Methyl 3-oxo-4-andr...

Methyl 3-oxo-4-androstene-17beta-carboxylate for Finasteride
Methyl 3-oxo-4-androstene-17beta-carboxylate for Finasteride

Methyl 3-oxo-4-androstene-17beta-carboxylate for Finasteride

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100 Gram

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  • Min.Order :100 Gram
  • Purity: 99%min
  • Payment Terms : L/C,D/A,D/P,T/T,Other

Keywords

F4 F9 Finasteride

Quick Details

  • Appearance:detailed see specifications
  • Application:Methyl-3-Oxo-4-androstene-17β-carboxylate (F4) CAS:2681-55-2 An important raw material and intermediate used in Organic Synthesis, Pharmaceuticals
  • PackAge:Aluminium Foil Bag
  • ProductionCapacity:800|Kilogram|Month
  • Storage:Stored in a cool and dry well-closed container. Keep away from moisture and strong light/heat.
  • Transportation:by air or sea

Superiority:

Methyl-3-Oxo-4-androstene-17β-carboxylate (F4) CAS:2681-55-2

Finasteride intermediate

Related: 3-Oxo-4-androstene-17β-carboxylic acid 

Finasteride  

 

Name   Methyl 3-oxo-4-androstene-17beta-carboxylate
copyRight
Molecular Structure   CAS # 2681-55-2, Methyl 3-oxo-4-androstene-17beta-carboxylate
 
Molecular Formula   C21H30O3
Molecular Weight   330.46
CAS Registry Number   2681-55-2


HANGZHOU THINK CHEMICAL CO., LTD. (THINKCHEM) is an integrative corporation of trade, research and contract manufacture.

 

With about ten years of business experiences on the marketing & distribution, thinkchem specializes in exporting pharmaceuticals, veterinary drugs, feed additives, intermediates, fine chemicals, plants extracts, pesticides, food & nutrition additives.

 

Thinkchem is good at offering excellent outsourcing services to overseas customers as well as laboratory support.

 

Custom manufacture

 

Thinkchem is good at offering contract manufacture and custom synthesis under confidential agreement timely and effectively, and providing sales service from grams ,kilograms to multi-tons particularly for pharmaceuticals and their intermediates discovery and development. Thinkchem is equipped with modern lab apparatus including HPLC, GC. TLC AND NMR, motivated by a team of highly qualified personnel using these equipments.

Staff

 

Thinkchem is composed of chemical technicians, analytical chemists, organic chemists, and chemical engineers educated in leading universities in china. Our staff is supported by a group of consultants from academia with expertise in chemical synthesis and analytical chemistry.

 

 

Details:

Methyl-3-Oxo-4-androstene-17β-carboxylate (F4) CAS:2681-55-2

 

Items          

Standard

Results

Description

White or  off-white  powder

off-white powder

Identification(HPLC)       

complies with the standard

complies

Loss on drying                      

not more than 1.0%

0.04%

Water                                     

not more than 1.0%   

0.04%

Specific rotation(25℃ on anhydrous basis, DMSO)

+50° ~ +65°

+64.6°

Related substances(HPLC)

--RP-35 isomer                        

not more than 1.0%

0.31%

--RP-35 ester (M3)                        

not more than 0.10%

n.d

--Other unknown impurities     

not more than 0.5%

0.14%

--Total impurities

not more than 1.5%

0.42%

--purity                 

not less than 98.5%

99.6%

Assay(HPLC,basis on drying)                 

97.0~101.0%  

100.5%

Pd

not more than 10ppm

3ppm

Conclusion: The test product complies with the requirements of enterprise Standard


 

Name   4-Aza-5a-androstan-1-ene-3-one-17b-carboxylic acid
Synonyms   (5alpha,17beta)-3-Oxo-4-azaandrost-1-ene-17-carboxylic acid
Density   1.166
Melting point   295-297 ºC

1. Well-trained professional sales team dedicated to source, audit and export.

 

2. Well-trained R & D team equipped with new knowledge, new ideas and new insights to support product development and innovation.

 

3. Well-established partnership with major pharmaceutical and chemical companies in china.

 

4. Wide range of products and efficient regulatory documentation offered to customers.

 

 

 

 

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