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:2892-62-8
Min.Order:1 Kilogram
FOB Price: $3.0
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:2892-62-8
Min.Order:1 Metric Ton
Negotiable
Type:Manufacturers
inquiryFactory supply Dibutyl squarate CAS 2892-62-8 with fast delivery Company profile Wuhan Fortuna Chemical Co.,Ltd established in 2006, is a big integrative chemical enterprise being engaged in Pharmaceutical & its intermediates, Food/Feed addi
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Min.Order:10 Kilogram
FOB Price: $10.0
Type:Trading Company
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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Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
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
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Min.Order:1 Kilogram
FOB Price: $10.0 / 20.0
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
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Min.Order:10 Gram
FOB Price: $146.0 / 176.0
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 We can also provide MT1 peptide powd
Cas:2892-62-8
Min.Order:1 Kilogram
FOB Price: $50.0 / 100.0
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
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Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryDibutyl squarate CAS:2892-62-8 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 intermedi
Cas:2892-62-8
Min.Order:1 Gram
Negotiable
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
Our Advantage 1. Rich experience We specialize in this filed for many years, our APIs exported to all over the world and and we established long friendly relations of cooperation with our clients. 2. Great quality,purity and favorable Good qual
Cas:2892-62-8
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
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
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Min.Order:0
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Type:Manufacturers
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:2892-62-8
Min.Order:1 Gram
FOB Price: $43.0
Type:Trading Company
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
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Min.Order:1 Kilogram
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
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Min.Order:0 Metric Ton
Negotiable
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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
Dibutyl squarate CAS 2892-62-8 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
Cas:2892-62-8
Min.Order:1 Kilogram
FOB Price: $10.0 / 50.0
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
A 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:2892-62-8
Min.Order:4 Kilogram
Negotiable
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
Cas:2892-62-8
Min.Order:0 Metric Ton
Negotiable
Type:Other
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
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Min.Order:10 Gram
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Type:Lab/Research institutions
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 on.O
Cas:2892-62-8
Min.Order:1 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryfactory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B
Cas:2892-62-8
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
Type:Trading Company
inquiryShandong Mopai Biotechnology 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 chemicals. W
1.Applied in food field.it can improve the immune system and prolong life. 2.Appliedin cosmetic field.it can improve the skin care. 3.Applied in pharmaceutical field.it can treat various dieases. 4.Our product quality assurance will make our customer
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We are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp
The process is mature and can be mass produced to 100 kg, with good quality and purity up to 99%.The product has a large stock and can be supplied stably. Package:bottle Application:Drug R&D Transportation:Sealed drying(25℃) Port:ShangHai
high 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
high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,or Intermediates,fine chemicals Transportation:air,sea,courier
Tributyl orthoformate
squaric acid
butan-1-ol
3,4-dibutoxy-3-cyclobutene-1,2-dione
Conditions | Yield |
---|---|
for 23.5h; Heating; | 97% |
Conditions | Yield |
---|---|
In benzene Heating; Dean-Stark trap; | 95% |
In benzene for 3h; Heating; | 86% |
for 3h; Reflux; | 74% |
2,3,4,4-tetrachloro-cyclobut-2-en-1-one
butan-1-ol
3,4-dibutoxy-3-cyclobutene-1,2-dione
Conditions | Yield |
---|---|
Heating; | 68% |
Conditions | Yield |
---|---|
In ethanol at 20℃; for 0.333333h; | 100% |
3,4-dibutoxy-3-cyclobutene-1,2-dione
6-ethoxy-N-methyl-2-quinaldinium iodide
C21H23NO4
Conditions | Yield |
---|---|
With triethylamine In butan-1-ol at 25℃; for 12h; | 98% |
Conditions | Yield |
---|---|
In dichloromethane at 0 - 20℃; | 98% |
In dichloromethane at 20℃; |
N-(7-chloroquinolin-4-yl)ethylenediamine
3,4-dibutoxy-3-cyclobutene-1,2-dione
C26H22Cl2N6O2
Conditions | Yield |
---|---|
In methanol for 12h; Reflux; | 97% |
3,4-dibutoxy-3-cyclobutene-1,2-dione
1-[(2'-aminoethylamido)carbonylpentyl α-D-mannopyranosyl(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranosyl(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranosyl(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranosyl(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranosyl(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranoside]-2-butoxycyclobutene-3,4-dione
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In ethanol; water at 21℃; pH=8; | 96% |
3,4-dibutoxy-3-cyclobutene-1,2-dione
(R)-1,2,2-trimethylpropylamine
Conditions | Yield |
---|---|
In tetrahydrofuran; ethanol at 20℃; for 65h; Condensation; | 95% |
3,4-dibutoxy-3-cyclobutene-1,2-dione
6-hydroxy-4-methyl-N-methyl-quinaldinium iodide
C20H21NO4
Conditions | Yield |
---|---|
With triethylamine In butan-1-ol at 25℃; for 12h; | 95% |
3,4-dibutoxy-3-cyclobutene-1,2-dione
1-(2-hydroxyethyl)-2-methylquinoline-1-ium iodide salt
C20H21NO4
Conditions | Yield |
---|---|
With triethylamine In butan-1-ol at 25℃; for 12h; | 95% |
3,4-dibutoxy-3-cyclobutene-1,2-dione
C19H19NO4
Conditions | Yield |
---|---|
With triethylamine In butan-1-ol at 25℃; for 12h; | 95% |
Conditions | Yield |
---|---|
With sodium; butan-1-ol at 20℃; for 0.166667h; | 94% |
3,4-dibutoxy-3-cyclobutene-1,2-dione
C21H24N2O3
Conditions | Yield |
---|---|
With triethylamine In butan-1-ol at 25℃; for 12h; | 94% |
3,4-dibutoxy-3-cyclobutene-1,2-dione
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In ethanol; water at 21℃; pH=8; | 94% |
3,4-dibutoxy-3-cyclobutene-1,2-dione
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In ethanol; water at 21℃; for 0.5h; pH=8; Heating; | 92% |
2-(ethylthio)ethylamine hydrochloride
3,4-dibutoxy-3-cyclobutene-1,2-dione
Conditions | Yield |
---|---|
In diethyl ether at 20℃; for 1h; | 92% |
3,4-dibutoxy-3-cyclobutene-1,2-dione
3-bromopropylamine hydrochloride
1-butoxy-2-(3-bromopropylamino)-1-cyclobutene-3,4-dione
Conditions | Yield |
---|---|
With sodium hydroxide In methanol; water | 91.8% |
With sodium hydroxide In methanol; water | 84% |
With sodium hydroxide In methanol; toluene |
3,4-dibutoxy-3-cyclobutene-1,2-dione
3-bromopropylamine hydrochloride
1-butoxy-2-(3-bromopropylamino)-1-cyclobutene-3,4-dione
Conditions | Yield |
---|---|
With sodium hydroxide In methanol; water | 91.8% |
With sodium hydroxide In methanol; water | 84% |
Conditions | Yield |
---|---|
In diethyl ether for 0.25h; Ambient temperature; | 91% |
3,4-dibutoxy-3-cyclobutene-1,2-dione
N-isopropylhydroxylamine hydrochloride
3-butoxy-4-(hydroxy-isopropyl-amino)-cyclobut-3-ene-1,2-dione
Conditions | Yield |
---|---|
With potassium hydroxide In methanol at 20℃; for 5h; | 91% |
3,4-dibutoxy-3-cyclobutene-1,2-dione
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In ethanol; water at 21℃; pH=8; | 91% |
Conditions | Yield |
---|---|
In diethyl ether at 20℃; for 1h; | 91% |
3,4-dibutoxy-3-cyclobutene-1,2-dione
3-diethylaminophenol
(E)-2-(4-(diethylamino)-2-hydroxyphenyl)-4-(4-(diethyliminio)-2-hydroxycyclohexa-2,5-dien-1-ylidene)-3-oxocyclo but-1-en-1-olate
Conditions | Yield |
---|---|
With sulfuric acid; water In butan-1-ol at 125 - 130℃; | 90% |
3,4-dibutoxy-3-cyclobutene-1,2-dione
primaquine diphosphate
C34H40N6O4
Conditions | Yield |
---|---|
Stage #1: primaquine diphosphate With triethylamine In methanol at 20℃; for 0.5h; Inert atmosphere; Stage #2: 3,4-dibutoxy-3-cyclobutene-1,2-dione In methanol for 48h; Inert atmosphere; Reflux; | 89% |
3,4-dibutoxy-3-cyclobutene-1,2-dione
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In ethanol; water for 0.5h; pH=8; | 89% |
3,4-dibutoxy-3-cyclobutene-1,2-dione
(2'-aminoethylamido)carbonylpentyl 4,6-dideoxy-4-formamido-α-D-mannopyranosyl-(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranosyl-(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranosyl-(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranosyl-(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranosyl-(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranoside
1-[(2'-aminoethylamido)carbonylpentyl 4,6-dideoxy-4-formamido-α-D-mannopyranosyl-(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranosyl-(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranosyl-(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranosyl-(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranosyl-(1→2)-4,6-dideoxy-4-formamido-α-D-mannopyranoside]-2-butoxycyclobutene-3,4-dione
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In ethanol; water at 21℃; for 0.5h; pH=8; Heating; | 88% |
3,4-dibutoxy-3-cyclobutene-1,2-dione
tert-butylamine
3-butoxy-4-(tert-butylamino)-cyclobut-3-ene-1,2-dione
Conditions | Yield |
---|---|
In tetrahydrofuran at 20℃; for 71h; Condensation; | 87% |
In dichloromethane at 20℃; for 20h; | 74% |
In dichloromethane at 20℃; |
3,4-dibutoxy-3-cyclobutene-1,2-dione
(1R,2S)-2-Amino-1,2-diphenylethanol
Conditions | Yield |
---|---|
With triethylamine In ethanol at 20℃; for 24h; | 87% |
Conditions | Yield |
---|---|
Stage #1: C39H56N2O6 With trifluoroacetic acid at 20℃; for 0.333333h; Stage #2: 3,4-dibutoxy-3-cyclobutene-1,2-dione With N-ethyl-N,N-diisopropylamine In chloroform Reflux; | 86.8% |
2-methyl-2-butylamine
3,4-dibutoxy-3-cyclobutene-1,2-dione
3-butoxy-4-(1,1-dimethyl-propylamino)-cyclobut-3-ene-1,2-dione
Conditions | Yield |
---|---|
In tetrahydrofuran at 20℃; for 19.5h; Condensation; | 86% |
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