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Dayang Chem (Hangzhou) Co.,Ltd.

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

CUCURBITACIN A

Cas:6040-19-3

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Shanghai Upbio Tech Co.,Ltd

1.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

CUCURBITACIN A

Cas:6040-19-3

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Shandong Hanjiang Chemical Co., Ltd.

Hello, 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

CUCURBITACIN A

Cas:6040-19-3

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Henan Wentao Chemical Product Co., Ltd.

Henan 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

CUCURBITACIN A

Cas:6040-19-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Zibo Hangyu Biotechnology Development Co., Ltd

Zibo 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

Cucurbitacin A

Cas:6040-19-3

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

Xiamen Jenny Chemical Technology Co., Ltd.

GMP 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,

CucurbitacinA

Cas:6040-19-3

Min.Order:1 Milligram

Negotiable

Type:Trading Company

inquiry

KAISA GROUP INC

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

6040-19-3 CAS NO.6040-19-3

Cas:6040-19-3

Min.Order:1 Metric Ton

FOB Price: $7.0 / 8.0

Type:Trading Company

inquiry

shanghai Tauto Biotech Co., Ltd

The quality is guaranteed. If you find the product is wrong compared with COA, we promise 100% refund or change product. COA and HPLC will be shipped out with goods. You can also inform your analysis method and we will follow your analysis me

Cucurbitacin A

Cas:6040-19-3

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

inquiry

Sinoway Industrial Co., Ltd.

Why 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

Shanghai Acmec Biochemical Technology Co., Ltd.

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

Acmec Cucurbitacin A C56210 5mg

Cas:6040-19-3

Min.Order:1 bottle

Negotiable

Type:Lab/Research institutions

inquiry

Chengdu Lemeitian Pharmaceutical Technology Co,. Ltd

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 day2. The products are provided with COA, HPLC, NMR, quality assurance, pac

Cucurbitacin A

Cas:6040-19-3

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Henan Tianfu Chemical Co., Ltd.

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.

CUCURBITACIN A

Cas:6040-19-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Antimex Chemical Limied

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

CUCURBITACIN A

Cas:6040-19-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Changchun Artel lmport and Export trade company

Supply top quality products with a reasonable price Application:api

6040-19-3

Cas:6040-19-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hangzhou Fandachem Co.,Ltd

CUCURBITACIN A cas 6040-19-3Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express

CUCURBITACIN A cas 6040-19-3

Cas:6040-19-3

Min.Order:0

Negotiable

Type:Other

inquiry

Henan Kanbei Chemical Co.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

Cucurbitacin A

Cas:6040-19-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Asure Biochem CO.,LTD.

*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

Cucurbitacin A

Cas:6040-19-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Shanghai Yuanye Bio-Technology Co., Ltd.

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

Cucurbitacin A

Cas:6040-19-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

ZHEJIANG JIUZHOU CHEM CO.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

Cucurbitacin A

Cas:6040-19-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Chengdu Push Bio-technology Co., Ltd

High purity , competitive price , warm sevice , providing HPLC ,MS , NMR , COA. The quality is guaranteed. If you find the product is wrong compared with COA, we promise 100% refund or change product. Package Size: 10mg/25mg standard packing

Cucurbitacin A

Cas:6040-19-3

Min.Order:5 Milligram

Negotiable

Type:Lab/Research institutions

inquiry

Henan Wising Chem Co., Ltd

Henan Wising Chem specializes in sourcing chemicals in China. We are associated with many trusted manufacturers each having different areas of expertise required for meeting the needs of our local as well as overseas buyers. We have access to custom

Cucurbitacin A

Cas:6040-19-3

Min.Order:500 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Jilin haofei import and export trade Co.,Ltd

Price, 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

6040-19-3 CAS NO.6040-19-3

Cas:6040-19-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Shanghai united Scientific Co.,Ltd.

United 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

CUCURBITACIN A

Cas:6040-19-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shaanxi Cuicheng Biomedical Technology Co., Ltd.

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

Cucurbitacin A(6040-19-3)

Cas:6040-19-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Chengdu Alfa Biotechnology Co.,Ltd.

Hight Quality 【Product Name】 Cucurbitacin A 【CAS Registry Number】 6040-19-3 【Chemical Name】 19-Norlanosta-5,23-diene-3,11,22-trione,25-(acetyloxy)-2,16,20-trihydroxy-9-(hydroxymethyl)-, (2β,9β,10α,16α,23E) 【Chemical Fo

Cucurbitacin A

Cas:6040-19-3

Min.Order:20 Milligram

Negotiable

Type:Lab/Research institutions

inquiry

Nanjing Raymon Biotech Co., Ltd.

Cucurbitacin A Storage:keep in dry and cool condition Package:25kg or according to cutomer's demand Application:Chemical research/pharma intermediate Transportation:By Sea,by Air,By courier like DHL or Fedx. Port:Shanghai/Shenzhen

Cucurbitacin A

Cas:6040-19-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Finetech Industry Limited

High Quality Best Price Storage:Store in dry, dark and ventilated place Application:Chemical Synthesis Intermediate

FT-0775757

Cas:6040-19-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Beijing Jin Ming Biotechnology Co., Ltd.

We have our own laboratory factory, familiar with the production process, preferential price and stock Package:20mg Application:Used in pharmaceutical industry, food industry, health industry, beauty industry and other industries

Cucurbitacin A

Cas:6040-19-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Chemical Co.Ltd

CUCURBITACIN AAppearance:Off white to slight yellow solid Storage:Stored in shaded, cool and dry places Package:1L 5L 10L 25L bottle Application:pharma intermediate Transportation:Handle with cares to avoid damaging the packages. Protect them from su

CUCURBITACIN A

Cas:6040-19-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

NovaChemistry

High purity Application:Screening the references, analyzing the expectant ingredients

Cucurbitacin A

Cas:6040-19-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Synthetic route

cucurbitacine A
6040-19-3

cucurbitacine A

25-acetoxy-2β,16α,19,20-tetrahydroxy-10α-cucurbit-5-ene-3,11,22-trione
19436-50-1

25-acetoxy-2β,16α,19,20-tetrahydroxy-10α-cucurbit-5-ene-3,11,22-trione

Conditions
ConditionsYield
With hydrogen; Lindlar's catalyst In ethanol
cucurbitacine A
6040-19-3

cucurbitacine A

Desacetoxydihydrocucurbiton A

Desacetoxydihydrocucurbiton A

Conditions
ConditionsYield
With hydrogen; Lindlar's catalyst In ethanol
cucurbitacine A
6040-19-3

cucurbitacine A

acetic anhydride
108-24-7

acetic anhydride

2β,16α-diacetoxy-9-acetoxymethyl-4,4,14-trimethyl-19-nor-9β,10α-pregn-5-ene-3,7,11,20-tetraone
104442-50-4

2β,16α-diacetoxy-9-acetoxymethyl-4,4,14-trimethyl-19-nor-9β,10α-pregn-5-ene-3,7,11,20-tetraone

Conditions
ConditionsYield
(i), (ii) CrO3, aq. AcOH; Multistep reaction;

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