Dayangchem's 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. DayangChem can provide different quantities
Cas:52328-05-9
Min.Order:1 Kilogram
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Type:Lab/Research institutions
inquiryWelcome 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
Cas:52328-05-9
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inquiryProduct description: Product name O-Methylisourea hemisulfate CAS number 52328-05-9 Assay ≥98% Appearance White crystal Capacity 200mt/year Application Pharmaceutical/pestici
Cas:52328-05-9
Min.Order:10 Gram
FOB Price: $12.0
Type:Lab/Research institutions
inquiryhigh quality Appearance:White or off-white Solid Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea Port:shanghai
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
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inquiryHebei yanxi chemical co., LTD is a professional research, development and production of lead acetate benzene acetamide enterprise backbone members by local well-known entrepreneurs and professional senior engineers in the party's "low carb
Cas:52328-05-9
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FOB Price: $1.0 / 3.0
Type:Trading Company
inquiryOur 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
Cas:52328-05-9
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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:52328-05-9
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:52328-05-9
Min.Order:1 Kilogram
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Type:Trading Company
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:52328-05-9
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Type:Lab/Research institutions
inquiryName: O-Methylisourea hemisulfate Synonyms: Carbamimidic acid, methylester, hemisulfate; methyl carbamimidate sulfate (2:1); Oxygen methyl urea sulfate CAS: 52328-05-9 MF: C4H14N4O6S Appearance: White powder Storage:Store in cool and dry place, aw
Cas:52328-05-9
Min.Order:1 Kilogram
FOB Price: $1.0
Type:Other
inquiryAppearance:White crystalline powder or powder Storage:Room temperature Package:25kg/drum Application:Pharmaceutical intermediates Transportation:Express/Sea/Air Port:Any port in china
Cas:52328-05-9
Min.Order:25 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryAdvantages: 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 serv
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
Cas:52328-05-9
Min.Order:1 Kilogram
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Type:Lab/Research institutions
inquiryProduct Name: O-Methylisourea hemisulfate CAS: 52328-05-9 MF: C4H14N4O6S MW: 246.24 EINECS: 257-851-8 Product Categories: Mol File: 52328-05-9.mol O-Methylisourea hemisulfate Structure O-Methylisourea hemisulfate Chemical Prop
Cas:52328-05-9
Min.Order:1 Gram
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 prese
Cas:52328-05-9
Min.Order:1 Kilogram
FOB Price: $36.0 / 42.0
Type:Trading Company
inquiryO-Methylisourea hemisulfate CAS:52328-05-9 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 organ
Cas:52328-05-9
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryProduct quality: Our company have high quality product , and also the product we have good manufacture . First of all, this product is of fine quality. Every finish should be checked by quality inspection system.And every one should be also tried
Cas:52328-05-9
Min.Order:1 Kilogram
FOB Price: $20.0 / 30.0
Type:Trading Company
inquiryPRODUCT DETAILS
Cas:52328-05-9
Min.Order:500 Kilogram
FOB Price: $1.0 / 2.0
Type:Lab/Research institutions
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:52328-05-9
Min.Order:0
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Type:Lab/Research institutions
inquiryBest 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. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures
Cas:52328-05-9
Min.Order:1 Kilogram
FOB Price: $20.0 / 30.0
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:52328-05-9
Min.Order:0 Metric Ton
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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
Cas:52328-05-9
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryJ&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
Cas:52328-05-9
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Type:Lab/Research institutions
inquiryPacking: According to customer requirements Delivery time: In stock or depands Port of shipment: Ningbo/Shanghai/Qingdao OEM/ODM:Welcome Sample:We can offer our existing samples at once Transportation:Express/Sea/Air Port:Ningbo/Shanghai/Qingd
Massive Chemical is certified with ISO9001 and ISO14001 manufacturer for this product. We will offer all documents as requirement for the materials which includes, Certificate of Analysis, Material Safety Data Sheet, and Method of Analysis and
Cas:52328-05-9
Min.Order:1 Gram
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Type:Lab/Research institutions
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:52328-05-9
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquirySynonyms:Bis(2methylisouronium)sulphate; Carbamimidicacidmethylesterhemisulfate CASNo.52328-05-9 Appearance:White or off-white crystal Storage:store in dry and cool place Package:25kg/fibre drum Application:-- Port:China port
Cas:52328-05-9
Min.Order:1 Kilogram
FOB Price: $100.0
Type:Other
inquiryProduct name: O-Methylisourea Hemisulfate CAS No.:52328-05-9 Molecule Formula:C4H14N4O6S Molecule Weight:246.24 Purity: 99.0% Package: 25kg/drum Description:White powder Manufacture Standards:Enterprise Standard TE
Cas:52328-05-9
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryO-methylisourea hemisulfate
4-Chlorophenyl isothiocyanate
O-methyl-1-(p-chlorophenyl)-2-thioisobiuret
Conditions | Yield |
---|---|
With potassium hydroxide In acetone for 0.5h; Heating; | 95% |
O-methylisourea hemisulfate
2,3,4-tri-O-acetyl-α-D-arabinopyranosyl isotyhiocyanate
C14H21N3O8S
Conditions | Yield |
---|---|
With triethylamine In acetonitrile for 24h; Ambient temperature; | 93% |
O-methylisourea hemisulfate
2-methoxy-pyrimidine-5-carbaldehyde
Conditions | Yield |
---|---|
With potassium hydrogencarbonate In Isopropyl acetate; water at 20℃; for 40h; | 93% |
O-methylisourea hemisulfate
cyclohexylamine
cyclohexyl-guanidine; sulfate
Conditions | Yield |
---|---|
In water a) 60 deg C, 2 h, b) r.t., overnight; | 91% |
O-methylisourea hemisulfate
2,3,4,6-tetra-O-acetyl-β-D-glucopyranosyl isothiocyanate
C17H25N3O10S
Conditions | Yield |
---|---|
With triethylamine In acetonitrile for 24h; Ambient temperature; | 89% |
O-methylisourea hemisulfate
2,2-diethoxy-ethanamine
2-aminoimidazole hemisulfate
Conditions | Yield |
---|---|
Stage #1: O-methylisourea hemisulfate; 2,2-diethoxy-ethanamine In water at 50℃; for 4h; Stage #2: With sulfuric acid In water at 100℃; for 2h; pH=2.5; | 86% |
O-methylisourea hemisulfate
Conditions | Yield |
---|---|
With barium pentazolate In methanol; water at 20℃; for 6h; | 86% |
O-methylisourea hemisulfate
(Z)-2-[4-(tert-Butyl-dimethyl-silanyloxy)-butyryl]-pentadec-2-enoic acid methyl ester
methyl 6-<3-<(tert-butyldimethylsilyl)oxy>propyl>-4-dodecyl-1,4-dihydro-2-methoxypyrimidine-5-carboxylate
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In N,N-dimethyl-formamide at 60℃; for 12h; | 79% |
pyridine-2-carbaldehyde
O-methylisourea hemisulfate
ethyl acetoacetate
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 70℃; for 3h; Inert atmosphere; Alkaline conditions; | 79% |
O-methylisourea hemisulfate
(E)-1-(1'-deoxy-2',3':4',5'-di-O-isopropylidene-D-xylityl)-2,3,4,4,5,5,5-heptafluoropent-2-en-1-one
Conditions | Yield |
---|---|
With potassium hydroxide In dichloromethane at 20℃; for 24h; | 78% |
O-methylisourea hemisulfate
4-Bromophenyl isothiocyanate
O-methyl-1-(p-bromophenyl)-2-thioisobiuret
Conditions | Yield |
---|---|
With potassium hydroxide In acetone Heating; | 76% |
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 75℃; for 16h; Inert atmosphere; Alkaline conditions; | 75.7% |
Conditions | Yield |
---|---|
Stage #1: Dimethyl oxalate; methyl fluoroacetate With sodium methylate In toluene at 25℃; for 2h; Stage #2: O-methylisourea hemisulfate With sodium methylate In toluene at 35℃; for 8h; | 70% |
O-methylisourea hemisulfate
N-[3-(dimethylamino)-2-(trifluoromethyl)-2-propenylidene]-N-dimethylammonium chloride
Conditions | Yield |
---|---|
With sodium methylate In methanol; acetonitrile for 3h; Ambient temperature; | 69% |
O-methylisourea hemisulfate
2-(Benzoyloxymethylene)-4,4-(ethylenedioxy)cyclohexan-1-one
6.6-(Ethylenedioxy)-5,6,7,8-tetrahydro-2-methoxyquinazoline
Conditions | Yield |
---|---|
With triethylamine In ethanol for 24h; Heating; | 68% |
With triethylamine In ethanol |
O-methylisourea hemisulfate
(S)-1-[(10R,13S,16S,19S,22R)-19-Benzyl-13-carbamoylmethyl-22-(4-ethoxy-benzyl)-16-isopropyl-12,15,18,21,24-pentaoxo-7,8-dithia-11,14,17,20,23-pentaaza-spiro[5.19]pentacosane-10-carbonyl]-pyrrolidine-2-carboxylic acid (4-amino-butyl)-amide
(S)-1-[(10R,13S,16S,19S,22R)-19-Benzyl-13-carbamoylmethyl-22-(4-ethoxy-benzyl)-16-isopropyl-12,15,18,21,24-pentaoxo-7,8-dithia-11,14,17,20,23-pentaaza-spiro[5.19]pentacosane-10-carbonyl]-pyrrolidine-2-carboxylic acid (4-guanidino-butyl)-amide
Conditions | Yield |
---|---|
With sodium hydroxide In water at 0℃; | 64% |
(7E)-7-[(dimethylamino)methylidene]-N-methoxy-N,1-dimethyl-8-oxo-1,4,5,6,7,8-hexahydrocyclohepta[c]pyrazole-3-carboxamide
O-methylisourea hemisulfate
N,9-dimethoxy-N,1-dimethyl-1,4,5,6-tetrahydropyrazolo[4',3':6,7]cyclohepta[1,2-d]pyrimidine-3-carboxamide
Conditions | Yield |
---|---|
With potassium carbonate In acetonitrile for 16h; Reflux; | 62% |
ethyl 2-fluoroacetate
O-methylisourea hemisulfate
oxalic acid diethyl ester
Conditions | Yield |
---|---|
Stage #1: ethyl 2-fluoroacetate; oxalic acid diethyl ester With sodium methylate In toluene at 30℃; for 2h; Stage #2: O-methylisourea hemisulfate With sodium methylate In toluene at 35℃; for 8h; | 62% |
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 70℃; for 3h; Inert atmosphere; Alkaline conditions; | 57% |
O-methylisourea hemisulfate
3,5-diamino-N-(2-aminoethyl)-6-chloropyrazine-2-carboxamide
N-(2-Guanidinoethyl)-3,5-diamino-6-chloropyrazine-2-carboxamide sulfate
Conditions | Yield |
---|---|
In water at 20℃; for 1.5h; | 55% |
allyl acetoacetate
O-methylisourea hemisulfate
4-cyanobenzaldehyde
4-(4-cyanophenyl)-2-methoxy-6-methyl-1,4-dihydro-pyrimidine-5-carboxylic acid allyl ester
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In N,N-dimethyl-formamide at 70℃; Inert atmosphere; | 53% |
O-methylisourea hemisulfate
5-methoxycarbonyl-1,6-dihydro-2-methoxy-4-methoxymethyl-6-(3,4-difluorophenyl)pyrimidine
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In ethanol | 47% |
With sodium hydrogencarbonate In ethanol |
ethyl 2-cyano-4,4-diethoxybutyrate
O-methylisourea hemisulfate
3,4-dihydro-2-methoxy-4-oxo-7H-pyrrolo<2,3-d>pyrimidine
Conditions | Yield |
---|---|
With sodium methylate In methanol for 4h; Heating; | 46% |
O-methylisourea hemisulfate
1-isothiocyanato-4-methylbenzene
O-methyl-1-(p-tolyl)-2-thioisobiuret
Conditions | Yield |
---|---|
With potassium hydroxide In acetone Heating; | 46% |
ethyl-3-(dimethylamino)-2-(phenylcarbonyl)prop-2-enoate
O-methylisourea hemisulfate
ethyl 4-phenyl-2-methoxypyrimidine-5-carboxylate
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In 1-methyl-pyrrolidin-2-one at 80℃; for 12h; | 46% |
3-chloro-4H-chromen-4-one
O-methylisourea hemisulfate
2-methoxybenzofuro[3,2-d]pyrimidine
Conditions | Yield |
---|---|
With 1,10-Phenanthroline; 1,8-diazabicyclo[5.4.0]undec-7-ene; copper(I) bromide In N,N-dimethyl-formamide at 90℃; for 10h; Michael condensation; Inert atmosphere; chemoselective reaction; | 46% |
Conditions | Yield |
---|---|
With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In DMF (N,N-dimethyl-formamide) | 42% |
O-methylisourea hemisulfate
5-(benzyloxycarbonyl)-1,6-dihydro-2-methoxy-4-ethyl-6-(2,4-difluorophenyl)pyrimidine
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In ethanol | 42% |
With sodium hydrogencarbonate In ethanol |
O-methylisourea hemisulfate
4-amino-5-fluoro-2-methoxypyrimidine
Conditions | Yield |
---|---|
In methanol; water at 20℃; for 23h; Schlenk technique; | 41% |
O-methylisourea hemisulfate
Conditions | Yield |
---|---|
With triethylamine In N,N-dimethyl-formamide at 80℃; for 24h; | 37% |
With triethylamine In N,N-dimethyl-formamide |
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