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B9757

Sigma-Aldrich

Betulin

≥98%

Synonym(s):

Betulinic alcohol, Betulinol, Betulol, Lup-20(29)-ene-3β,28-diol, Trochol

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About This Item

Empirical Formula (Hill Notation):
C30H50O2
CAS Number:
473-98-3
Molecular Weight:
442.72
EC Number:
207-475-5
MDL number:
MFCD00016802
UNSPSC Code:
12352002
PubChem Substance ID:
57653970
NACRES:
NA.22

Assay

≥98%

form

powder

mp

256-257 °C (lit.)

storage temp.

2-8°C

SMILES string

[H][C@]12CC[C@]3([H])[C@@]4(C)CC[C@H](O)C(C)(C)[C@]4([H])CC[C@@]3(C)[C@]1(C)CC[C@@]5(CO)CC[C@@H](C(C)=C)[C@]25[H]

InChI

1S/C30H50O2/c1-19(2)20-10-15-30(18-31)17-16-28(6)21(25(20)30)8-9-23-27(5)13-12-24(32)26(3,4)22(27)11-14-29(23,28)7/h20-25,31-32H,1,8-18H2,2-7H3/t20-,21+,22-,23+,24-,25+,27-,28+,29+,30+/m0/s1

InChI key

FVWJYYTZTCVBKE-ROUWMTJPSA-N

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General description

Betulin, a triterpene with lupane nucleus, is found in the bark of birch trees. It undergoes rearrangement in the presence of acid agents to form allobetulin.

Application

Betulin may be used in the preparation of betulinic acid, which shows anti-HIV, antimalarial and anti-inflammatory activities.

Pictograms

Health hazard
GHS08

Signal Word

Warning

Hazard Statements

H371

Hazard Classifications

STOT SE 2

Target Organs

Eyes,Central nervous system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Certificates of Analysis (COA)

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Betulin and its derivatives. Chemistry and biological activity.
Tolstikov GA, et al.
Chemistry for Sustainable Development, 13, 1-29 (2005)
A concise semi-synthetic approach to betulinic acid from betulin.
Kim DSHL, et al.
Synthetic Communications, 27(9), 1607-1612 (1997)
A bicentennial of betulin.
Hayek EWH, et al.
Phytochemistry, 28(9), 2229-2242 (1989)
Milan Urban et al.
Bioorganic & medicinal chemistry, 20(11), 3666-3674 (2012-05-04)
The aim of this work was to synthesize a set of heterocyclic derivatives of lupane, lup-20(29)-ene, and 18α-oleanane, and to investigate their cytotoxic activities. Some of those heterocycles were previously known in the oleanane (allobetulin) group; however, to our knowledge
Sayan Chowdhury et al.
Molecular pharmacology, 80(4), 694-703 (2011-07-14)
Toward developing antileishmanial agents with mode of action targeted to DNA topoisomerases of Leishmania donovani, we have synthesized a large number of derivatives of betulin. The compound, a natural triterpene isolated from the cork layer of Betula spp. plants exhibits
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