碳水化合物抗原19-9CA19-9)是一種四糖,通常附著在細胞表面的O-聚糖上。眾所周知,它在細胞識別過程中起著重要作用。它也是一種癌症標誌物,主要用於胰臟癌的治療。[1]

Quick Facts Sialyl-LewisA, 識別 ...
Sialyl-LewisA
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IUPAC名
(12S,14S,15R,16R,32R,33R,34S,35S,36R,52R,53S,54R,55R,56Ξ,72S,73S,74R,75S,76S)-15,55-Diacetamido-14,33,35,56,73,74,75-heptahydroxy-36,52-bis(hydroxymethyl)-76-methyl-16-[(1R,2R)-1,2,3-trihydroxypropyl]-2,4,6-trioxa-1,7(2),3(4,2),5(4,3)-tetraoxanaheptaphane-12-carboxylic acid
別名 sialyl LeA, SLeA, cancer antigen 19-9, CA19-9
識別
CAS號 92448-22-1  checkY
PubChem 10985677
ChemSpider 9160877
SMILES
 
  • O=C(O)[C@@]1(O[C@H]2[C@@H](O)[C@@H](CO)O[C@@H](O[C@H]3[C@H](O[C@H]4[C@@H](O)[C@H](O)[C@H](O)[C@H](C)O4)[C@@H](CO)OC(O)[C@@H]3NC(C)=O)[C@@H]2O)C[C@H](O)[C@@H](NC(C)=O)[C@H]([C@H](O)[C@H](O)CO)O1
ChEBI 61793
MeSH sialyl+Lewis+A
性質
化學式 C31H52N2O23
摩爾質量 820.74 g·mol−1
若非註明,所有數據均出自標準狀態(25 ℃,100 kPa)下。
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