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:60239-18-1
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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
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inquiryProduct Description Product website: http://www.finerchem.com Product Name Tetraxetan CAS No. 60239-18-1
1,4,7,10-Tetraazacyclododecane- 1,4,7,10-tetraacetic-acid CAS 60239-18-1 Company profile Wuhan Fortuna Chemical Co.,Ltd established in 2006, is a big integrative chemical enterprise being engaged in Pharmaceutical & its intermediates, Food/F
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inquiryhigh quality Appearance:white powder 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
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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
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inquiryWe 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
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inquiry1. 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
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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
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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&D b
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inquiryDOTA Basic information Product Name: DOTA Synonyms: 1,4,7,10-TETRAAZACYCLODODECANE-1,4,7,10-TETRAACETIC ACID;1,4,7,10-TETRAAZACYCLODODECANE-1,4,7,10-TETRAACETIC ACID, FREE ACID;1,4,7,10-
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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
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
Cas:60239-18-1
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inquiryProduct Name (4,7,10-Tris-carboxymethyl-1,4,7,10tetraaza-cyclododec-1-yl)-acetic acid Molecular formula: C16H28N4O8 Structural formula: Assay: 99%
Cas:60239-18-1
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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
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inquiryAppearance:White crystalline powder Storage:Room temperature Package:25kg/drum Application:Contrast agent containing gadolinium Transportation:Express/Sea/Air Port:Any port in china
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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
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inquiryDOTA CAS:60239-18-1 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, stero
Cas:60239-18-1
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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
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inquiry1. 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 s
Product Name: DOTA Synonyms: 1,4,7,10-TETRAAZACYCLODODECANE-1,4,7,10-TETRAACETIC ACID;1,4,7,10-TETRAAZACYCLODODECANE-1,4,7,10-TETRAACETIC ACID, FREE ACID;1,4,7,10-TETRAAZACYCLODODECANE-N,N',N'',N'''-TETRAACETIC ACID;DOTA;
Cas:60239-18-1
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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
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inquiryA substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc
1,we produce and sell good chemicals around the world. 2,our success rate is about 95%. this means, if customer order is accepted, the probability that the customer will obtain the ordered substances, is 95%. 3,our staff consists of highly qualifie
Cas:60239-18-1
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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
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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:60239-18-1
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inquiryNewCan Biotech Limited was established in 2021 and is primarily engaged in the research, development, production, and sales of sugars, nucleosides, nucleotides, phosphorylated monomers, as well as next-generation antiviral and antitumor drug intermed
Packing: 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
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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
Cas:60239-18-1
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inquiry1,4,7-tris(tert-butoxycarbonylmethyl)-1,4,7,10-tetraazacyclododecane-10-acetic acid
A
1,4,7,10-tetrakis(carboxymethyl)-1,4,7,10-tetraazacyclododecane
B
tert-butyl alcohol
Conditions | Yield |
---|---|
With chlorotriisopropylsilane; water; trifluoroacetic acid for 3h; Time; Reagent/catalyst; Solvent; | A 100% B 100% |
C43H58N4O8
A
1,4,7,10-tetrakis(carboxymethyl)-1,4,7,10-tetraazacyclododecane
B
1-methyl-1-phenylethyl alcohol
Conditions | Yield |
---|---|
With chlorotriisopropylsilane; water; trifluoroacetic acid for 0.833333h; Time; Reagent/catalyst; Solvent; | A 100% B 100% |
1,4,7,10-tetrakis(carboxymethyl)-1,4,7,10-tetraazacyclododecane
Conditions | Yield |
---|---|
With trifluoroacetic acid In dichloromethane for 12h; | 89% |
With trifluoroacetic acid In dichloromethane at 20℃; for 16h; | 85% |
With trifluoroacetic acid In dichloromethane at 20℃; |
chloroacetic acid
1,4,7,10-tetraazacyclododecan
1,4,7,10-tetrakis(carboxymethyl)-1,4,7,10-tetraazacyclododecane
Conditions | Yield |
---|---|
With sodium hydroxide In water at 70℃; for 30h; pH=9.5 - 10; | 88% |
With (-)-cycleanine; sodium hydroxide In water at 80 - 85℃; pH=10 - 11; Large scale; | 82.7% |
With sodium hydroxide In water at 80 - 85℃; pH=10 - 11; Industrial scale; | 82.7% |
bromoacetic acid
1,4,7,10-tetraazacyclododecan
1,4,7,10-tetrakis(carboxymethyl)-1,4,7,10-tetraazacyclododecane
Conditions | Yield |
---|---|
With lithium hydroxide monohydrate; water at 0 - 30℃; for 24h; Temperature; Reagent/catalyst; | 87.8% |
1,4,7,10-tetrakis(carboxymethyl)-1,4,7,10-tetraazacyclododecane
Conditions | Yield |
---|---|
With water; sodium hydroxide In methanol at 55 - 60℃; for 12h; | 80.5% |
Iodoacetic acid
1,4,7,10-tetraazacyclododecan
1,4,7,10-tetrakis(carboxymethyl)-1,4,7,10-tetraazacyclododecane
Conditions | Yield |
---|---|
With lithium hydroxide monohydrate; water at 0 - 30℃; for 24h; | 72% |
chloroacetic acid lithium salt
1,4,7,10-tetraazacyclododecan
1,4,7,10-tetrakis(carboxymethyl)-1,4,7,10-tetraazacyclododecane
Conditions | Yield |
---|---|
With lithium hydroxide monohydrate; water at 0 - 30℃; for 24h; | 43.8% |
bromoacetic acid methyl ester
1,4,7,10-tetraazacyclododecan
1,4,7,10-tetrakis(carboxymethyl)-1,4,7,10-tetraazacyclododecane
Conditions | Yield |
---|---|
With lithium hydroxide monohydrate; water at 0 - 30℃; for 24h; | 32.5% |
ethyl bromoacetate
1,4,7,10-tetraazacyclododecan
1,4,7,10-tetrakis(carboxymethyl)-1,4,7,10-tetraazacyclododecane
Conditions | Yield |
---|---|
With lithium hydroxide monohydrate; water at 0 - 30℃; for 24h; | 24.8% |
1,4,7,10-tetraazacyclododecane-1,4,7,10-tetraacetic acid mono(4-nitrophenyl) ester
A
1,4,7,10-tetrakis(carboxymethyl)-1,4,7,10-tetraazacyclododecane
B
4-nitro-phenol
Conditions | Yield |
---|---|
In water for 1h; pH=7; Kinetics; Further Variations:; pH-values; |
N,N',N'',N'''-tetrakis-(p-tolylsulphonyl)-triethylenetetramine
1,4,7,10-tetrakis(carboxymethyl)-1,4,7,10-tetraazacyclododecane
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 78 percent / K2CO3 / dimethylformamide / 30 h / 100 °C 2: 33 percent / conc. H2SO4 / 28 h / 115 °C 3: 88 percent / NaOH / H2O / 30 h / 70 °C / pH 9.5 - 10 View Scheme |
cyclen tetratosylate
1,4,7,10-tetrakis(carboxymethyl)-1,4,7,10-tetraazacyclododecane
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 33 percent / conc. H2SO4 / 28 h / 115 °C 2: 88 percent / NaOH / H2O / 30 h / 70 °C / pH 9.5 - 10 View Scheme |
triethylentetramine
1,4,7,10-tetrakis(carboxymethyl)-1,4,7,10-tetraazacyclododecane
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 97 percent / Et3N / acetonitrile / 5 h / 20 °C 2: 78 percent / K2CO3 / dimethylformamide / 30 h / 100 °C 3: 33 percent / conc. H2SO4 / 28 h / 115 °C 4: 88 percent / NaOH / H2O / 30 h / 70 °C / pH 9.5 - 10 View Scheme |
A
1,4,7,10-tetrakis(carboxymethyl)-1,4,7,10-tetraazacyclododecane
Conditions | Yield |
---|---|
In perchloric acid Kinetics; decompn. of Pb compd. in aq. HClO4 depending from acid concn.; |
C46H62N4O8
1,4,7,10-tetrakis(carboxymethyl)-1,4,7,10-tetraazacyclododecane
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: tetrakis(triphenylphosphine) palladium(0); 4-methyl-morpholine / dichloromethane / 3 h / 20 °C 2: chlorotriisopropylsilane; trifluoroacetic acid; water / 0.83 h View Scheme |
(1,4,7,10-tetraaza-cyclododec-1-yl)-acetic acid allyl ester
1,4,7,10-tetrakis(carboxymethyl)-1,4,7,10-tetraazacyclododecane
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: potassium carbonate / acetonitrile / 16 h / 20 °C 2: tetrakis(triphenylphosphine) palladium(0); 4-methyl-morpholine / dichloromethane / 2 h / 20 °C 3: chlorotriisopropylsilane; trifluoroacetic acid; water / 3 h View Scheme | |
Multi-step reaction with 3 steps 1: potassium carbonate / acetonitrile / 8 h / 20 °C 2: tetrakis(triphenylphosphine) palladium(0); 4-methyl-morpholine / dichloromethane / 3 h / 20 °C 3: chlorotriisopropylsilane; trifluoroacetic acid; water / 0.83 h View Scheme |
C31H56N4O8
1,4,7,10-tetrakis(carboxymethyl)-1,4,7,10-tetraazacyclododecane
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: tetrakis(triphenylphosphine) palladium(0); 4-methyl-morpholine / dichloromethane / 2 h / 20 °C 2: chlorotriisopropylsilane; trifluoroacetic acid; water / 3 h View Scheme |
1,4,7,10-tetraazacyclododecan
1,4,7,10-tetrakis(carboxymethyl)-1,4,7,10-tetraazacyclododecane
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: potassium carbonate / chloroform / 52 h / 20 °C 2: trifluoroacetic acid / dichloromethane / 12 h View Scheme | |
Multi-step reaction with 2 steps 1: potassium carbonate / acetonitrile / 40 h / Reflux 2: sodium hydroxide; water / methanol / 12 h / 55 - 60 °C View Scheme | |
Multi-step reaction with 2 steps 1: chloroform / 72 h / 20 °C 2: trifluoroacetic acid / dichloromethane / 20 °C View Scheme |
chloroacetic acid
1,4,7,10-tetrakis(carboxymethyl)-1,4,7,10-tetraazacyclododecane
Conditions | Yield |
---|---|
With sodium hydroxide In water at 0 - 75℃; pH=10 - 10.5; | |
Stage #1: cyclen hydrochloride; chloroacetic acid With hydrogenchloride; sodium hydroxide In water at 0 - 75℃; pH=10 - 10.5; Stage #2: In water pH=2.5 - 3; | |
With sodium hydroxide In water at 10 - 30℃; for 24h; Reagent/catalyst; |
sodium monochloroacetic acid
1,4,7,10-tetraazacyclododecan
1,4,7,10-tetrakis(carboxymethyl)-1,4,7,10-tetraazacyclododecane
Conditions | Yield |
---|---|
With sodium hydroxide In water for 5h; pH=11; Concentration; Large scale; | |
With lithium hydroxide monohydrate; water at 0 - 30℃; for 24h; |
sodium 2-bromoacetate
1,4,7,10-tetraazacyclododecan
1,4,7,10-tetrakis(carboxymethyl)-1,4,7,10-tetraazacyclododecane
Conditions | Yield |
---|---|
With lithium hydroxide monohydrate; water at 0 - 30℃; for 24h; |
potassium iodoacetate
1,4,7,10-tetraazacyclododecan
1,4,7,10-tetrakis(carboxymethyl)-1,4,7,10-tetraazacyclododecane
Conditions | Yield |
---|---|
With lithium hydroxide monohydrate; water at 0 - 30℃; for 24h; |
monosodium iodoacetate
1,4,7,10-tetraazacyclododecan
1,4,7,10-tetrakis(carboxymethyl)-1,4,7,10-tetraazacyclododecane
Conditions | Yield |
---|---|
With lithium hydroxide monohydrate; water at 0 - 30℃; for 24h; |
1,4,7,10-tetrakis(carboxymethyl)-1,4,7,10-tetraazacyclododecane
gadoteric acid
Conditions | Yield |
---|---|
With potassium hydroxide In water at 60℃; for 24h; pH=5.5 - 7; | 100% |
1,4,7,10-tetrakis(carboxymethyl)-1,4,7,10-tetraazacyclododecane
Conditions | Yield |
---|---|
In water MnSO4*H2O dissolved in H2O, ligand added, stirred for 30 min; H2O evapd.; elem. anal.; | 99% |
1,4,7,10-tetrakis(carboxymethyl)-1,4,7,10-tetraazacyclododecane
scandium(III) acetate
sodium hydroxide
Conditions | Yield |
---|---|
In water to aq. suspn. H4DOTA NaOH was added until pH 5, Sc(acetate)3 was added and heated at 60°C for 12 h at pH 4; soln. was concd., residue was dissolved in water, basified with NaOH at pH 7.0 and evapd. to dryness under reduced pressure; | 95% |
1,4,7,10-tetrakis(carboxymethyl)-1,4,7,10-tetraazacyclododecane
sodium hydroxide
Conditions | Yield |
---|---|
In water stoich. amts., 85°C, stirring for several d; cooling to room temp., filtration, evapn. (reduced pressure); | 93% |
1,4,7,10-tetrakis(carboxymethyl)-1,4,7,10-tetraazacyclododecane
1-deoxy-1-(methylamino)-D-glucitol
Conditions | Yield |
---|---|
Stage #1: 1,4,7,10-tetrakis(carboxymethyl)-1,4,7,10-tetraazacyclododecane; 1-deoxy-1-(methylamino)-D-glucitol In water for 0.05h; Green chemistry; Stage #2: gadolinium(III) oxide In water for 0.283333h; Sonication; Green chemistry; | 89% |
morpholine
1,4,7,10-tetrakis(carboxymethyl)-1,4,7,10-tetraazacyclododecane
Conditions | Yield |
---|---|
Stage #1: morpholine; 1,4,7,10-tetrakis(carboxymethyl)-1,4,7,10-tetraazacyclododecane In water for 0.05h; Sonication; Green chemistry; Stage #2: gadolinium(III) oxide In water for 0.283333h; Sonication; Green chemistry; | 85% |
1,4,7,10-tetrakis(carboxymethyl)-1,4,7,10-tetraazacyclododecane
Conditions | Yield |
---|---|
In water Gd2O3 and tetraazacyclododecanetetraacetic acid soln. was stirred at 368 K for 2 h, NaOH was slowly added at room temp. to pH 7 with stirring; after filtration mixt. was concd. in vac. and pptd. with acetone; recrystn. from hot H2O/acetone; elem. anal.; | 83% |
1,4,7,10-tetrakis(carboxymethyl)-1,4,7,10-tetraazacyclododecane
1-deoxy-1-(methylamino)-D-glucitol
Conditions | Yield |
---|---|
In water at 40 - 50℃; for 3h; pH=7 - 9; Industrial scale; | 82% |
1,4,7,10-tetrakis(carboxymethyl)-1,4,7,10-tetraazacyclododecane
{(CH2CH2)NCH2COOH}2{(CH2CH2)NCH2COO}2Ni
Conditions | Yield |
---|---|
In water equimolar amounts of ligand and metal salt; pH 2.5;; crystallization after several days; elem. anal.;; | 80% |
1,4,7,10-tetrakis(carboxymethyl)-1,4,7,10-tetraazacyclododecane
Conditions | Yield |
---|---|
In water at 40 - 50℃; for 3h; pH=7 - 9; Large scale; | 78.5% |
1,4,7,10-tetrakis(carboxymethyl)-1,4,7,10-tetraazacyclododecane
p-xylylidenediamine
2,2',2''-(10-(2-(4-(aminomethyl)benzylamino)-2-oxoethyl)-1,4,7,10-tetraazacyclo-dodecane-1,4,7-triyl)triacetic acid
Conditions | Yield |
---|---|
With pyridine; diisopropyl-carbodiimide In water; acetonitrile | 75% |
1,4,7,10-tetrakis(carboxymethyl)-1,4,7,10-tetraazacyclododecane
(1,4,7,10-tetraazacyclododecane-N,N',N''-N'''-dihydrogentetraacetato)zinc
Conditions | Yield |
---|---|
In water equimolar amounts of ligand and metal salt; pH 2.5;; crystallization after several days; elem. anal.;; | 72% |
1,4,7,10-tetrakis(carboxymethyl)-1,4,7,10-tetraazacyclododecane
2-AMINOETHYL TRIMETHYLAMMONIUM CHLORIDE
Conditions | Yield |
---|---|
With dicyclohexyl-carbodiimide In pyridine; acetonitrile at 20℃; for 48h; | 71% |
1,4,7,10-tetrakis(carboxymethyl)-1,4,7,10-tetraazacyclododecane
{(CH2CH2)NCH2COOH}2{(CH2CH2)NCH2COO}2Cu
Conditions | Yield |
---|---|
In water equimolar amounts of ligand and metal salt; pH 2.5;; crystallization after several days; elem. anal.;; | 69% |
1,4,7,10-tetrakis(carboxymethyl)-1,4,7,10-tetraazacyclododecane
gadolinium(III) 1,4,7,10-tetraazacyclododecane-1,4,7,10-tetraacetic acid
Conditions | Yield |
---|---|
In water for 3h; | 67.9% |
In water addn. of gadolinium oxide to aq. soln. of tetraazacyclododecane deriv., mixt. heated at 90°C for 12 h; cooling to room temp., addn. of cation-exchange and anion-exchange resins, stirring for 60 min at room temp., filtration, filtrate freeze dried; | 61% |
1,4,7,10-tetrakis(carboxymethyl)-1,4,7,10-tetraazacyclododecane
Conditions | Yield |
---|---|
With triethylamine In N,N-dimethyl-formamide at 20℃; for 12h; | 65% |
1,4,7,10-tetrakis(carboxymethyl)-1,4,7,10-tetraazacyclododecane
3-bromopropyl biotin
Conditions | Yield |
---|---|
With 1,8-diazabicyclo[5.4.0]undec-7-ene In acetonitrile at 82℃; for 18h; | 65% |
1,4,7,10-tetrakis(carboxymethyl)-1,4,7,10-tetraazacyclododecane
3-amino-deoxycombretastatin A4
Conditions | Yield |
---|---|
Stage #1: 1,4,7,10-tetrakis(carboxymethyl)-1,4,7,10-tetraazacyclododecane With thionyl chloride for 4h; Reflux; Stage #2: 3-amino-deoxycombretastatin A4 With N-ethyl-N,N-diisopropylamine In dichloromethane at 30℃; for 3h; Cooling with ice; | 65% |
1,4,7,10-tetrakis(carboxymethyl)-1,4,7,10-tetraazacyclododecane
Conditions | Yield |
---|---|
With (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate; triethylamine In chloroform; N,N-dimethyl-formamide at 20℃; for 30h; | 63% |
1,4,7,10-tetrakis(carboxymethyl)-1,4,7,10-tetraazacyclododecane
Conditions | Yield |
---|---|
In water pH=4; stochiometric amounts;; after 2-3 days crystallization; elem. anal.;; | 60% |
1,4,7,10-tetrakis(carboxymethyl)-1,4,7,10-tetraazacyclododecane
Met-OMe
Conditions | Yield |
---|---|
With O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; for 24h; | 55% |
1,4,7,10-tetrakis(carboxymethyl)-1,4,7,10-tetraazacyclododecane
gadolinium 2-[4,7,10-tris(carboxymethyl)-1,4,7,10-tetraazacyclododec-1-yl]acetic acid
Conditions | Yield |
---|---|
With triethylamine In methanol at 45℃; for 48h; | 55% |
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