ADVANTAGE: 1. More than 3,000 Chinese medicine reference substances / standard products available from stock, issued on the same day, multiple cities can be delivered the next day 2. The products are provided with COA, HPLC, NMR, quality assurance,
18-year experience in Phytochemicals Each product has passed very strict tests (NMR\MS\HPLC) Agents in 13 countries Certified by ISO 9001:2008 quality management system Leader Supplier of Botanical Reference Materials in China
Shanghai 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:1343403-10-0
Min.Order:1 Kilogram
FOB Price: $1.0
Type:Manufacturers
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:1343403-10-0
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:1343403-10-0
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:1343403-10-0
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryNanjing Spring & Autumn Biological Engineering Co., Ltd. Which was founded at 2008, has an R & D team composed very experienced natural products chemists. The company is a high-tech enterprise engaged in functional health care products raw ma
Cas:1343403-10-0
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryA substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc
Cas:1343403-10-0
Min.Order:4 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry1)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 etc. 3) oem/odm available; 4) rea
Cas:1343403-10-0
Min.Order:1 Gram
FOB Price: $4.0
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:1343403-10-0
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiry1.A strong technical force and advanced processing equipments. The quality of the products has been strictly inspected and all kinds of index have reached or exceeded domestic and international standards.2. Now we have established long-term stable re
Cas:1343403-10-0
Min.Order:0
Negotiable
Type:Other
inquiryWhy is SINOWAY:1) Specialized in pharmaceutical and healthcare industrial since 19872) ISO 9001:2015 & SGS audited supplier . 3) Accept various payment terms : T.T 30-60 days.4) We have warehouse in USA with quickly shipment . Application:Herbal extr
Cas:1343403-10-0
Min.Order:0
Negotiable
Type:Trading Company
inquiryJ&H CHEM is one of China's leading providers of integrated fine chemical services including offering, research and development, Custom manufacturing business, as well as other Value-added customer services, for diversified range products of chemicals
Cas:1343403-10-0
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryfactory?direct?sale Application:Fine chemical intermediates, used as the main raw material for the synthesis of various pesticides, medicines, surfactants, polymer monomers, and antifungal agents
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Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry1β,10β-Epoxymicheliolide 1343403-10-0 Application:1β,10β-Epoxymicheliolide 1343403-10-0
Cas:1343403-10-0
Min.Order:0 Metric Ton
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:1343403-10-0
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryGood Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen
*stable and better quality products*efficient and meticulous servicesAppearance:Powder Storage:Store in dry, cool and ventilated place Package:1kg/tin 5kg/tin 25kg/carton Application:Use in healthcare products. Use in food products. Use in Cosmetic p
good quality, competitive price, thoughtful after sale serviceAppearance:white powder Storage:Keep it in dry,shady and cool place Package:20mg Application:Pharma;Industry;Agricultural;chemical reaserch Transportation:by express or by sea Port:Any por
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Cas:1343403-10-0
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:1343403-10-0
Min.Order:10 Milligram
Negotiable
Type:Lab/Research institutions
inquiryHENAN SUNLAKE ENTERPRISE CORPORATION Our company advantages: 1、The highest quality with the competitive price. 2、Professional human services. 3、The fastest and safest delivery service. 4、The faster and safest delivery service. 5、The hig
We are a leading supplier of phytochemical reference standards.We are confidant that we will assure you of any quality problems and provide you with competitive price.In addition, if you ordered, we can send you products first with Net 30 days paym
Cas:1343403-10-0
Min.Order:20 Milligram
Negotiable
Type:Lab/Research institutions
inquiryBacillus Subtilis Descriptions: Bacillus Subtilis is a probiotic feed additive, produced by liquid fermentation with selected strain and advanced technology and equipment. Bacillus Subtilis can adjust microflora balance in animal intestines and
Cas:1343403-10-0
Min.Order:1 Metric Ton
FOB Price: $15000.0 / 20000.0
Type:Trading Company
inquiry99%, in stock Shanghai AngewChemCo., Ltd. is an innovative enterprise on fine chemicals and pharmaceuticals. Based on Shanghai R&D center and Hunan chemical manufacturing plant, we offer chemical research, process development, and large-scale
Cas:1343403-10-0
Min.Order:10 Gram
Negotiable
Type:Lab/Research institutions
inquiryOur relying on perfect quality management system, strict raw materials circulation management system, strict process control program, advanced detection means and strict testing system, fully and effectively guarantee the product quality, look forw
Cas:1343403-10-0
Min.Order:0 Milligram
Negotiable
Type:Lab/Research institutions
inquiryUnited Scientific Company Located in Shanghai of China , is a competitive player in the global specialty and fine chemical market. Fenghua has both the expertise and flexibility to produce a wide range of chemicals. Focusing on developing the innovat
Shaanxi Cuicheng Biomedical Technology Co., Ltd. is located in Chuangzhi Industrial Park, Economic and Technological Development Zone, Hanzhong City, Shaanxi Province, China. It is a company specializing in natural medicines and high-throughput scree
Cas:1343403-10-0
Min.Order:0
Negotiable
Type:Trading Company
inquiryWe have our own laboratory factory, familiar with the production process, preferential price and stock Package:100mg Application:Used in pharmaceutical industry, food industry, health industry, beauty industry and other industries
(1R,3aR,4aS,6aS,9aS,9bS)-1-hydroxy-1,4a-dimethyl-7-methyleneoctahydro-1H-oxireno[2',3':8,8a]azuleno[4,5-b]furan-8(4aH)-one
Conditions | Yield |
---|---|
With 3-chloro-benzenecarboperoxoic acid In dichloromethane at 20℃; for 6h; | 91% |
With 3-chloro-benzenecarboperoxoic acid In dichloromethane at 20℃; Solvent; Reagent/catalyst; Temperature; | 85% |
With 3-chloro-benzenecarboperoxoic acid In dichloromethane | 75% |
A
(1R,3aR,4aS,6aS,9aS,9bS)-1-hydroxy-1,4a-dimethyl-7-methyleneoctahydro-1H-oxireno[2',3':8,8a]azuleno[4,5-b]furan-8(4aH)-one
Conditions | Yield |
---|---|
With tert.-butylhydroperoxide; selenium(IV) oxide In dichloromethane; water for 3h; | A 14% B 53% C 7% |
parthenolide
(1R,3aR,4aS,6aS,9aS,9bS)-1-hydroxy-1,4a-dimethyl-7-methyleneoctahydro-1H-oxireno[2',3':8,8a]azuleno[4,5-b]furan-8(4aH)-one
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: toluene-4-sulfonic acid / dichloromethane / 23 h / 20 °C / Large scale reaction 2: 3-chloro-benzenecarboperoxoic acid / dichloromethane / 20 °C View Scheme | |
Multi-step reaction with 2 steps 1: toluene-4-sulfonic acid / dichloromethane 2: 3-chloro-benzenecarboperoxoic acid / dichloromethane / 20 °C View Scheme | |
Multi-step reaction with 2 steps 1: toluene-4-sulfonic acid / dichloromethane / 20 °C 2: 3-chloro-benzenecarboperoxoic acid / dichloromethane / 20 °C View Scheme |
(1R,3aR,4aS,6aS,9aS,9bS)-1-hydroxy-1,4a-dimethyl-7-methyleneoctahydro-1H-oxireno[2',3':8,8a]azuleno[4,5-b]furan-8(4aH)-one
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: toluene-4-sulfonic acid / dichloromethane 2: 3-chloro-benzenecarboperoxoic acid / dichloromethane View Scheme |
parthenolide
A
(1R,3aR,4aS,6aS,9aS,9bS)-1-hydroxy-1,4a-dimethyl-7-methyleneoctahydro-1H-oxireno[2',3':8,8a]azuleno[4,5-b]furan-8(4aH)-one
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: toluene-4-sulfonic acid / dichloromethane / 20 °C 2: selenium(IV) oxide; tert.-butylhydroperoxide / water; dichloromethane / 3 h View Scheme |
(1R,3aR,4aS,6aS,9aS,9bS)-1-hydroxy-1,4a-dimethyl-7-methyleneoctahydro-1H-oxireno[2',3':8,8a]azuleno[4,5-b]furan-8(4aH)-one
dimethyl amine
Conditions | Yield |
---|---|
With potassium carbonate In tetrahydrofuran; water at 20℃; | 96% |
(1R,3aR,4aS,6aS,9aS,9bS)-1-hydroxy-1,4a-dimethyl-7-methyleneoctahydro-1H-oxireno[2',3':8,8a]azuleno[4,5-b]furan-8(4aH)-one
d6-dimethylamine hydrochloride
Conditions | Yield |
---|---|
With potassium carbonate In tetrahydrofuran at 20℃; | 90% |
(1R,3aR,4aS,6aS,9aS,9bS)-1-hydroxy-1,4a-dimethyl-7-methyleneoctahydro-1H-oxireno[2',3':8,8a]azuleno[4,5-b]furan-8(4aH)-one
1β,10β-Epoxyguaia-3,11(13)-dien-12,6α-olide
Conditions | Yield |
---|---|
With Martins sulfurane In dichloromethane at 20℃; for 24h; Inert atmosphere; | 67% |
With Martins sulfurane In dichloromethane for 24h; Solvent; Reagent/catalyst; Inert atmosphere; | 65% |
With pyridine; trichlorophosphate at 0℃; for 2h; | 45% |
(1R,3aR,4aS,6aS,9aS,9bS)-1-hydroxy-1,4a-dimethyl-7-methyleneoctahydro-1H-oxireno[2',3':8,8a]azuleno[4,5-b]furan-8(4aH)-one
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: pyridine; trichlorophosphate / 2 h / 0 °C 2: potassium carbonate / tetrahydrofuran / 20 °C View Scheme |
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