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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:
Molecular Weight:
442.72
EC Number:
MDL number:
UNSPSC Code:
12352002
PubChem Substance ID:
NACRES:
NA.22

Quality Level

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

Signal Word

Warning

Hazard Statements

Hazard Classifications

STOT SE 2

Target Organs

Eyes,Central nervous system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Betulin and its derivatives. Chemistry and biological activity.
Tolstikov GA, et al.
Chemistry for Sustainable Development, 13, 1-29 (2005)
Cindy Horwedel et al.
Journal of medicinal chemistry, 53(13), 4842-4848 (2010-06-10)
A novel approach to circumvent multidrug resistance is hybridization of natural products in dimers. We analyzed homodimers of two artesunic acid molecules and heterohybrids of artesunic acid and betulin in human CCRF-CEM and multidrug-resistant P-glycoprotein-overexpressing CEM/ADR5000 leukemia cells. Multidrug-resistant cells
A concise semi-synthetic approach to betulinic acid from betulin.
Kim DSHL, et al.
Synthetic Communications, 27(9), 1607-1612 (1997)
Cristina A Dehelean et al.
Journal of biomedical nanotechnology, 9(4), 577-589 (2013-04-30)
Betulin (Bet), the main component of birch tree bark, has been recently reported to exert anticancer activity in several cell lines; however the underlying mechanisms are only partially elucidated. The aims of the present work were to assess the in
A bicentennial of betulin.
Hayek EWH, et al.
Phytochemistry, 28(9), 2229-2242 (1989)

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