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:66990-32-7
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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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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:66990-32-7
Min.Order:10 Gram
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inquiry66990-32-7 10,12-PENTACOSADIYNOIC ACID 1.Large qty in stock 2.High quality 3.Lowest price 4.Best service Our Advantage 1. Risk-free guarantee,15days refund 2. Most of the products in stock,can ship within 7days after the order 3
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Min.Order:1 Kilogram
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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
Cas:66990-32-7
Min.Order:4 Kilogram
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Type:Lab/Research institutions
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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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
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inquiryHigh quality,stable supply chain.Appearance:white/off-white or light yellow Storage:Store in cool and dry place, keep away from strong light and heat. Package:aluminum bottle,glass bottle,PTFE bottle,cardboard drum Application:This product can be use
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inquiryStock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
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inquiryLower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe
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inquiryhigh purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou
Acmec is a leading manufacturer and supplier of biochemical reagents and life science products. We have over 40,000 items in stock (real-time inventory) and offer discounted prices to registered members of the online store ( www.acmec.com.cn ) Appea
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Min.Order:1 bottle
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inquiryhigh quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea
bulk productiongoods in stockswe have the best competitive price in the marketmeantime,we are committed to service to our every customer Chemsigma International Co.,Ltd. is a chemical manufacturer, specialize in custom synthesis and organic chemical
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inquiry10,12-PENTACOSADIYNOIC ACIDAppearance:Off-white solid Storage:room temperature Package:as required Application:66990-32-7 Transportation:by sea/ by express
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inquiryWe are committed to providing our customers with the best products and services at the most competitive prices.Appearance:white powder Storage:Room temperature with sealed well Package:according to the clients requirement Application:Use as primary a
excellent quality and reliable supplierAppearance:COA mentioned Storage:COA mentioned Package:Standard or custom package Application:pharmaceutical raw materails Transportation:sea/air /courier Port:China main port
Cas:66990-32-7
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inquiry10,12-Pentacosadiynoic AcidAppearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:pharmaceutical intermediate Transportation:by air, by sea, by express
Best quality with low price Storage:ln stock Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Shanghai
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inquiryfactory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Best Seller, High Quality, Competitive Price, Fast Delivery, Quick ResponseAppearance:powder, or liquid Storage:Stored in room temperature, ventilated place Package:Bottle, barrel, cargo, container, etc. Application:Pharmaceuticals, intermediates, AP
1.Professional synthesis laboratory and production base. 2.Strong synthesis team and service team. 3.Professional data management system. 4.We provide the professional test date and product information ,ex. HNMR ,CNMR,FNMR, HPLC/G
Cas:66990-32-7
Min.Order:10 Milligram
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inquiryHenan Sunlake Enterprise Corporation Our Advantages 1, Any inquiry about ch
Cas:66990-32-7
Min.Order:1 Kilogram
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Type:Trading Company
inquiryChangzhou Extraordinary Pharmatech co., LTD. As a leading chemical manufacturer and supplier in China.DAS authentication is passed.We can provide the popular precursor chemicals, we have our own strong R & D team, have our own laboratories and fa
Cas:66990-32-7
Min.Order:1 Gram
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Type:Lab/Research institutions
inquiryBefore-Sale Service:---Any inquiries will be replied within 12 hours.---Golden Manufactory under?ISO/GMP?with?large stock.---Dedication to quality,We?have?strict?quality?control?system.?---OEM/ODM Available.---Sample is available for your evaluation
Cas:66990-32-7
Min.Order:0
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Type:Lab/Research institutions
inquiryZhengzhou Kingorgchem Chemical Technology Co., Ltd. was founded on the basis of Organophosphorus Chemistry Lab of Institute of Chemistry Henan Academy of Sciences in 2015. The laboratory covers 600 m2 and the pilot plant covers 2000 m2. Kingorgchem i
Cas:66990-32-7
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Type:Lab/Research institutions
inquiryPrice, 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
Cas:66990-32-7
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inquiryHebei ruishun trade co.,ltd, registered capital one million,have a production of pharmaceutical raw materials, pharmaceutical raw materials factory reagent r&d center,seek development by credit reputation.our products have a large price advanta
Cas:66990-32-7
Min.Order:10 Gram
FOB Price: $0.9 / 1.2
Type:Trading Company
inquiryfactory,reasonable price Appearance:detailed see specifications Storage:Store in dry, dark and ventilated place. Package:according to the clients requirement Application:pharmaceutical intermediates Transportation:by courier,air or sea Port:S
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inquiryundec-10-ynoic acid
1-chloro-tetradec-1-yne
10,12-pentacosanodiynoic acid
Conditions | Yield |
---|---|
With potassium hydroxide; methylamine; copper(l) chloride In tetrahydrofuran; methanol; water 1) 20 deg C, 4 h, 2) 40 deg C, 1 h; | 52% |
10,12-pentacosanodiynoic acid
pentacosa-10,12-diynoyl chloride
Conditions | Yield |
---|---|
With oxalyl dichloride In dichloromethane | 100% |
With thionyl chloride In Petroleum ether for 3h; Heating; | 98% |
With phosphorus pentachloride In benzene Heating; |
1-hydroxy-pyrrolidine-2,5-dione
10,12-pentacosanodiynoic acid
N-succinimidyl 10,12-pentacosadiynoic acid ester
Conditions | Yield |
---|---|
With N-(3-dimethylaminopropyl)-N-ethylcarbodiimide In dichloromethane at 20℃; for 12h; Inert atmosphere; | 100% |
With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃; for 7h; | 97% |
With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃; for 2h; | 96% |
10,12-pentacosanodiynoic acid
10,12-pentacosadiynoic acid fluoride
Conditions | Yield |
---|---|
With pyridine; trifluoro-[1,3,5]triazine In dichloromethane for 3h; Heating; | 99% |
With dmap; trifluoromethyl trifluoromethanesulfonate In dichloromethane at 20℃; for 1h; Inert atmosphere; Schlenk technique; | 78% |
Conditions | Yield |
---|---|
for 1.5h; Milling; | 98% |
10,12-pentacosanodiynoic acid
ethyl 2-(5-(N-(2-(2-(2-(2,3-diaminopropanoylamino)ethoxy)ethyl)carbamoyl)-3-bis(ethoxycarbonyl)methyl)amino)acetate
Conditions | Yield |
---|---|
With (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate; triethylamine In acetonitrile for 12h; Ambient temperature; | 97% |
10,12-pentacosanodiynoic acid
Conditions | Yield |
---|---|
With (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate; triethylamine In chloroform; N,N-dimethyl-formamide at 25℃; for 15h; Substitution; | 96% |
10,12-pentacosanodiynoic acid
10,12-pentacosadiyne-1-ol
Conditions | Yield |
---|---|
With lithium aluminium tetrahydride In diethyl ether at 20℃; for 1.5h; Inert atmosphere; | 96% |
With lithium aluminium tetrahydride In diethyl ether at 4 - 20℃; for 1.5h; Inert atmosphere; | 96% |
With lithium aluminium tetrahydride In tetrahydrofuran at 0 - 20℃; for 1.75h; | 91% |
Conditions | Yield |
---|---|
for 0.75h; Milling; | 96% |
10,12-pentacosanodiynoic acid
(S)-2,5-Bis-pentacosa-10,12-diynoylamino-pentanoic acid ethyl ester
Conditions | Yield |
---|---|
With (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate; triethylamine In chloroform at 25℃; for 12h; | 95% |
Conditions | Yield |
---|---|
for 0.75h; Milling; | 94% |
Conditions | Yield |
---|---|
Stage #1: 10,12-pentacosanodiynoic acid With 1-hydroxy-pyrrolidine-2,5-dione; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In chloroform at 0 - 20℃; for 12h; Stage #2: C66H86O41 In chloroform at 20℃; for 20h; | 92% |
methanol
10,12-pentacosanodiynoic acid
methyl pentacosa-10,12-diynoate
Conditions | Yield |
---|---|
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In tetrahydrofuran at 20℃; | 91% |
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride at 20℃; for 18h; Inert atmosphere; |
10,12-pentacosanodiynoic acid
Conditions | Yield |
---|---|
With sodium hydroxide for 0.75h; Milling; | 91% |
10,12-pentacosanodiynoic acid
[(2-{2-[2-(2,3-bis-pentacosa-10,12-diynoylamino-propionylamino)-ethoxy]-ethoxy}-ethyl)-ethoxycarbonylmethyl-amino]-acetic acid ethyl ester
Conditions | Yield |
---|---|
With (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate; triethylamine In acetonitrile for 24h; Ambient temperature; | 90% |
tert-butyl [amine(methylthio)methylene]carbamate
10,12-pentacosanodiynoic acid
tert-butyl (pentacosa-10,12-diynamido)methylthiomethylenecarbamate
Conditions | Yield |
---|---|
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; Inert atmosphere; | 89% |
2-(2′-(2″-bromoethoxy)ethoxy)ethanol
10,12-pentacosanodiynoic acid
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 0℃; for 2h; | 89% |
Conditions | Yield |
---|---|
for 1.5h; Milling; | 89% |
N-ethylethane-1,2-diamine
10,12-pentacosanodiynoic acid
Conditions | Yield |
---|---|
Stage #1: 10,12-pentacosanodiynoic acid With dicyclohexyl-carbodiimide In dichloromethane at 0℃; for 1h; Stage #2: N-ethylethane-1,2-diamine In dichloromethane at 20℃; | 88% |
Stage #1: 10,12-pentacosanodiynoic acid With dicyclohexyl-carbodiimide In dichloromethane at 0℃; for 1h; Stage #2: N-ethylethane-1,2-diamine In dichloromethane at 20℃; for 1h; | 88% |
2-methoxy-ethanol
10,12-pentacosanodiynoic acid
Conditions | Yield |
---|---|
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In tetrahydrofuran at 20℃; for 18h; | 86% |
Succinimide
10,12-pentacosanodiynoic acid
N-succinimidyl 10,12-pentacosadiynoic acid ester
Conditions | Yield |
---|---|
With 1,2-dichloro-ethane In dichloromethane | 85% |
With 1,2-dichloro-ethane In dichloromethane | 85% |
4-aminopyridine
10,12-pentacosanodiynoic acid
Conditions | Yield |
---|---|
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 0 - 20℃; Inert atmosphere; | 84% |
10,12-pentacosanodiynoic acid
Propargylamine
N-(2-propynyl)pentacosa-10,12-diynamide
Conditions | Yield |
---|---|
With dmap; diisopropyl-carbodiimide In dichloromethane at 20℃; for 16h; | 83% |
Conditions | Yield |
---|---|
With O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; for 18h; | 80% |
1,6-Hexanediamine
10,12-pentacosanodiynoic acid
N,N'-hexamethylenebispentacosa-10,12-diynamide
Conditions | Yield |
---|---|
With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 0 - 20℃; for 13h; | 79% |
With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In chloroform at 0 - 20℃; | 65% |
10,12-pentacosanodiynoic acid
2-butyl-6-(piperazin-1-yl)-1H-benzo[de]isoquinoline-1,3(2H)-dione
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 20℃; | 79% |
1-bromo-6-hexanol
10,12-pentacosanodiynoic acid
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 0℃; for 2h; | 78% |
10,12-pentacosanodiynoic acid
Trimethylenediamine
N,N'-propylenebispentacosa-10,12-diynamide
Conditions | Yield |
---|---|
With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 0 - 20℃; for 13h; | 78% |
10,12-pentacosanodiynoic acid
1,4-diaminobutane
N,N'-butylenebispentacosa-10,12-diynamide
Conditions | Yield |
---|---|
With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 0 - 20℃; for 13h; | 76% |
With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In chloroform at 0 - 20℃; | 75% |
10,12-pentacosanodiynoic acid
N,N-bis(carboxymethyl)-L-lysine
N(6)-pentacosa-10,12-diynoyl-N(2),N(2)-bis(carboxymethyl)lysine
Conditions | Yield |
---|---|
Stage #1: 10,12-pentacosanodiynoic acid With 1-hydroxy-pyrrolidine-2,5-dione; N-(3-dimethylaminopropyl)-N-ethylcarbodiimide In dichloromethane at 20℃; for 12h; Inert atmosphere; Stage #2: N,N-bis(carboxymethyl)-L-lysine With triethylamine In water; N,N-dimethyl-formamide at 20℃; for 12h; | 76% |
10,12-pentacosanodiynoic acid
Conditions | Yield |
---|---|
With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In methanol at 20℃; for 14h; | 75% |
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