Our advantages: 1, High quality with competitive price: 1) Standard:BP/USP/EP/Enterprise standard 2) All Purity≥99% 3) We are manufacturer and can provide high quality products with factory price. 2, Fast and safe delivery 1) Parcel can be
Cas:509-34-2
Min.Order:1 Gram
FOB Price: $9.0 / 15.0
Type:Trading Company
inquirySolvent Red 49 Basic information Product Name: Solvent Red 49 Synonyms: SOLVENT RED 49;RHODAMINE B STEARATE;RHODAMINE B BASE;RHODAMINE B BASE, ALCOHOL SOLUBLE;9&rsq
The 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:509-34-2
Min.Order:1
Negotiable
Type:Other
inquiryMetal-complex solvent dyes has excellent Solubility and miscibility in wide range of organic solvents,and also has good compatibility with various sort of synthetic and natural resins. The outstanding properties of solubility in solvents,light,heat f
Cas:509-34-2
Min.Order:25 Kilogram
Negotiable
Type:Manufacturers
inquiryShanghai Seasonsgreen Chemical is a high-tech research and development, production, sale and custom synthesis set in one high-tech chemical products enterprises. Our sales and marketing division is located in Shanghai, serving international pharmaceu
Cas:509-34-2
Min.Order:1 Kilogram
FOB Price: $1.0
Type:Manufacturers
inquiryimg _fcksavedurl="/UserAppearance:detailed see specifications Storage:Store in dry, dark and ventilated place. Package:according to the clients requirement Application:509-34-2 Transportation:by air or by sea Port:Shanghai
Cas:509-34-2
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:509-34-2
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
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:509-34-2
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
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:509-34-2
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
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:509-34-2
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquirySolvent Red 49 CAS:509-34-2 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 intermediat
Cas:509-34-2
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:509-34-2
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:509-34-2
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryAppearance:off-white to white solid Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used for Synthesis API and Research Transportation:By Sea/Air/Courier Port:Qingdao
Cas:509-34-2
Min.Order:1 Kilogram
FOB Price: $16.0 / 20.0
Type:Lab/Research institutions
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
Hangzhou 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:509-34-2
Min.Order:0 Metric Ton
Negotiable
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:509-34-2
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:509-34-2
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:509-34-2
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
Cas:509-34-2
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:509-34-2
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
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
Appearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
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
We produce carbomer by our own factory,carbomer 940 is our best seller.It is used for cosmetic and medical.And we also become agent for lubrizol.Our carbomer 940 get high viscosity and good transparency.The price will depond on the market,surely supp
Lower 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
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
Cas:509-34-2
Min.Order:0
Negotiable
Type:Other
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 powder2.
Ansciep 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:509-34-2
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryConditions | Yield |
---|---|
With sodium hydroxide In water for 2h; Inert atmosphere; | 94% |
With sodium hydroxide In water | 90% |
With sodium hydroxide | 90.2% |
With sodium hydroxide In ethyl acetate |
rhodamine B
Conditions | Yield |
---|---|
With sodium hydroxide In ethyl acetate | 93% |
Conditions | Yield |
---|---|
With sulfuric acid at 180 - 190℃; | |
at 180℃; |
2'-Carboxy-4-diethylamino-2-hydroxybenzophenon
3-diethylaminophenol
rhodamine B
Conditions | Yield |
---|---|
With sulfuric acid | |
With sulfuric acid |
Conditions | Yield |
---|---|
erythromycin In dimethyl sulfoxide Rate constant; various solvents; | |
In chloroform at 25 - 50℃; Equilibrium constant; Rate constant; effect of erythromycin A; | |
In ethanol at 25℃; Equilibrium constant; Thermodynamic data; other temperatures; other solvents; | |
In methanol at 24.9℃; under 735.8 Torr; Equilibrium constant; var. solvents and pressure; | |
In ethanol Equilibrium constant; |
rhodamine B
Conditions | Yield |
---|---|
With ethanol; sodium acetate at 200 - 220℃; im Autoklaven; |
rhodamine B
rhodamine B
Conditions | Yield |
---|---|
With sodium hydroxide |
rhodamine B
Conditions | Yield |
---|---|
With trichlorophosphate In dichloromethane for 3h; Reflux; Inert atmosphere; | 100% |
With trichlorophosphate In dichloromethane for 4h; Heating; | |
With trichlorophosphate In dichloromethane for 4h; Reflux; |
Conditions | Yield |
---|---|
In acetonitrile at 20℃; for 24h; | 98% |
Conditions | Yield |
---|---|
Stage #1: piperazine With trimethylaluminum In dichloromethane; toluene at 20℃; for 1h; Stage #2: rhodamine B In dichloromethane; toluene for 1h; Inert atmosphere; Microwave irradiation; | 98% |
Stage #1: piperazine With trimethylaluminum In dichloromethane; toluene for 1h; Inert atmosphere; Stage #2: rhodamine B In dichloromethane; toluene for 24h; Inert atmosphere; Reflux; | 56.8% |
Stage #1: piperazine With trimethylaluminum In dichloromethane; toluene at 20℃; for 1h; Inert atmosphere; Stage #2: rhodamine B In dichloromethane; toluene for 72h; Inert atmosphere; Reflux; | 20% |
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In acetonitrile at 90℃; for 1h; | 98% |
Conditions | Yield |
---|---|
for 24h; Reflux; | 95% |
In ethanol for 12h; Heating; | 77% |
In ethanol for 12h; Reflux; | 76% |
Conditions | Yield |
---|---|
In acetonitrile at 20℃; for 2.5h; | 93% |
Conditions | Yield |
---|---|
In ethanol for 8h; Reflux; | 91% |
rhodamine B
Conditions | Yield |
---|---|
With hydroxylamine hydrochloride; sodium hydroxide In ethanol; water for 10h; Reflux; | 91% |
With hydroxylamine hydrochloride; sodium hydroxide In ethanol; water at 25℃; for 2h; | 75% |
Stage #1: rhodamine B With trichlorophosphate In dichloromethane for 6h; Reflux; Stage #2: With hydroxylamine hydrochloride; triethylamine In dichloromethane at 0 - 20℃; for 48h; Inert atmosphere; | 72% |
rhodamine B
Trimethylenediamine
2-(3-aminopropyl)-3',6'-bis(diethylamino)spiro[isoindoline-1,9'-xanthen]-3-one
Conditions | Yield |
---|---|
In ethanol for 12h; Reflux; | 90% |
Conditions | Yield |
---|---|
In ethanol for 12h; Reflux; | 88% |
rhodamine B
rhodamine B hydrazide
Conditions | Yield |
---|---|
With hydrazine hydrate In ethanol at 120℃; for 8h; | 85% |
With hydrazine hydrate In ethanol at 20℃; for 0.5h; Reflux; | 85% |
With hydrazine hydrate In ethanol at 20℃; for 12.5h; Reflux; | 85% |
Conditions | Yield |
---|---|
In ethanol for 73h; Inert atmosphere; Reflux; | 83.1% |
In ethanol for 36h; Inert atmosphere; Reflux; | 83.1% |
In ethanol for 36h; Inert atmosphere; Reflux; | 77.6% |
Conditions | Yield |
---|---|
In dichloromethane; acetone at 20℃; for 4h; | 82% |
Conditions | Yield |
---|---|
Stage #1: rhodamine B With trichlorophosphate In 1,2-dichloro-ethane for 4h; Heating; Stage #2: N-methoxylamine hydrochloride With triethylamine In dichloromethane at 20℃; for 0.5h; Further stages.; | 81% |
Conditions | Yield |
---|---|
In ethanol at 85℃; for 48h; | 80.3% |
Conditions | Yield |
---|---|
In ethanol at 85℃; for 72h; | 76.7% |
Conditions | Yield |
---|---|
Stage #1: rhodamine B With p-toluenesulfonyl chloride In acetonitrile for 0.25h; Stage #2: With dmap In acetonitrile for 0.25h; Stage #3: ethanolamine In acetonitrile | 71.5% |
In ethanol Reflux; Inert atmosphere; | 68% |
piperazine
rhodamine B
trifluoroacetic acid
N-(6-(diethylamino)-9-(2-(piperazine-1-carbonyl)phenyl)-3H-xanthen-3-ylidene)-N-ethylethanaminium 2,2,2-trifluoroacetate
Conditions | Yield |
---|---|
Stage #1: piperazine; rhodamine B With trimethylaluminum In dichloromethane for 20h; Reflux; Stage #2: trifluoroacetic acid | 71% |
piperazine
rhodamine B
N-(6-(diethylamino)-9-(2-(piperazine-1-carbonyl)phenyl)-3H-xanthen-3-ylidene)-N-ethylethanaminium
Conditions | Yield |
---|---|
Stage #1: piperazine With trimethylaluminum In dichloromethane; toluene at 20℃; for 1h; Stage #2: rhodamine B In dichloromethane; toluene for 24h; Heating; | 70% |
With N-ethyl-N,N-diisopropylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate In N,N-dimethyl-formamide | |
With trimethylaluminum | |
With N-ethyl-N,N-diisopropylamine; HATU In N,N-dimethyl-formamide Inert atmosphere; |
2-(2-fluoroethoxy)ethyl 4-methylbenzenesulfonate
rhodamine B
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In acetonitrile for 2h; Reflux; | 70% |
rhodamine B
rhodamine B thiospirolactone
Conditions | Yield |
---|---|
With Lawessons reagent In benzene for 4h; Heating; | 65% |
Conditions | Yield |
---|---|
With trichlorophosphate In acetonitrile for 4h; Reflux; | 62% |
Conditions | Yield |
---|---|
With triethylamine; trichlorophosphate In 1,2-dichloro-ethane for 24h; Reflux; | 61% |
Conditions | Yield |
---|---|
With trichlorophosphate at 70℃; for 0.5h; | 60% |
Conditions | Yield |
---|---|
With trifluoroacetic acid In ethanol for 2.55h; Photolysis; | 59% |
Conditions | Yield |
---|---|
Stage #1: rhodamine B With trichlorophosphate for 4h; Reflux; Stage #2: 1,2-diamino-benzene With triethylamine In acetonitrile at 20℃; | 56% |
Conditions | Yield |
---|---|
Stage #1: rhodamine B With trichlorophosphate Reflux; Stage #2: dansyl hydrazine With triethylamine In dichloromethane at 20℃; for 12h; | 54% |
Stage #1: rhodamine B With trichlorophosphate for 6h; Reflux; Stage #2: dansyl hydrazine With triethylamine In dichloromethane at 20℃; for 12h; | 46% |
Conditions | Yield |
---|---|
Stage #1: piperazine; rhodamine B With trimethylaluminum In hexane; dichloromethane for 24h; Inert atmosphere; Reflux; Stage #2: With hydrogenchloride In hexane; dichloromethane; water Inert atmosphere; | 52% |
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