20-year experience in Phytochemicals Each product has passed very strict tests (NMR\MS\HPLC) Agents in 13 countries Certified by ISO 9001:2015 quality management system Leader Supplier of Botanical Reference Materials in China 3000 kinds of
Our advantages: 1. All inquiries will be replied within 12 hours. 2. Dedication to quality, supply & service. 3. Strictly on selecting raw materials. 4. Reasonable & competitive price, fast lead time. 5. Sample is available for your eva
Cas:52809-07-1
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FOB Price: $9.0 / 99.0
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:52809-07-1
Min.Order:10 Gram
FOB Price: $146.0 / 176.0
Type:Trading Company
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:52809-07-1
Min.Order:1 Kilogram
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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:52809-07-1
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inquiryGMP standard, high purity, competitive price, in stock 1. Quick Response: within 6 hours after receiving your email. 2. Quality Guarantee: All products are strictly tested by our QC, confirmed by QA, and approved by a third-party lab in China, USA,
Zhenyu 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:52809-07-1
Min.Order:1 Kilogram
FOB Price: $2.0
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:52809-07-1
Min.Order:1 Metric Ton
FOB Price: $7.0 / 8.0
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inquiryAppearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
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Cas:52809-07-1
Min.Order:0
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inquiryR & D enterprises have their own stock in stock Package:1kg Application:pharmaceutical intermediates
Cas:52809-07-1
Min.Order:0
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Type:Manufacturers
inquiry1.High quality and competetive price1)We are manufacturer with own lab and factory, can provide high quality products with factory price. 2)Products purity is test by our quality department strictly before sending, and you can also ask the third test
1.Our services:A.Supply sampleB.The packing also can be according the customers` requirmentC.Any inquiries will be replied within 24 hoursD.we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate.
Cas:52809-07-1
Min.Order:0
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.
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:52809-07-1
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Type:Lab/Research institutions
inquiryFactory supply high purity low priceAppearance:solid or liquid Storage:sealed in cool and dry place Package:As customer's requested Application:Pharma Intermediate Transportation:by courier/air/sea Port:Any port in China
Cas:52809-07-1
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inquiryWe are committed to providing our customers with the best products and services at the most competitive prices.Appearance:powder Storage:Room temperature with sealed well Package:according to the clients requirement Application:Use as primary and sec
Supply top quality products with a reasonable price Application:api
QUISQUALIC ACIDAppearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:pharmaceutical intermediate Transportation:by air, by sea, by express
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
good quality, competitive price, thoughtful after sale serviceAppearance:white powder Storage:Keep it in dry,shady and cool place Package:5mg Application:Pharma;Industry;Agricultural;chemical reaserch Transportation:by express or by sea Port:Any port
Stock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
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
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
1.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:52809-07-1
Min.Order:10 Milligram
Negotiable
Type:Lab/Research institutions
inquiryChangzhou Extraordinary Pharmatech co., LTD. As a leading chemical manufacturer and supplier in China.DAS authentication is passed.We can provide the popular precursor chemicals, we have our own strong R & D team, have our own laboratories and fa
Cas:52809-07-1
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryPrice, service, company and transport advantage: 1. Best service, place of origin China, high quality, and reasonable price. 2. It's customers' right to choose the package (EMS, DHL, FEDEX, UPS). 3. It's customers' right
Betterbiochem is specialized in APIs, pharmaceutical intermediates & fine chemicals. 1. The best quality, competitive price. 2. The best service before or after shipment. 3. Rich experience in export operation. 4. Rich experience in
Qingdao Sigma Chemical Ltd is is a global chemical industry manufacturers and suppliers of pharmaceuticals and intermediates, peptide,Nootropis etc API, food and feed additives, herbal extracts, agrochemicals and fine chemicals etc. Our Labo
Cas:52809-07-1
Min.Order:1 Gram
FOB Price: $1.0
Type:Trading Company
inquiryConditions | Yield |
---|---|
With gallium(III) nitrate; pyridoxal 5'-phosphate In water at 62 - 65℃; for 2h; pH=5.0; | 10% |
cysteine synthases from Pisum sativum | |
With acetate buffer; metal ions; pyridoxal 5'-phosphate | |
isoenzyme B (cysteine synthase fromm Quisqualis indica var. villosa) |
quisqualic acid
Conditions | Yield |
---|---|
With Dowex 50W-X8(H); trifluoroacetic acid 1.) 20 deg C, 1 h; Yield given; |
Conditions | Yield |
---|---|
With acetate buffer; metal ions; pyridoxal 5'-phosphate |
Conditions | Yield |
---|---|
With Tris-HCl buffer at 30℃; for 0.166667h; β-cyano-L-alanine synthase (from Spinacia oleracea, Chenopodiaceae); |
quisqualic acid
Conditions | Yield |
---|---|
With Amberlite IR-45; methoxybenzene; trifluoroacetic acid In N,N-dimethyl-formamide at 0℃; for 16h; Yield given; |
((S)-2-Ethoxycarbonylaminocarbonyl-5-oxo-isoxazolidin-4-yl)-carbamic acid tert-butyl ester
quisqualic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: NaOH / tetrahydrofuran; H2O / 0.33 h / 20 °C 2: 1.) CF3COOH, 2.) Dowex 50W-X8(H) / 1.) 20 deg C, 1 h View Scheme |
quisqualic acid
L-2-Amino-3-ureido-propanoic acid
Conditions | Yield |
---|---|
With hydrogen; platinum(IV) oxide In water at 20℃; for 3h; |
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