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O7885

Sigma-Aldrich

Okadaic acid potassium salt from Prorocentrum concavum

≥90% (HPLC), powder

Synonym(s):

OA

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About This Item

Empirical Formula (Hill Notation):
C44H67KO13
CAS Number:
155751-72-7
Molecular Weight:
843.09
MDL number:
MFCD00214356
UNSPSC Code:
12352106
PubChem Substance ID:
24898050
NACRES:
NA.77

biological source

plant (Prorocentrum concavum)

Quality Level

200

assay

≥90% (HPLC)

form

powder

color

white

solubility

H2O: 0.1 mg/mL
DMSO: soluble
ethanol: soluble

storage temp.

−20°C

SMILES string

[K+].CC(CC(O)C1OC2CCC3(CCC(C)(O3)\C=C\C(C)C4CC(C)=CC5(O4)OC(C)(CCC5O)CC(C)(O)C([O-])=O)OC2C(O)C1=C)C6CC7(CCCOC7)COC6C

InChI

1S/C46H72O13.K/c1-27-20-35(56-46(22-27)36(48)12-15-42(7,59-46)24-43(8,52)40(50)51)28(2)10-14-41(6)17-18-45(58-41)16-11-34-39(57-45)37(49)30(4)38(55-34)33(47)21-29(3)32-23-44(26-54-31(32)5)13-9-19-53-25-44;/h10,14,22,28-29,31-39,47-49,52H,4,9,11-13,15-21,23-26H2,1-3,5-8H3,(H,50,51);/q;+1/p-1/b14-10+;

InChI key

CWKZDWKRECTBCU-KMZJGFRYSA-M

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.

pictograms

Skull and crossbones
GHS06

signalword

Danger

Hazard Classifications

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

ppe

Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges

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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