Pyrovitamine D2

Base Information Edit

Chemical Name:Pyrovitamine D2
CAS No.:128-27-8
Molecular Formula:C₂₈H₄₄O
Molecular Weight:396.657
Hs Code.:
UNII:4QE155MND5
DSSTox Substance ID:DTXSID00878680
Nikkaji Number:J10.049H
Wikidata:Q27260364
Mol file:128-27-8.mol

Synonyms:10a-Ergosta-5,7,22-trien-3b-ol (7CI,8CI); Pyrocalciferol(6CI); 10a-Ergosterol; 9a-Lumisterol; Pyroergocalciferol;Pyrovitamin D2

Suppliers and Price of Pyrovitamine D2

Supply Marketing:Edit

Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

Manufacturers and distributors:

Manufacture/Brand
Chemicals and raw materials
Packaging
price

Total 2 raw suppliers

Chemical Property of Pyrovitamine D2 Edit

Chemical Property:

Vapor Pressure:3.7E-12mmHg at 25°C
Melting Point:93-95°
Refractive Index:1.5100 (estimate)
Boiling Point:501.5°C at 760 mmHg
Flash Point:216.3°C
PSA：20.23000
Density:1g/cm³
LogP:7.33080
XLogP3:7.4
Hydrogen Bond Donor Count:1
Hydrogen Bond Acceptor Count:1
Rotatable Bond Count:4
Exact Mass:396.339216023
Heavy Atom Count:29
Complexity:712

Purity/Quality:: 98%min ^*data from raw suppliers

Safty Information:

Pictogram(s):
Hazard Codes:

MSDS Files:: SDS file from LookChem

Useful:

Canonical SMILES:CC(C)C(C)C=CC(C)C1CCC2C1(CCC3C2=CC=C4C3(CCC(C4)O)C)C
Isomeric SMILES:C[C@H](/C=C/[C@H](C)C(C)C)[C@H]1CC[C@@H]2[C@@]1(CC[C@H]3C2=CC=C4[C@]3(CC[C@@H](C4)O)C)C

Technology Process of Pyrovitamine D2

There total 14 articles about Pyrovitamine D2 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: 78.0%

: 41238-09-9,56192-94-0
C₃₈H₅₀N₂O₄

: 57-87-4,128-27-8,474-69-1,474-70-4,6538-06-3,7056-23-7,57760-53-9,60018-27-1,70005-45-7,82863-18-1,122565-01-9
ergosta-5,7,22-triene-3β-ol

Guidance literature:: With sodium bis(2-methoxyethoxy)aluminium dihydride; In toluene; benzene; for 1h; Heating;

Reference yield: 75.0%

: 6411-40-1
3-acetoxy-3,5,7,22-ergosta-tetraene

: 57-87-4,128-27-8,474-69-1,474-70-4,6538-06-3,7056-23-7,57760-53-9,60018-27-1,70005-45-7,82863-18-1,122565-01-9
ergosta-5,7,22-triene-3β-ol

Guidance literature:: With sodium tetrahydroborate; ethanol; calcium chloride; In dichloromethane; at 20 - 35 ℃; for 3.33333h;

Reference yield:

: 81126-48-9
C₃₆H₅₀N₂O₂

: 57-87-4,128-27-8,474-69-1,474-70-4,6538-06-3,7056-23-7,57760-53-9,60018-27-1,70005-45-7,82863-18-1,122565-01-9
ergosta-5,7,22-triene-3β-ol

Guidance literature:: Multi-step reaction with 4 steps

1: 88 percent / 0.3 h / 145 - 155 °C / 2.3 Torr

2: 91 percent / lead tetraacetate / CHCl₃; methanol; acetic acid / 0.5 h

3: 78 percent / sodium bis(2-methoxyethoxy)dihydroaluminate / benzene; toluene / 1 h / Heating

With lead(IV) acetate; sodium bis(2-methoxyethoxy)aluminium dihydride; In methanol; chloroform; acetic acid; toluene; benzene;