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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

Signal Word

Danger

Hazard Statements

H301,H361fd

Precautionary Statements

P201 - P301 + P310 + P330

Hazard Classifications

Acute Tox. 3 Oral - Repr. 2

Storage Class Code

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

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
SLBB1866V

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Taradas Sarkar et al.
Biochemical pharmacology, 84(4), 444-450 (2012-05-29)
We purified pseudolaric acid B (PAB) from the root and stem bark of Pseudolarix kaempferi (Lindl.) Gorden. Confirming previous findings, we found that the compound had high nanomolar IC₅₀ antiproliferative effects in several cultured cell lines, causing mitotic arrest and
Ai-guo Meng et al.
Acta pharmacologica Sinica, 30(4), 442-450 (2009-03-24)
The aim of this study was to investigate the mechanism of pseudolaric acid B (PLAB)-induced cell cycle arrest in human melanoma SK-28 cells. Cell growth inhibition was detected by MTT assay, the cell cycle was analyzed by flow cytometry, and
Min Qi et al.
Journal of pharmacological sciences, 121(3), 200-211 (2013-02-27)
Pseudolaric acid B (PAB) is the primary biologically active compound isolated from the root bark of P. kaempferi Gordon. Our previous study demonstrated that PAB induced mitotic catastrophe in L929 cells and indicated that only a small percentage (12%) of
Min Qi et al.
European journal of pharmacology, 683(1-3), 16-26 (2012-03-15)
Pseudolaric acid B (PAB) is the primary biologically active compound isolated from the root bark of P. kaempferi Gordon. Previous studies have demonstrated that PAB arrests cells in G2/M phase in several cancer cell lines without significantly perturbing the G2/M
Quan-Bin Han et al.
Journal of separation science, 32(2), 309-313 (2008-12-17)
In order to provide the chemical markers for the quality control of herbal medicines, four diterpenoids, pseudolaric acids A and B (PAA and PAB), and their glucosides were isolated from the methanol extract of the Chinese herb Pseudolarix kaempferi using
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