4,5β-Dihydro Norethandrolone

Base Information

• Chemical Name: 4,5β-Dihydro Norethandrolone
• CAS No.: 31658-44-3
• Molecular Formula: C₂₀H₃₂O₂
• Molecular Weight: 304.473
• Mol file: 31658-44-3.mol

Synonyms:(5β,17α)-17-Hydroxy-19-norpregnan-3-one

Chemical Property of 4,5β-Dihydro Norethandrolone

Chemical Property:

• Melting Point: 155-157 °C
• Boiling Point: 428.2±45.0 °C(Predicted)
• PKA: 15.15±0.40(Predicted)
• PSA: 37.30000
• Density: 1.053±0.06 g/cm3(Predicted)
• LogP: 4.34920

Purity/Quality:

97% ^*data from raw suppliers

4,5b-Dihydro norethandrolone ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Uses: A metabolite of the synthetic anabolic steroid Norethandrolone (N675000).

Technology Process of 4,5β-Dihydro Norethandrolone

There total 6 articles about 4,5β-Dihydro Norethandrolone which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 81.0%

norethandrolone (52-78-8) → 17α-ethyl-17β-hydroxy-5-methyl-5α-estran-2-one (2099-68-5) + 17β-hydroxy-19-nor-5β,17α-pregnan-3-one (31658-44-3)

Guidance literature:

With potassium hydroxide; hydrogen; palladium on activated charcoal; In methanol; water; at 20 ℃; for 2h; under 2280 Torr;

DOI:10.1071/CH03018

Reference yield:

→ 17α-Ethyl-5α,10α-oestran-17β-ol-3-on (2099-68-5,18462-22-1,22786-90-9,31658-44-3)

Guidance literature:

entspr. -3β,17β-diol, N-Bromacetamid;

Reference yield:

→ 17α-Aethyl-19-norandrostan-17β-ol-3-on (2099-68-5,18462-22-1,22786-90-9,31658-44-3)

Guidance literature:

17α-Aethyl-19-nortestosteron, Lithium / fl.NH3;

upstream raw materials:

norethisterone

norethandrolone