Items Standard Result Description White or off- White crystalline or crystalline Powder White crystalline Powder
Cas:304-55-2
Min.Order:1 Gram
FOB Price: $100.0 / 500.0
Type:Trading Company
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 Crystalline Powder Storage:-20°C Package:1kg/foil b
Cas:304-55-2
Min.Order:500 Gram
FOB Price: $10.0
Type:Trading Company
inquiryWe are the only one manufacturer of this item in China. Appearance:White or almost white crystalline powder Storage:As normal Package:25kgs net carton drums Application:API,304-55-2 Transportation:as normal Port:SHANGHAI
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
Cas:304-55-2
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryWhy is SINOWAY: 1) Specialized in pharmaceutical and healthcare industrial for 34 years. 2) ISO 9001:2015 & SGS audited supplier . 3) Accept various payment terms : T.T 30-60 days. 4) We have warehouse in USA with quickly shipment . 5) We c
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
Cas:304-55-2
Min.Order:0 Metric Ton
Negotiable
Type:Manufacturers
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:304-55-2
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
inquiry304-55-2 - Physico-chemical Properties Molecular Formula C4H6O4S2 Molar Mass 182.22 Density 1.439 (estimate) Melting Point 196-198°C (dec.)(lit.) Boling Point 285.62°C (rough estima
Cas:304-55-2
Min.Order:1 Gram
FOB Price: $5.0 / 7.0
Type:Lab/Research institutions
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:304-55-2
Min.Order:1 Kilogram
FOB Price: $1.0
Type:Manufacturers
inquiry
Cas:304-55-2
Min.Order:1 Metric Ton
FOB Price: $1.0
Type:Manufacturers
inquiryHebei yanxi chemical co., LTD is a professional research, development and production . enterprise backbone members by local well-known entrepreneurs and professional senior engineers in the party's "low carbon environmental protection
Cas:304-55-2
Min.Order:1 Kilogram
FOB Price: $11.0 / 16.0
Type:Trading Company
inquiryWith 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
Cas:304-55-2
Min.Order:1 Kilogram
FOB Price: $10.0 / 16.0
Type:Trading Company
inquiryOur company was built in 2009 with an ISO certificate. In the past 5 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so o
Cas:304-55-2
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
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:304-55-2
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:304-55-2
Min.Order:10 Kilogram
FOB Price: $20.0 / 30.0
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:304-55-2
Min.Order:1 Metric Ton
FOB Price: $380.0 / 590.0
Type:Trading Company
inquiryProduct Name: DMSA powder CAS NO.: 304-55-2 Appearance: White Crystalline Powder which is soluble in alkaline solution, slightly soluble in methanol and insoluble in water. Assay: 99% Appearance:White powder Storage: Room Temperature Packag
Cas:304-55-2
Min.Order:5 Metric Ton
FOB Price: $1.0 / 2.0
Type:Other
inquiryOur Adwantage: 1.We have stock so we can delivery quickly at the very day when receive the payment. 2.Best price, first class service, high successful delivery rate. A discount would be given when you make a large order. 3.High quality gua
Cas:304-55-2
Min.Order:10 Gram
Negotiable
Type:Other
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:304-55-2
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 prese
Cas:304-55-2
Min.Order:1 Kilogram
FOB Price: $120.0 / 128.0
Type:Trading Company
inquirySuccimer CAS: 304-55-2 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 intermediates, st
Cas:304-55-2
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
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
Cas:304-55-2
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryGroup profiles Leader Biochemical Group is a large leader incorporated industry manufacturers and suppliers of advanced refined raw materials From the year of 1996 when our factory was put into production to year
Cas:304-55-2
Min.Order:1 Kilogram
FOB Price: $1.0 / 2.0
Type:Lab/Research institutions
inquiryAppearance:white or yellowish white flaky crystal Storage:Keep the sun from direct sunlight ;prevention against high temperature Package:As customer request Application:Used for research and industrial manufacture. Transportatio
Cas:304-55-2
Min.Order:100 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryOur Services 1. New Molecules R&D 2. Own test center HPLC NMR GC LC-MS 3. API and Intermediates from China reputed manufacturers 4. Documents support COA MOA MSDS DMF open part Our advantages 1. Government awarded company. Top 100 enter
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
Cas:304-55-2
Min.Order:0 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryCAS 304-55-2 Succimer Purity: 99% Min Application: Intermediates Appearance: Powder Package: Bag Delivery: 3-5days Our Advantage & Service 1.Top quality: Using high quality material and establishing a strict quality control system,a
Cas:304-55-2
Min.Order:1 Kilogram
FOB Price: $1.0 / 10.0
Type:Trading Company
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:304-55-2
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquirymeso-2,3-bis(acetylthio)succinic acid
succimer
Conditions | Yield |
---|---|
With sodium hydroxide | |
With water; hydrazine hydrate at 0℃; |
Conditions | Yield |
---|---|
With sodium ethoxide In methanol; toluene N2, acid:ethoxide:Sn=1:4:1 molar ratio, acid and base stirred for 0.5 h,Sn compd. added, stirred at 40°C for 12 h; filtered, solvent removed (vac.), recrystd. (ethanol); elem. anal.; | 88% |
Conditions | Yield |
---|---|
In methanol; toluene N2, stoich., refluxed in a Dean-Stark trap for 10 h; cooled to room temp., filtered, solvent removed (vac.); elem. anal.; | 88% |
Conditions | Yield |
---|---|
In methanol; toluene N2, stoich., refluxed in a Dean-Stark trap for 10 h; cooled to room temp., filtered, solvent removed (vac.), recrystd. (diethyl ether); elem. anal.; | 86% |
Conditions | Yield |
---|---|
With KOH In methanol; water High Pressure; N2, stoich., heated at 150°C for 3 d; cooled to room temp., crysts. filtered, washed (hexane); elem. anal., TGA; | 85% |
With KOH In methanol; water High Pressure; mixt. of meso-2,3-dimercaptosuccinic acid (0.5 mmol), KOH (2 mmol), tri-n-butyltin chloride (2 mmol), CH3OH (10 ml) and H2O (5 ml) heated in Teflon-lined autoclave at 150°C for 3 d; cooled to room temp. for 24 h; crystals collected; washed with hexane; elem. anal.; | 85% |
Conditions | Yield |
---|---|
With sodium ethoxide In methanol; toluene N2, acid:ethoxide:Sn=1:4:1 molar ratio, acid and base stirred for 0.5 h,Sn compd. added, stirred at 40°C for 12 h; filtered, solvent removed (vac.); elem. anal.; | 85% |
Conditions | Yield |
---|---|
With sodium ethoxide In methanol; toluene N2, acid:ethoxide:Sn=1:4:1 molar ratio, acid and base stirred for 0.5 h,Sn compd. added, stirred at 40°C for 12 h; filtered, solvent removed (vac.); elem. anal.; | 85% |
succimer
[(meso-2,3-dimercaptosuccinate)bis(dibenzyltin(IV))]
Conditions | Yield |
---|---|
In methanol; toluene N2, stoich., refluxed in a Dean-Stark trap for 10 h; cooled to room temp., filtered, solvent removed (vac.); elem. anal.; | 83% |
Conditions | Yield |
---|---|
With tin(II) chloride dihdyrate In water at 20℃; for 0.5h; | 83% |
Conditions | Yield |
---|---|
With sodium ethoxide In methanol; toluene N2, acid:ethoxide:Sn=1:4:1 molar ratio, acid and base stirred for 0.5 h,Sn compd. added, stirred at 40°C for 12 h; filtered, solvent removed (vac.), recrystd. (CH2Cl2); elem. anal.; | 82% |
Conditions | Yield |
---|---|
In methanol; toluene N2, stoich., refluxed in a Dean-Stark trap for 10 h; cooled to room temp., filtered, solvent removed (vac.); elem. anal.; | 80% |
Conditions | Yield |
---|---|
With hydrogenchloride at 20℃; for 9h; | 78% |
With hydrogenchloride In water at 0 - 20℃; | 60% |
Conditions | Yield |
---|---|
With hydrogenchloride at 20℃; for 8h; Cooling with ice; | 77.6% |
With sulfuric acid Heating; |
Conditions | Yield |
---|---|
With acetylhydrazine; HCl In acetonitrile Re compd. and acetylhydrazine (molar ratio 1:1) stirred in MeCN at room temp. for 10 min; concd. HCl added; stirred for 25 min; dimercaptosuccinic acid (2 equiv.) added; stirred for 3 h; filtered; solid washed with MeCN; dried under vac.; elem. anal.; | 75% |
Conditions | Yield |
---|---|
Stage #1: nitarsone With ammonium 2-sulfanylacetate In ethanol; water; acetone at 55℃; for 1h; Stage #2: succimer In acetone for 0.5h; | 71% |
Conditions | Yield |
---|---|
With tin(II) chloride dihdyrate In water at 20℃; for 0.5h; | 70% |
succimer
Conditions | Yield |
---|---|
With NaOH In ethanol; water add. of aq. soln. of 0.38 mmol NaOH to soln. of 0.20 mmol acid in ethanol/water (5:1); after 10 min addn. of mixture to suspension of 0.17 mmol palladium complex in ethanol; after 2 h concg. soln.;; pptn.; elem. anal.;; | 69% |
succimer
Conditions | Yield |
---|---|
With NaOH In ethanol; water add. of aq. soln. of 0.32 mmol NaOH to soln. of 0.35 mmol acid in ethanol/water (3:1); after 10 min addn. of mixture to suspension of 0.29 mmol platinum phosphine chloride in ethanol; after 1.5 h filtration; concg. filtrate;; pptn.; elem. anal.;; | 68% |
Conditions | Yield |
---|---|
Stage #1: p-aminophenylarsonic acid With ammonium 2-sulfanylacetate In ethanol at 55℃; for 1h; Stage #2: succimer In ethanol for 0.5h; | 68% |
succimer
Conditions | Yield |
---|---|
With NaOH In ethanol; water add. of aq. soln. of 0.5 mmol NaOH to soln. of 0.478 mmol acid in ethanol/water (5:1); after 10 min addn. of mixture to suspension of 0.29 mmol palladium phosphine chloride in ethanol; after 2 h concg. soln.;; pptn.; elem. anal.;; | 64% |
succimer
Conditions | Yield |
---|---|
With NaOH In ethanol; water add. of aq. soln. of 0.16 mmol NaOH to soln. of 0.16 mmol acid in ethanol/water (3:1); after 10 min addn. of mixture to suspension of 0.15 mmol platinum complex in ethanol; after 2 h filtration; concg. filtrate;; pptn.; elem. anal.;; | 62.5% |
cis-[NiBr2(1,2-bis(diphenylphosphino)ethane)]
succimer
Conditions | Yield |
---|---|
In ethanol addn. of Ni complex to acid in ethanol; stirring for 2 h; filtration;; dissolving residue in aq. NaOH (pH = 10); addn. of dilute H2SO4; pptn.; elem. anal.;; | 54.2% |
Conditions | Yield |
---|---|
Stage #1: 4-ethoxyphenylarsonic acid With ammonium 2-sulfanylacetate In ethanol at 55℃; for 1h; Stage #2: succimer In ethanol for 0.5h; | 32.8% |
(E)-1-(4-(phenyldiazenyl)phenyl)-1H-pyrrole-2,5-dione
succimer
Conditions | Yield |
---|---|
In tetrahydrofuran at 20℃; for 4h; | 24.8% |
Conditions | Yield |
---|---|
With hydrogen cation |
Conditions | Yield |
---|---|
With potassium hydroxide Alkylation; Heating; |
Conditions | Yield |
---|---|
With sodium hydroxide In not given soln. with ratio Cd(NO3)2:org. compd.:NaOH 3:1:4; filtration, washing (aq. EtOH), drying (room temp.); elem. anal.; |
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