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:2219-31-0
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryhigh quality T he company has advanced technology, as well as a large number of excellent R & D team, to provide customers from the grams to one hundred kilograms and tons of high-quality products, competitive prices and quality service
Cas:2219-31-0
Min.Order:1 Kilogram
Negotiable
Type:Manufacturers
inquiry1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s
Cas:2219-31-0
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
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
Our 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:2219-31-0
Min.Order:1 Kilogram
FOB Price: $1.0 / 10.0
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:2219-31-0
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
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:2219-31-0
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryL-Canavanine sulfate CAS:2219-31-0 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 inter
Cas:2219-31-0
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:2219-31-0
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:2219-31-0
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:2219-31-0
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryAppearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
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:2219-31-0
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
Cas:2219-31-0
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
Q1: 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
Acmec is a leading manufacturer and supplier of biochemical reagents and life science products. We have over 40,000 items in stock (real-time inventory) and offer discounted prices to registered members of the online store ( www.acmec.com.cn ) Appea
Cas:2219-31-0
Min.Order:1 bottle
Negotiable
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 powder2.
best price high quality Storage:Room Temperature Application:For pharmacy chemicals Transportation:by sea,air
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:2219-31-0
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry★.Best quality according to requirement ★.Competitive price in China market ★.Mature Technical support ★.Professional logistic support
L-Canavanine sulfateAppearance: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
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
BOC Sciences provides a wide range of research chemicals and biochemicals including inhibitors, building blocks, GMP Products, impurities and metabolites, APIs for Veterinary, Natural Compounds, ADCs, Stem Cell Molecule and chiral compounds.Appearanc
Good Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen
high 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
Known for its best quality and competitve price, this chemicals we offered is widely appreciated by our customers.Appearance:White powder Storage:keep sealed and keep from direct light Package:According client's requirements Application:pharmaceutica
Conditions | Yield |
---|---|
With thionyl chloride at 0 - 20℃; for 18h; Inert atmosphere; | 99% |
potassium hexafluorophosphate
(-)-canavaninium sulfate
Conditions | Yield |
---|---|
In water Pt-complex, the guanidine kept at 40°C, 4d, pH adjusted to ca 9.0 with 1M NaOH, chromy. (cation exchanger CM52; elution: potassium phosphate buffer pH7.0), evapn. (vac.) to conc. vol., satd. aq. soln. of KPF6 added, left at 4°C, red pptn.; filtered, washed (cold MeOH, cold OEt2), elem. anal.; | 92% |
(-)-canavaninium sulfate
Conditions | Yield |
---|---|
In water Pt-complex, the guanidine in potassium phosphate buffer of pH 8.5 kept at 40°C, 9h, color change from orange to deep red; filtered, evapn. to minimum of vol., chromy. (CM52 cation exchanger; elution with potassium phosphate buffer pH 8.5 first at 4°C, then at room temp.); |
(-)-canavaninium sulfate
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: thionyl chloride / 18 h / 0 - 20 °C / Inert atmosphere 2: triethylamine / water; tetrahydrofuran / 1 h / 20 °C 3: triethylamine / water; tetrahydrofuran / 18 h / 20 °C View Scheme |
(-)-canavaninium sulfate
Cbz-Cav(N,N-Boc)-OH
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: thionyl chloride / 18 h / 0 - 20 °C / Inert atmosphere 2: triethylamine / water; tetrahydrofuran / 1 h / 20 °C 3: triethylamine / water; tetrahydrofuran / 18 h / 20 °C 4: lithium hydroxide monohydrate; water / tetrahydrofuran / 4 h / 20 °C View Scheme |
(-)-canavaninium sulfate
Conditions | Yield |
---|---|
Multi-step reaction with 6 steps 1.1: thionyl chloride / 18 h / 0 - 20 °C / Inert atmosphere 2.1: triethylamine / water; tetrahydrofuran / 1 h / 20 °C 3.1: triethylamine / water; tetrahydrofuran / 18 h / 20 °C 4.1: lithium hydroxide monohydrate; water / tetrahydrofuran / 4 h / 20 °C 5.1: O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; N-ethyl-N,N-diisopropylamine / N,N-dimethyl-formamide / 0.17 h / 20 °C 5.2: 18 h / 20 °C 6.1: dichloromethane / 18 h / 20 °C View Scheme |
(-)-canavaninium sulfate
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1.1: thionyl chloride / 18 h / 0 - 20 °C / Inert atmosphere 2.1: triethylamine / water; tetrahydrofuran / 1 h / 20 °C 3.1: triethylamine / water; tetrahydrofuran / 18 h / 20 °C 4.1: lithium hydroxide monohydrate; water / tetrahydrofuran / 4 h / 20 °C 5.1: O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; N-ethyl-N,N-diisopropylamine / N,N-dimethyl-formamide / 0.17 h / 20 °C 5.2: 18 h / 20 °C View Scheme |
(-)-canavaninium sulfate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: thionyl chloride / 18 h / 0 - 20 °C / Inert atmosphere 2: triethylamine / water; tetrahydrofuran / 1 h / 20 °C View Scheme |
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