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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

Pregnane-3,11,17,20,21-pentol,(3a,5b,11b,20S)-

Cas:516-38-1

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Henan Tianfu Chemical Co., Ltd.

Our company was built in 2009 with an ISO certificate.In the past 5 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.O

ALPHA-CORTOL 516-38-1

Cas:516-38-1

Min.Order:1 Gram

Negotiable

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

Pregnane-3,11,17,20,21-pentol,(3a,5b,11b,20S)-

Cas:516-38-1

Min.Order:1 Gram

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

Pregnane-3,11,17,20,21-pentol,(3a,5b,11b,20S)-

Cas:516-38-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Keyingchem Co.,Ltd

Hangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det

ALPHA-CORTOL

Cas:516-38-1

Min.Order:0 Metric Ton

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

ALPHA-CORTOL

Cas:516-38-1

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

Shandong Mopai Biotechnology Co., LTD

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

Pregnane-3,11,17,20,21-pentol,(3a,5b,11b,20S)-

Cas:516-38-1

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Antimex Chemical Limied

hight degree of purity Application:Fine chemical intermediates, used as the main raw material for he synthesis of various pesticides, medicines, surfactants, polymer monomers, Ond Ontifungal agents

Pregnane-3,11,17,20,21-pentol,(3a,5b,11b,20S)-

Cas:516-38-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Fandachem Co.,Ltd

Pregnane-3,11,17,20,21-pentol,(3a,5b,11b,20S)- cas 516-38-1Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express

Pregnane-3,11,17,20,21-pentol,(3a,5b,11b,20S)- cas 516-38-1

Cas:516-38-1

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

ALPHA-CORTOL

Cas:516-38-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

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:10mg Application:Pharma;Industry;Agricultural;chemical reaserch Transportation:by express or by sea Port:Any por

α-Cortol

Cas:516-38-1

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

ALPHA-CORTOL

Cas:516-38-1

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Changzhou Extraordinary Pharmatech co.,LTD

Changzhou 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

5β-PREGNAN-3α, 11β, 17, 20α, 21-PENTOL

Cas:516-38-1

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Finetech Industry Limited

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

FT-0771882

Cas:516-38-1

Min.Order:0

Negotiable

Type:Trading Company

inquiry

SHANGHAI ZZBIO CO., LTD.

Comprehensive range product line, COA with HPLC, MS and NMR spectra. Package:1mg Application:pharmaceutical industry, biotech industry, research institutions.

[2H5]-Alpha Cortol

Cas:516-38-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

NovaChemistry

High purity Application:Pharmaceutical intermediates, Material synthesis and analyzing the expectant ingredients

5β-pregnan-3α, 11β, 17, 20α, 21-pentol

Cas:516-38-1

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Synthetic route

3α,20αF,21-triacetoxy-17-hydroxy-5β-pregnan-11-one
2638-46-2

3α,20αF,21-triacetoxy-17-hydroxy-5β-pregnan-11-one

5β-pregnane-3α,11β,17α,20β,21-pentaol
516-38-1

5β-pregnane-3α,11β,17α,20β,21-pentaol

Conditions
ConditionsYield
With lithium aluminium tetrahydride
20α-cortol 20,21-diacetate
95826-62-3

20α-cortol 20,21-diacetate

5β-pregnane-3α,11β,17α,20β,21-pentaol
516-38-1

5β-pregnane-3α,11β,17α,20β,21-pentaol

Conditions
ConditionsYield
saponification;
methyl 20β-acetoxy-3α-tert-butyldimethylsilyloxy-17α-hydroxy-11-oxo-5β-pregnan-21-oate
93206-77-0

methyl 20β-acetoxy-3α-tert-butyldimethylsilyloxy-17α-hydroxy-11-oxo-5β-pregnan-21-oate

5β-pregnane-3α,11β,17α,20β,21-pentaol
516-38-1

5β-pregnane-3α,11β,17α,20β,21-pentaol

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 410 mg / LiAlH4 / diethyl ether / 1 h / Ambient temperature
2: 250 mg / pyridine / Ambient temperature
3: 100 mg / 50percent H2SO4 / acetone / 0.17 h / Ambient temperature
4: saponification
View Scheme
20α-cortol 3-tert-butyldimethylsilyl ether
95826-65-6

20α-cortol 3-tert-butyldimethylsilyl ether

5β-pregnane-3α,11β,17α,20β,21-pentaol
516-38-1

5β-pregnane-3α,11β,17α,20β,21-pentaol

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 250 mg / pyridine / Ambient temperature
2: 100 mg / 50percent H2SO4 / acetone / 0.17 h / Ambient temperature
3: saponification
View Scheme
20α-cortol 3-tert-butyldimethylsilyl ether 20,21-diacetate
95826-60-1

20α-cortol 3-tert-butyldimethylsilyl ether 20,21-diacetate

5β-pregnane-3α,11β,17α,20β,21-pentaol
516-38-1

5β-pregnane-3α,11β,17α,20β,21-pentaol

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 100 mg / 50percent H2SO4 / acetone / 0.17 h / Ambient temperature
2: saponification
View Scheme
3α,17,21-triacetoxy-20βF-(toluene-4-sulfonyloxy)-5β-pregnan-11-one

3α,17,21-triacetoxy-20βF-(toluene-4-sulfonyloxy)-5β-pregnan-11-one

5β-pregnane-3α,11β,17α,20β,21-pentaol
516-38-1

5β-pregnane-3α,11β,17α,20β,21-pentaol

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: potassium acetate; acetic acid
2: LiAlH4
View Scheme
5β-pregnane-3α,11β,17α,20β,21-pentaol
516-38-1

5β-pregnane-3α,11β,17α,20β,21-pentaol

N,O-bis-(diethylhydrogensilyl)trifluoroacetamide (DEHS-BSTFA)

N,O-bis-(diethylhydrogensilyl)trifluoroacetamide (DEHS-BSTFA)

5β-pregnane-3α,11β,17α,20β,21-pentaol 3,11,21-tris-DEHS-17,20-DES derivate
111014-99-4, 111015-00-0

5β-pregnane-3α,11β,17α,20β,21-pentaol 3,11,21-tris-DEHS-17,20-DES derivate

Conditions
ConditionsYield
In pyridine for 1h; Ambient temperature;
5β-pregnane-3α,11β,17α,20β,21-pentaol
516-38-1

5β-pregnane-3α,11β,17α,20β,21-pentaol

1,1,1,3,3,3-hexamethyl-disilazane
999-97-3

1,1,1,3,3,3-hexamethyl-disilazane

3α,11β,17,20α,21-Penta-trimethylsiloxy-5β-pregnan

3α,11β,17,20α,21-Penta-trimethylsiloxy-5β-pregnan

Conditions
ConditionsYield
With pyridine; chloro-trimethyl-silane

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