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L8170

Sigma-Aldrich

Pseudolaric Acid B

≥98% (HPLC)

Synonym(s):

(-)-Pseudolaric acid B, O-Acetylpseudolaric acid C, Pseudolarix acid B

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About This Item

Empirical Formula (Hill Notation):
C23H28O8
CAS Number:
82508-31-4
Molecular Weight:
432.46
MDL number:
MFCD26960905
UNSPSC Code:
12352106
NACRES:
NA.25

biological source

Larix kaempferi

assay

≥98% (HPLC)

form

powder or crystals

storage condition

protect from light

color

white to off-white

solubility

methanol: 1 mg/mL, clear, colorless

application(s)

metabolomics
vitamins, nutraceuticals, and natural products

storage temp.

2-8°C

SMILES string

O=C(OC)C1=CC[C@@]2(C(O[C@@](/C=C/C=C(C(O)=O)\C)(C)[C@@H]3CC2)=O)[C@]3(OC(C)=O)CC1

InChI

1S/C23H28O8/c1-14(17(24)25)6-5-10-21(2)16-9-12-22(19(27)31-21)11-7-15(18(26)29-3)8-13-23(16,22)20(28)30-4/h5-7,10,16H,8-9,11-13H2,1-4H3,(H,24,25)/b10-5+,14-6+/t16-,21+,22+,23+/m0/s1

InChI key

XRLYZNSOXNPKOR-CBDALDGHSA-N

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Biochem/physiol Actions

Pseudolaric acid B, a natural diterpenoid compound, is isolated from Pseudolarix kaempferi. It has shown antifungal, antifertility, and antiangiogenic properties. It also may exihibit anti-cancer and anti-inflammatory properties.

pictograms

Skull and crossbonesHealth hazard
GHS06,GHS08

signalword

Danger

Hazard Classifications

Acute Tox. 3 Oral - Repr. 2

Storage Class

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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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Pauline Chiu et al.
Natural product reports, 27(7), 1066-1083 (2010-04-21)
The pseudolaric acids are diterpenoids isolated from the root bark of Pseudolarix amabilis, or the golden larch. Pseudolaric acids A and B are the major antifungal and anti-angiogenic congeners of this family of compounds. This review presents the results of
Xia Mai et al.
Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica, 37(22), 3467-3471 (2013-02-05)
To study the effect of pseudolaric acid B (PLAB) on cell proliferation and cycle of human prostate carcinoma DU-145 cells. method: Its inhibitory effect on the cell growth was measured by MTT method. Characteristics of cell death were determined by
Jing-hua Yu et al.
Acta pharmacologica Sinica, 29(9), 1069-1076 (2008-08-23)
To investigate the apoptotic mechanism of pseudolaric acid B (PAB) in human breast cancer MCF-7 cells. 3-(4,5-Dimethylthiazol-2-yl)-2, 5-diphenyltetrazolium bromide analysis and morphological changes were applied to detect apoptosis. The percentage of apoptotic and necrotic cells were calculated by the lactate
Tan Li et al.
European journal of pharmaceutical sciences : official journal of the European Federation for Pharmaceutical Sciences, 45(5), 668-676 (2012-01-24)
Pseudolaric acid B (PAB) is a novel diterpenoid, isolated from Pseudolarix kaempferi Gorden, which roots are widely used to treat inflammatory and microbial skin diseases for centuries, but the underlying mechanism remains elusive. To address the immunoregulatory mechanisms of PAB
Dandan Zhao et al.
Toxicology in vitro : an international journal published in association with BIBRA, 26(4), 595-602 (2012-03-06)
Pseudolaric acid B (PAB), a natural diterpene acid present in the traditional Chinese medicinal herb Tu-Jin-Pi, exerted anticancer effects on various cancer cells. However, the effect of PAB on DU145 cells, an in vitro model of hormone-refractory prostate cancer (HRPC)
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