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O7760

Sigma-Aldrich

Okadaic acid sodium salt from Prorocentrum concavum

≥90% (HPLC), film

Synonym(s):

OA

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About This Item

Empirical Formula (Hill Notation):
C44H67NaO13
CAS Number:
Molecular Weight:
826.98
MDL number:
UNSPSC Code:
12352106
PubChem Substance ID:
NACRES:
NA.77

biological source

plant (Prorocentrum concavum)

Quality Level

Assay

≥90% (HPLC)

form

film

color

translucent

solubility

0.1% acetic acid in CH3CN: H2O (1:1): 250 μg/mL, clear, colorless

storage temp.

−20°C

SMILES string

[Na+].C[C@@H]1CC[C@]2(CCCCO2)O[C@@H]1[C@@H](C)C[C@H](O)[C@H]3O[C@@H]4CC[C@@]5(CC[C@@H](O5)\C=C\[C@@H](C)[C@@H]6CC(C)=C[C@@]7(O[C@@H](CC[C@H]7O)C[C@@](C)(O)C([O-])=O)O6)O[C@H]4[C@H](O)C3=C

InChI

1S/C44H68O13.Na/c1-25-21-34(55-44(23-25)35(46)12-11-31(54-44)24-41(6,50)40(48)49)26(2)9-10-30-14-18-43(53-30)19-15-33-39(57-43)36(47)29(5)38(52-33)32(45)22-28(4)37-27(3)13-17-42(56-37)16-7-8-20-51-42;/h9-10,23,26-28,30-39,45-47,50H,5,7-8,11-22,24H2,1-4,6H3,(H,48,49);/q;+1/p-1/b10-9+;/t26-,27-,28+,30+,31+,32+,33-,34+,35-,36-,37+,38+,39-,41-,42+,43-,44-;/m1./s1

InChI key

BYHIFOCTDVNQQT-GHIYGBLASA-M

Related Categories

Biochem/physiol Actions

Dinoflagellate toxin and an ionophore-like polyether derivative of a 38 carbon, fatty acid. Readily enters cells. Inhibitor of type 1 and type 2A protein phosphatases. Does not inhibit tyrosine phosphatases, alkaline phosphatases or acid phosphatase. Known tumor promotor. Used to study various cellular processes including cell cycle, apoptosis, nitric oxide metabolism and calcium signaling.

Features and Benefits

This compound is featured on the Phosphoprotein Phosphatases (Serine/Threonine) page of the Handbook of Receptor Classification and Signal Transduction. To browse other handbook pages, click here.

Pictograms

Skull and crossbones

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Skin Irrit. 2

WGK

WGK 3

Regulatory Information

高风险级别生物产品--毒素类产品

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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Diego Figueroa et al.
Journal of toxicology and environmental health. Part A, 83(15-16), 573-588 (2020-07-21)
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Cell migration is an important biological phenomenon involved in many homeostatic and aberrant physiological processes. Phosphorylation of the focal adhesion adaptor protein, paxillin, on serine 273 (S273) has been implicated as a key regulator of cell migration. Here, it is
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