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:130-23-4
Min.Order:1 Kilogram
FOB Price: $3.0
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:130-23-4
Min.Order:1
Negotiable
Type:Other
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:130-23-4
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryGIHI CHEMICALS exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, GIHI CHEMICALS is your best choice. pls contact with us freely for getting detailed prod
Cas:130-23-4
Min.Order:1 Gram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryOur company engages in Sodium Tripolyphosphate (STPP) and Sodium Hexametabphosphate (SHMP) production; development of noble metal catalysts, synthesis of electronic chemical materials and general chemicals Imp&Exp trading business. The company
Cas:130-23-4
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
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:130-23-4
Min.Order:1 Kilogram
FOB Price: $1.0 / 10.0
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
Cas:130-23-4
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryAbout Product Details Items Specifications Test Results Appearance White to white crystalline powde
Cas:130-23-4
Min.Order:50 Kilogram
FOB Price: $1.0 / 2.0
Type:Lab/Research institutions
inquiryN,N-methylenebis N'-1-(hydroxymethyl)-2,5-dioxo-4-imidazolidinyl urea CAS:130-23-4 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical inte
Cas:130-23-4
Min.Order:1 Gram
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:130-23-4
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:130-23-4
Min.Order:0
Negotiable
Type:Lab/Research institutions
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
Cas:130-23-4
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
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
Cas:130-23-4
Min.Order:0 Metric Ton
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Type:Lab/Research institutions
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
Cas:130-23-4
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:130-23-4
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:130-23-4
Min.Order:100 Gram
FOB Price: $100.0 / 2000.0
Type:Lab/Research institutions
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:130-23-4
Min.Order:1 Kilogram
FOB Price: $98.0 / 102.0
Type:Trading Company
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:130-23-4
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
Type:Trading Company
inquiryZhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice. pls contact with us freely for getting detailed
Cas:130-23-4
Min.Order:1 Kilogram
FOB Price: $2.0
Type:Lab/Research institutions
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
Cas:130-23-4
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiry1.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
Cas:130-23-4
Min.Order:1 Metric Ton
FOB Price: $1.5
Type:Trading Company
inquiryAppearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
Cas:130-23-4
Min.Order:0
Negotiable
Type:Manufacturers
inquiryWe 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
Cas:130-23-4
Min.Order:1 Metric Ton
FOB Price: $1.0
Type:Trading Company
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
Cas:130-23-4
Min.Order:0
Negotiable
Type:Other
inquiryQ1: Are you a manufacturer Answer: Yes, we are factory founded on 2012.Q2: How to contact with us Click "contact supplier" And then send us message the product you interest in, you will get reply within 12 hours.Q3:Which kind of payment terms do you
Cas:130-23-4
Min.Order:0
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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:130-23-4
Min.Order:0
Negotiable
Type:Manufacturers
inquiryTAIHO Unique Advantages:1.We're factory2.Free samples available3.Commodity inspection can be done4.ISO9001,Kosher certifications5.10 years experiences Storage:Store in cool &dry place Package:aluminium foil bag/fiber can/plastic drum Application:comp
Cas:130-23-4
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:130-23-4
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:130-23-4
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryBest quality with low priceAppearance:light brown powder Storage:ln stock Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Shanghai
Cas:130-23-4
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry8-amino-naphthalene-1,3,5-trisulfonic acid
4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid
Conditions | Yield |
---|---|
at 170 - 175℃; unter Druck; |
8-amino-naphthalene-1,3,5-trisulfonic acid
4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid
Conditions | Yield |
---|---|
With alkali hydroxide at 150 - 220℃; |
3-nitrocinnamoyl chloride
4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid
Conditions | Yield |
---|---|
Reduktion und Behandlung des Reaktionsprodukts mit Phosgen bei Gegenwart von Natriumacetat in waessr. Loesung; |
p-nitrobenzenediazonium
4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid
Conditions | Yield |
---|---|
With acid Reduktion des Farbstoffs mit Zinn oder Zinn(II)-chlorid in Salzsaeure; |
Diphenyl-4,4'-bis-diazonium
4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid
4,4'-diamino-5,5'-dihydroxy-6,6'-biphenyl-4,4'-diyl-bis-azo-bis-naphthalene-1,7-disulfonic acid
Conditions | Yield |
---|---|
With sodium carbonate |
Conditions | Yield |
---|---|
nachf. Kuppeln mit Benzoldiazoniumchlorid in saurer und alkal. Loesung und Reduktion des entst. Bisazofarbstoffs mit Zinn(II)-chlorid und konz. Salzsaeure; |
Conditions | Yield |
---|---|
With acid und Reduzieren des Reaktionsprodukts mit Natriumsulfid; |
4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid
Conditions | Yield |
---|---|
With sulfuric acid; bromine; acetic acid |
4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid
Conditions | Yield |
---|---|
durch Austausch von NH2 gegen Cl nach dem Sandmeyerschen Verfahren; |
4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid
Conditions | Yield |
---|---|
Diazotization; |
Conditions | Yield |
---|---|
With alkali |
Conditions | Yield |
---|---|
Reduktion und Behandlung des Reaktionsprodukts mit Phosgen bei Gegenwart von Natriumacetat in waessr. Loesung; |
Conditions | Yield |
---|---|
nachf. Verseifen mit Alkalien unter Durchleiten von Luft; |
4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid
4,5-dihydroxy-naphthalene-1,7-disulfonic acid
Conditions | Yield |
---|---|
With water |
4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid
Conditions | Yield |
---|---|
With sodium carbonate |
4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid
1-benzoylamino-8-hydroxynaphthalene-4,6-disulfonic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: alkali 2: aqueous-alcoholic NaOH-solution View Scheme |
4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: water 2: concentrated hydrochloric acid View Scheme |
4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid
4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid
4-amino-5-hydroxy-2,7-naphthalenedisulfonic acid
B
C18H17N3O12S4
Conditions | Yield |
---|---|
With sodium hydrogencarbonate at 25℃; pH=1 - 1.3; |
4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid
C27H21N3O16S5
Conditions | Yield |
---|---|
Stage #1: C17H15NO9S3 With hydrogenchloride; sodium carbonate; sodium nitrite In water at 0 - 5℃; pH=6.0 - 8.0; Stage #2: 4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid In water at 10 - 20℃; for 4h; pH=2.4 - 2.8; |
ethanol
4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid
4-nitro-2-sulfo-benzoic acid-anhydride
Conditions | Yield |
---|---|
With hydrogenchloride; sodium hydroxide; sodium acetate; sodium acetate trihydrate In water |
4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid
2-methyl-5-nitrobenzoyl chloride
Conditions | Yield |
---|---|
With sodium acetate trihydrate In water |
4-amino-5-hydroxy-1,7-naphthalenedisulfonic acid
methyl 5-nitro-3-chloroformylbenzoate
Conditions | Yield |
---|---|
With sodium acetate trihydrate In sodium hydroxide; water |
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