1.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:1605-89-6
Min.Order:1 Kilogram
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:1605-89-6
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:1605-89-6
Min.Order:1 Kilogram
FOB Price: $1.0 / 10.0
Type:Trading Company
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:1605-89-6
Min.Order:0
Negotiable
Type:Lab/Research institutions
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 have s
factory?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
Shandong 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
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
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:Beijing or Guangzhou
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:1605-89-6
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryAndrost-4-en-3-one,17-hydroxy-7,17-dimethyl-, (7a,17b)- Application:Organic Chemicals
Supply top quality products with a reasonable price Application:api
Androst-4-en-3-one,17-hydroxy-7,17-dimethyl-, (7a,17b)- cas 1605-89-6Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
Cas:1605-89-6
Min.Order:0
Negotiable
Type:Other
inquiryfactory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
BolasteroneAppearance:ask Storage:Keep in dry and cool condition Package:foil aluminium bag/vacuum packing Application:intermediates Transportation:By express (Door to door) such as FEDEX, DHL, EMS for small amount. By air(airport to airport) or by s
Good Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen
FAQ 1. Can I get a free sample Yes, but you have to pay the courier fee. 2. How to pay We accept payments in the form of Western Union, MoneyGram, Bitcoin, etc. 3. What should I do if we don’t ship after payment We are a formal c
Cas:1605-89-6
Min.Order:1 Gram
FOB Price: $1.0
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
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
Cas:1605-89-6
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryShanghai, Run-Biotech Co., Ltd is a leading domestic pharmaceutical, biopharmaceutical, and health care products R & D outsourcing services company. As an innovation-driven and customer-focused company, Run Biotech provides a broad and integrated por
BolasteroneAppearance:ask Storage:Keep in dry and cool condition Package:foil aluminium bag/vacuum packing Application:intermediates Transportation:by air or by sea
We are a trading company aiming at providing high-quality services to customers. Established for many years, with good reputation in the industry Storage:Sealed and preserved Application:Fine chemical intermediates, used as the main raw material for
Androst-4-en-3-one,17-hydroxy-7,17-dimethyl-, (7a,17b)-Appearance:Off white to slight yellow solid Storage:Store in dry and cool condition Package:25kg or according to cutomer's demand Application:Chemical research/Pharmaceutical intermediates Transp
Cas:1605-89-6
Min.Order:0
Negotiable
Type:Trading Company
inquiryHigh Cost-Effective Application:intermediates
BolasteroneAppearance:ask Storage:Keep in dry and cool condition Package:foil aluminium bag/vacuum packing Application:intermediates Transportation:by air or by sea
6-Dehydromethyltestosterone
methylmagnesium bromide
A
bolasterone
B
calusterone
Conditions | Yield |
---|---|
With tetrahydrofuran; copper(l) chloride |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: tetrachloro-<1,4>benzoquinone 2: CuCl; THF View Scheme |
6-Dehydromethyltestosterone
methylmagnesium bromide
A
bolasterone
B
calusterone
Conditions | Yield |
---|---|
With tetrahydrofuran; copper(l) chloride |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: tetrachloro-<1,4>benzoquinone 2: CuCl; THF View Scheme |
Conditions | Yield |
---|---|
With sulfuric acid; methyllithium; lithium; toluene-4-sulfonic acid; triethylamine In methanol; acetone |
bolasterone
Conditions | Yield |
---|---|
With sulfur trioxide pyridine complex In N,N-dimethyl-formamide for 1h; Ambient temperature; |
Conditions | Yield |
---|---|
(i) Et2O, THF, (ii) aq. HCl, acetone; Multistep reaction; |
bolasterone
Conditions | Yield |
---|---|
(i) LiAlH4, THF, (ii) aq. HCl, acetone; Multistep reaction; |
bolasterone
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: sulfur trioxide pyridine complex / dimethylformamide / 1 h / Ambient temperature 2: 1percent aq. K2CO3 / dimethylformamide / 1 h / 60 °C 3: trimethylsilylimidazole / 0.17 h / 60 °C View Scheme |
bolasterone
17-epibolasterone
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: sulfur trioxide pyridine complex / dimethylformamide / 1 h / Ambient temperature 2: 1percent aq. K2CO3 / dimethylformamide / 1 h / 60 °C View Scheme |
bolasterone
thiophenol
17β-hydroxy-7α,17α-dimethyl-4-(phenylthiomethyl)androst-4-en-3-one
Conditions | Yield |
---|---|
With formaldehyd In triethanolamine |
Conditions | Yield |
---|---|
With ammonium iodide; ethanethiol In acetonitrile at 80℃; for 0.5h; |
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