DayangChem exported this product to many countries and regions at best price in China. If you are looking for the product’s supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product specifica
Cas:145-49-3
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
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
Cas:145-49-3
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryOur Advantage Rich Experience Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term. Quality service Company cooperates with research institutes. We strictly con
Cas:145-49-3
Min.Order:1 Kilogram
FOB Price: $15.0 / 50.0
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
Cas:145-49-3
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiry1,5-Diamino-4,8-dihydroxyanthraquinone CAS NO.:145-49-3 HANGZHOU THINK CHEMICAL CO., LTD. (THINKCHEM) is an integrative corporation of trade, research and contract manufacture. With about ten years of business experiences on the m
Cas:145-49-3
Min.Order:1 Kilogram
FOB Price: $10.0 / 20.0
Type:Other
inquiry1.In No Less 10 years exporting experience. you 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 Specializ
Cas:145-49-3
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
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:145-49-3
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryTop quality 145-49-3 factory 1,5-diamino-4,8-dihydroxyanthraquinone good supplier Molecular Formula C14H10N2O4 Molar Mass 270.24 Density 1.2809 (rough estimate) Melting Point 300℃ Boling Poin
Cas:145-49-3
Min.Order:1 Gram
Negotiable
Type:Other
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 providing h
Cas:145-49-3
Min.Order:0
Negotiable
Type:Other
inquiryOur company was built in 2009 with an ISO certificate.In the past 6 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:145-49-3
Min.Order:1 Kilogram
FOB Price: $1000.0
Type:Lab/Research institutions
inquiryHangzhou Huarong Pharm Co., Ltd.established since 2006 , has been actively developing specialty products for Finished Dosages, APIs, Intermediates, and Fine chemicals markets in North America, Europe, Korea, Japan, Mid-East and all over the World. Hu
Appearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
Cas:145-49-3
Min.Order:0
Negotiable
Type:Manufacturers
inquiryCangzhou Enke Pharma Tech Co.,ltd. is located in Cangzhou City, Hebei province ,where is a famous petroleum chemical industry city in China. Enke Pharma a high-tech enterprise ,and we are dedicated to developing and manufacturing new api
Cas:145-49-3
Min.Order:1 Kilogram
FOB Price: $10.0
Type:Lab/Research institutions
inquirywe are professional Pharmaceutical company. We are specialized in manufacturing and R&D of API & Intermediates, Contract Manufacturing, Contract Research, and International Trading business as well. *We own a R&D center in Hangzhou. I
Cas:145-49-3
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryStock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Cas:145-49-3
Min.Order:0
Negotiable
Type:Lab/Research institutions
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
Cas:145-49-3
Min.Order:0
Negotiable
Type:Lab/Research institutions
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
1.High quality : the purity is 99% min . through multiple producing procedures. 2.Competitive price : low price because of our skilled production technolpgy ,save the production cost at most , and give big profit room to our customers217.Safe and fa
Cas:145-49-3
Min.Order:0
Negotiable
Type:Trading Company
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
Cas:145-49-3
Min.Order:0
Negotiable
Type:Manufacturers
inquiryhigh purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:Beijing or Guangzhou
Cas:145-49-3
Min.Order:0
Negotiable
Type:Lab/Research institutions
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:145-49-3
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryWe product this chemical more than 10 years . We are very experience to export it to many countries, Our superior & stable quality , competitive price gain warm reception from our customers. Application:Chemical intermediate
Cas:145-49-3
Min.Order:0
Negotiable
Type:Trading Company
inquiryWe are committed to providing our customers with the best products and services at the most competitive prices.Appearance:white to yellow powder Storage:Room temperature with sealed well Package:according to the clients requirement Application:Use as
Cas:145-49-3
Min.Order:0
Negotiable
Type:Trading Company
inquiry1,5-Diaminoanthrarufin cas 145-49-3Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application: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
Cas:145-49-3
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryhigh purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:any port in China
Cas:145-49-3
Min.Order:0
Negotiable
Type:Trading Company
inquiryhigh purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:any port in China
Cas:145-49-3
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryfactory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Cas:145-49-3
Min.Order:0
Negotiable
Type:Trading Company
inquiry1.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:145-49-3
Min.Order:10 Milligram
Negotiable
Type:Lab/Research institutions
inquiryConditions | Yield |
---|---|
With sodium hydroxide; palladium-carbon In hydrogen | 97.8% |
Conditions | Yield |
---|---|
Stage #1: 1,5-diaminoanthraquinone With sulfuric acid at 0℃; for 0.25h; Stage #2: With sodium chlorate at 0 - 20℃; for 3.75h; | 83% |
Conditions | Yield |
---|---|
With sodium dithionite; water; boric acid | |
durch Abspaltung beider Sulfogruppen; | |
With pyridine; sodium dithionite; water |
Conditions | Yield |
---|---|
With manganese(IV) oxide; sulfuric acid | |
With manganese(IV) oxide; sulfuric acid |
1,5-diazido-anthraquinone
4,8-diamino-1,5-dihydroxyanthraquinone
Conditions | Yield |
---|---|
With sulfuric acid |
4,8-diamino-1,5-dihydroxyanthraquinone
Conditions | Yield |
---|---|
With hydrogenchloride; acetic acid; tin(ll) chloride weiteres Reagens: Wasser; |
4,8-diamino-1,5-dihydroxyanthraquinone
Conditions | Yield |
---|---|
With sodium hydroxide; zinc anschliessendes Erwaermen; |
4,8-diamino-1,5-dihydroxyanthraquinone
Conditions | Yield |
---|---|
With sodium dithionite at 85 - 90℃; |
4,8-diamino-1,5-dihydroxyanthraquinone
Conditions | Yield |
---|---|
With sodium dithionite; water Kochen des Reaktionsprodukts mit Sodaloesung; |
sulfuric acid
1,5-diaminoanthraquinone
A
4,8-diamino-1,5-dihydroxyanthraquinone
Conditions | Yield |
---|---|
at 30 - 40℃; |
Conditions | Yield |
---|---|
With sulfuric acid; sulfur das Produkt bei 40-45grad halten, in Schwefelsaeure giessen und mit Wasser versetzen, bis die Temperatur auf 100-110grad gestiegen ist; |
1,5-bis-hydroxyamino-anthraquinone
A
4,8-diamino-1,5-dihydroxyanthraquinone
Conditions | Yield |
---|---|
With sulfuric acid; water |
hydrogenchloride
1,5-dihydroxy-4,8-dinitro-anthraquinone
4,8-diamino-1,5-dihydroxyanthraquinone
sulfuric acid
1,5-diazido-anthraquinone
4,8-diamino-1,5-dihydroxyanthraquinone
sulfuric acid
1,5-bis-hydroxyamino-anthraquinone
water
A
4,8-diamino-1,5-dihydroxyanthraquinone
Conditions | Yield |
---|---|
at 100 - 110℃; |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: tin dichloride; water; NaOH-solution / Verduennen und Filtrieren in ein Gemisch aus konz. Salzsaeure und Wasser 2: concentrated sulfuric acid; water View Scheme | |
In ice-water; sulfuric acid; N,N-dimethyl-formamide |
4,8-diamino-1,5-dihydroxyanthraquinone
A
1,4,5,8-tetrahydroxy-anthraquinone
B
1-amino-4,5,8-trihydroxyanthraquinone
C
leuco-1,4,5,8-tetrahydroxyanthraquinone
Conditions | Yield |
---|---|
With sodium dithionite In water at 100℃; for 0.666667h; | A 2.5% B 1.3% C 92% D 6.4% |
Conditions | Yield |
---|---|
With sodium hydroxide; sodium dithionite at 100℃; for 1h; | 80% |
With hydrogenchloride at 180℃; | |
With sodium dithionite; nitrobenzene 1.) 100 deg C; Multistep reaction; |
Conditions | Yield |
---|---|
With hydrogenchloride; aluminium trichloride at 20℃; for 2h; | 75% |
4,8-diamino-1,5-dihydroxyanthraquinone
leuco-1,4,5,8-tetrahydroxyanthraquinone
Conditions | Yield |
---|---|
With sodium hydroxide In water | 74% |
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 110℃; for 24h; | 61% |
Conditions | Yield |
---|---|
With acetic acid at 90℃; for 0.5h; | 56% |
Conditions | Yield |
---|---|
With sulfuric acid at 170℃; |
Conditions | Yield |
---|---|
With acetic anhydride |
m-(trifluoromethyl)benzoyl fluoride
4,8-diamino-1,5-dihydroxyanthraquinone
1,5-dihydroxy-4,8-bis-(3-trifluoromethyl-benzoylamino)-anthraquinone
Conditions | Yield |
---|---|
With pyridine; nitrobenzene |
Conditions | Yield |
---|---|
With pyridine; nitrobenzene |
4,8-diamino-1,5-dihydroxyanthraquinone
3-Bromoalizarin
Conditions | Yield |
---|---|
With sodium acetate; nitrobenzene; copper dichloride |
4,8-diamino-1,5-dihydroxyanthraquinone
4,8-diamino-1,5-dihydroxy-9,10-dioxo-9,10-dihydro-anthracene-2-sulfonic acid
Conditions | Yield |
---|---|
With sulfuric acid; boric acid |
4,8-diamino-1,5-dihydroxyanthraquinone
Conditions | Yield |
---|---|
With alkaline aqueous Na2S2O4 | |
With sodium dithionite |
Conditions | Yield |
---|---|
With manganese(IV) oxide; sulfuric acid Versetzen mit Wasser und anschliessendes Erwaermen; |
4,8-diamino-1,5-dihydroxyanthraquinone
Conditions | Yield |
---|---|
With manganese(IV) oxide; sulfuric acid man behandelt die erhaltene Verbindung in konz. Schwefelsaeure mit krystallinischer Borsaeure; |
tetraacetyl diborate
4,8-diamino-1,5-dihydroxyanthraquinone
acetic anhydride
4,8-diamino-1,5-dihydroxyanthraquinone
acetic anhydride
1,5-bis-acetylamino-4,8-dihydroxy-anthraquinone
Conditions | Yield |
---|---|
With acetic acid |
4,8-diamino-1,5-dihydroxyanthraquinone
5-chlorosulfonyl-2-hydroxybenzoic acid
Conditions | Yield |
---|---|
With sodium acetate; nitrobenzene at 120℃; |
4,8-diamino-1,5-dihydroxyanthraquinone
benzoyl chloride
1,5-bis-benzoylamino-4,8-dihydroxy-anthraquinone
Conditions | Yield |
---|---|
With nitrobenzene |
4,8-diamino-1,5-dihydroxyanthraquinone
chloroacetyl chloride
1,5-bis-(2-chloro-acetylamino)-4,8-dihydroxy-anthraquinone
Conditions | Yield |
---|---|
With nitrobenzene |
4-heptylbenzoyl chloride
4,8-diamino-1,5-dihydroxyanthraquinone
Conditions | Yield |
---|---|
In chlorobenzene for 1h; Heating; |
4-heptylbenzoyl chloride
4,8-diamino-1,5-dihydroxyanthraquinone
Conditions | Yield |
---|---|
In pyridine for 0.5h; Heating; |
Conditions | Yield |
---|---|
With pyridine |
Conditions | Yield |
---|---|
With sulfuric acid; N,N-dimethyl-formamide; sodium nitrite 1) water, 0 deg C, 2 h, 2) 65 deg C, 180 min; Yield given. Multistep reaction; |
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