---|
Stage #1: propylthiouracil; chloroacetic acid at 20℃; for 0.5h; Ionic liquid; Stage #2: ethylamine; acetone at 20℃; for 0.25h; Ugi condensation; Ionic liquid; Stage #3: tert-butylisonitrile at 20℃; for 5h; Ugi condensation; Ionic liquid; | 79% |
propylthiouracil
methyl 5-deoxy-5-iodo-2,3-isopropylidene-β-D-ribofuranoside
methyl 5-deoxy-2,3-O-isopropylidene-5-(6-propyluracil-2-yl)thio-β-D-ribofuranoside
Conditions | Yield |
---|---|
With sodium hydroxide In ethanol; water at 60℃; for 1h; | 78% |
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