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.Our main business covers the fields below:

1.Noble Metal Catalysts (Pt.Pd...)
2.Organic Phosphine Ligands (Tert-butyl-phosphine.Cyclohexyl-phosphine...)
3.OLED intermediates (Fluorene,Carbazole,Boric acid...)
4.Customs Synthesis

Our advantage:

1. Higest quality and good package 
2.Fast delivery 
3.Better payment term 
4.Fast response to customer within 6 hours 
5.Good business credit in Europe ,US ,Japan ,Korea 

Anyway ,if you need any chemicals from China ,Henan Tianfu can help you

Identification of 33044-74-5

Name:

(2R)-3,3aβ,4,5-Tetrahydro-3β-hydroxy-2,5,5-trimethyl-2α,4α-ethano-2H,9H-dipyrano[4,3,2-de:3',2'-g][1]benzopyran-9-one (Related Reference)

Molecular Formula:

C₁₉H₂₀O₅

CAS Registry Number:

33044-74-5

Synonyms:

(2R)-3,3aβ,4,5-Tetrahydro-3β-hydroxy-2,5,5-trimethyl-2α,4α-ethano-2H,9H-dipyrano[4,3,2-de:3',2'-g][1]benzopyran-9-one; Bruceol

InChI:

InChI=1/C19H20O5/c1-18(2)10-6-7-19(3)17(21)14(10)15-12(23-18)8-11-9(16(15)24-19)4-5-13(20)22-11/h4-5,8,10,14,17,21H,6-7H2,1-3H3

Molecular Structure:

Chemical Properties

Molecular Weight:

0

Density:

1.343g/cm³

Boiling Point:

476.1°C at 760 mmHg

Flash Point:

172.2°C

Refractive index:

1.615