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Key Documents

P4904

Sigma-Aldrich

Platelet Activating Factor-16

≥98%

Synonym(s):

1-Hexadecyl-2-acetyl-sn-glycero-3-phosphocholine, 1-O-Palmityl-2-acetyl-sn-glycero-3-phosphocholine monohydrate, 2-Acetyl-1-hexadecyl-sn-glycero-3-phosphocholine, 3-sn-Phosphatidylcholine, 1-hexadecyl-2-acetyl, PAF(C16), Platelet activating factor

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About This Item

Empirical Formula (Hill Notation):
C26H54NO7P · xH2O
CAS Number:
Molecular Weight:
523.68 (anhydrous basis)
Beilstein:
3574588
MDL number:
UNSPSC Code:
12352211
PubChem Substance ID:
NACRES:
NA.77

Product Name

β-Acetyl-γ-O-hexadecyl-L-α-phosphatidylcholine hydrate, ≥98%

Quality Level

Assay

≥98%

form

powder

storage temp.

−20°C

SMILES string

O.CCCCCCCCCCCCCCCCOC[C@H](COP([O-])(=O)OCC[N+](C)(C)C)OC(C)=O

InChI

1S/C26H54NO7P.H2O/c1-6-7-8-9-10-11-12-13-14-15-16-17-18-19-21-31-23-26(34-25(2)28)24-33-35(29,30)32-22-20-27(3,4)5;/h26H,6-24H2,1-5H3;1H2/t26-;/m1./s1

InChI key

HFMSDOHEENWULV-UFTMZEDQSA-N

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Application

β-Acetyl-γ-O-hexadecyl-L-α-phosphatidylcholine has been used:
  • to study its effects on phagocytic activity and production of superoxide anion in equine alveolar macrophage and blood neutrophils
  • to study its protective effects against cisplatin-induced cell death in a human melanoma cell line in vitro
  • to determine its effects on cervical ripening and leukocyte infiltration in rat models

Biochem/physiol Actions

β-Acetyl-γ-O-hexadecyl-L-α-phosphatidylcholine or platelet-activating factor (PAF), is a phospholipid, and a pro-inflammatory lipid mediator. It acts as a ligand for G protein-coupled platelet-activating factor (PAF) receptors and participates in several biological processes such as airway constriction, hypotension, platelet activation, and increased vascular permeability. PAF is released by various cells such as platelets, neutrophils, endothelial cells, and monocytes/macrophages. The levels of PAF are low in the blood due to its rapid metabolism by PAF acetylhydrolase and low production.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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