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:641-13-4
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
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:641-13-4
Min.Order:1 Kilogram
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
Cas:641-13-4
Min.Order:1 Kilogram
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
Cas:641-13-4
Min.Order:0
Negotiable
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:641-13-4
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryWe are one of a few suppliers that can offer custom synthesis service of this product We are specialized in custom synthesis, chemical/pharmaceutical/ pesticides outsourcing and contract research. We are committed to prov
Cas:641-13-4
Min.Order:100 Gram
FOB Price: $100.0 / 2000.0
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
Shandong 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
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
1, High quality with competitive price:2, Fast and safe delivery3.Excellent pre-sales and after-sales service4. Well-trained and professional technologist and sales with rich experience in the field for 5-10 yearsAppearance:see detailed specification
Cas:641-13-4
Min.Order:0
Negotiable
Type:Trading Company
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
R & D enterprises have their own stock in stock Package:1kg Application:pharmaceutical intermediates
J&H CHEM is one of China's leading providers of integrated fine chemical services including offering, research and development, Custom manufacturing business, as well as other Value-added customer services, for diversified range products of chemicals
Cas:641-13-4
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry1.A strong technical force and advanced processing equipments. The quality of the products has been strictly inspected and all kinds of index have reached or exceeded domestic and international standards.2. Now we have established long-term stable re
1. 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 powder2.
Cas:641-13-4
Min.Order:0
Negotiable
Type:Trading Company
inquiryAnsciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali
Cas:641-13-4
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryWe are a trading company aiming at providing high-quality services to customers. Established for many years, with good reputation in the industry Storage:Sealed and preserved Application:Fine chemical intermediates, used as the main raw material for
best seller Application:API
Cas:641-13-4
Min.Order:0
Negotiable
Type:Trading Company
inquiryDibenzo[def,mno]chrysene-6,12-dione cas 641-13-4Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
Cas:641-13-4
Min.Order:0
Negotiable
Type:Other
inquiryfactory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Cas:641-13-4
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryBest quality with low price Storage:ln stock Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Shanghai
Cas:641-13-4
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry1,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 highl
Cas:641-13-4
Min.Order:0
Negotiable
Type:Trading Company
inquiryHangzhou ZeErRui Chemical Co., Ltd. is focused on customization, research and development and production of APIs and advanced intermediates, which can effectively compensate for the deficiencies of traditional CRO and CMO. Priority of high-tech barri
Wuhan Xinweiye Chemical Co., Ltd. is mainly engaged in the process development and production of customized synthesis and pharmaceutical intermediates. We have professional researchers in organic synthesis, analytical chemistry and production process
AnthanthroneAppearance:ask Storage:Keep in dry and cool condition Package:foil aluminium bag/vacuum packing Application:intermediates Transportation:By express (Door to door) such as FEDEX, DHL, EMS for small amount. By air(airport to airport) or by
Good Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen
[1,1']binaphthyl-8,8'-dicarboxylic acid
anthanthrone
Conditions | Yield |
---|---|
With sulfuric acid at 150 - 200℃; under 20 - 30 Torr; | 91% |
With sulfuric acid | |
With sulfuric acid at 60℃; |
anthranthrene
A
anthanthrone
B
6,12-diacetoxyanthanthrene
C
6-acetoxyanthanthrene
Conditions | Yield |
---|---|
In acetic acid; benzene at 40℃; for 5h; | A n/a B 19% C 47% |
In acetic acid; benzene at 40℃; Rate constant; |
Conditions | Yield |
---|---|
With chromium(VI) oxide; acetic acid |
7-oxo-7H-dibenzo[a,kl]anthracene-13-carboxylic acid
anthanthrone
Conditions | Yield |
---|---|
With potassium hydroxide at 180 - 230℃; |
1,1'-binaphthyl-2,2'-dicarboxylic acid
anthanthrone
Conditions | Yield |
---|---|
With sulfuric acid at 100℃; | |
With chlorosulfonic acid | |
With phosphorus pentachloride; nitrobenzene Versetzen des Reaktionsgemisches mit AlCl3; |
anthanthrone
Conditions | Yield |
---|---|
at 200℃; | |
at 200℃; |
acetic anhydride
[1,1']binaphthyl-8,8'-dicarboxylic acid
A
anthanthrone
B
7-oxo-7H-dibenzo[a,kl]anthracene-13-carboxylic acid
Conditions | Yield |
---|---|
at 150 - 160℃; |
anthanthrone
Conditions | Yield |
---|---|
With copper diacetate; copper; acetic acid In quinoline Heating; |
sulfuric acid
[1,1']binaphthyl-8,8'-dicarboxylic acid
anthanthrone
Conditions | Yield |
---|---|
at 60℃; |
anthanthrone
Conditions | Yield |
---|---|
With sulfuric acid |
anthanthrone
anthanthrone
Conditions | Yield |
---|---|
With sulfuric acid | |
With sulfuric acid |
anthanthrone
Conditions | Yield |
---|---|
With sulfuric acid | |
With sulfuric acid |
anthanthrone
methyl 8-bromonaphthoate
5-bromo-2-iodo-benzoic acid methyl ester
A
anthanthrone
B
9-bromo-7-oxo-7H-benz[de]anthracene-11-carboxylic acid
Conditions | Yield |
---|---|
at 180℃; Erwaermen des Reaktionsprodukts mit Schwefelsaeure; |
methyl 8-bromonaphthoate
methyl 2-bromo-5-nitrobenzoate
A
anthanthrone
Conditions | Yield |
---|---|
at 180℃; Erwaermen des jeweiligen Reaktionsprodukts mit Schwefelsaeure; |
methyl 8-bromonaphthoate
methyl 2-iodo-5-nitrobenzoate
A
anthanthrone
Conditions | Yield |
---|---|
at 180℃; Erwaermen des jeweiligen Reaktionsprodukts mit Schwefelsaeure; |
phosphorus pentachloride
1,1'-binaphthyl-2,2'-dicarboxylic acid
anthanthrone
Conditions | Yield |
---|---|
nachfolgend Einw. von Aluminiumchlorid in Nitrobenzol; |
7-oxo-7H-dibenzo[a,kl]anthracene-13-carboxylic acid
anthanthrone
Conditions | Yield |
---|---|
at 230℃; |
sulfuric acid
[1,1']binaphthyl-8,8'-dicarboxylic acid diethyl ester
anthanthrone
sulfuric acid
(R)-1,1'-binaphthyl-2,2'-dicarboxylic acid
anthanthrone
Conditions | Yield |
---|---|
at 100℃; |
Conditions | Yield |
---|---|
With sodium dichromate |
anthanthrone
6,12-bis(triisopropylsilylethynyl)dibenzo[def,mno]chrysene
Conditions | Yield |
---|---|
Stage #1: lithium triisopropylsilyl acetylide With n-butyllithium In tetrahydrofuran at 0℃; for 1h; Stage #2: anthanthrone With hydrogenchloride; tin(II) chloride dihdyrate In tetrahydrofuran; water at 0 - 20℃; for 3h; | 82% |
Conditions | Yield |
---|---|
With zinc | 39% |
With aluminium cyclohexylate; cyclohexanol |
Conditions | Yield |
---|---|
With sodium amide |
anthanthrone
4,10-dichloro-dibenzo[def,MnO]chrysene-6,12-dione
Conditions | Yield |
---|---|
With sulfuric acid; iodine; chlorine at 45 - 50℃; | |
With sulfuric acid; chlorine; iron(II) sulfate at 45 - 50℃; | |
With sulfuryl dichloride; iodine; nitrobenzene |
Conditions | Yield |
---|---|
With sulfuric acid; bromine; iodine at 100℃; | |
With bromine; iodine; nitrobenzene at 160℃; | |
With sulfuric acid; bromine; iodine at 100℃; |
anthanthrone
2,9-diiodoanthanthrone
Conditions | Yield |
---|---|
With sulfuric acid; iodine | |
With sulfuric acid; iodine at 120 - 180℃; | |
Multi-step reaction with 3 steps 1: nitric acid 2: sodium sulfide 3: Diazotization.Umsetzen mit Kaliumjodid-Loesung View Scheme | |
Multi-step reaction with 3 steps 2: sodium sulfide 3: Diazotization.Umsetzen mit Kaliumjodid-Loesung View Scheme |
anthanthrone
dibenzo[def,MnO]chrysene-6,12-diol
Conditions | Yield |
---|---|
With sodium hydroxide; palladium at 55℃; Hydrogenation; | |
With sodium hydroxide; nickel at 55℃; Hydrogenation; |
anthanthrone
4-bromo-dibenzo[def,MnO]chrysene-6,12-dione
Conditions | Yield |
---|---|
With sulfuric acid; bromine; iodine at 60℃; | |
With sulfuric acid; bromine; iodine at 60℃; |
anthanthrone
Conditions | Yield |
---|---|
With sulfuric acid; potassium iodide at 80℃; | |
With sulfuric acid; iodine at 120℃; man erhitzt anschliessend auf 120-130grad; |
anthanthrone
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: sulfuric acid 2: 90 °C View Scheme | |
Multi-step reaction with 2 steps 1: sulfuric acid 2: 90 °C View Scheme | |
Multi-step reaction with 2 steps 1: sulfuric acid 2: hydrogenchloride; sodium chlorate / 90 °C View Scheme |
anthanthrone
3,9-dihydroxy-dibenzo[def,MnO]chrysene-6,12-dione
Conditions | Yield |
---|---|
With manganese(IV) oxide; potassium hydroxide |
anthanthrone
Conditions | Yield |
---|---|
durch stufenweise Halogenierung; |
anthanthrone
Conditions | Yield |
---|---|
With nitric acid; nitrobenzene | |
With nitric acid; nitrobenzene |
anthanthrone
Conditions | Yield |
---|---|
With sulfuric acid |
anthanthrone
4,10-dinitro-dibenzo[def,MnO]chrysene-6,12-dione
Conditions | Yield |
---|---|
With sulfuric acid; potassium nitrate | |
With sulfuric acid; potassium nitrate | |
With nitric acid |
anthanthrone
6,12-bis-sulfooxy-dibenzo[def,MnO]chrysene
Conditions | Yield |
---|---|
With pyridine; chlorosulfonic acid; iron |
Conditions | Yield |
---|---|
With zinc |
Conditions | Yield |
---|---|
In benzene at 20℃; Rate constant; Quantum yield; Irradiation; also in MeCN; |
Conditions | Yield |
---|---|
In benzene at 20℃; Rate constant; Quantum yield; Irradiation; also in MeCN; |
Conditions | Yield |
---|---|
In benzene at 20℃; Rate constant; Quantum yield; Irradiation; also in MeCN; |
Conditions | Yield |
---|---|
In benzene at 20℃; Rate constant; Quantum yield; Irradiation; also in MeCN; |
Conditions | Yield |
---|---|
In benzene at 20℃; Rate constant; Quantum yield; Irradiation; also in MeCN; |
About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia
Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog
©2008 LookChem.com,License: ICP
NO.:Zhejiang16009103
complaints:service@lookchem.com Desktop View