Shelf life (days): 730.0
Formulation: A solution in methyl acetate
Formal Name: 9a-hydroxy-11,15-dioxo-prost-5Z-en-1-oic-3,3,4,4-d4 acid
Purity: ≥99% deuterated forms (d1-d4)
Formula Markup: C20H28D4O5
Formula Weight: 356.5
Notes: 13,14-dihydro-15-keto Prostaglandin D2-d4 (13,14-dihydro-15-keto PGD2-d4) is intended for use as an internal standard for the quantification of 13,14-dihydro-15-keto PGD2 (Item No. 12610) by GC- or LC-mass spectrometry. 13,14-dihydro-15-keto PGD2 is a metabolite of PGD2 which is formed through the 15-hydroxy PGDH pathway. 13,14-dihydro-15-keto PGD2 was recently identified as a selective agonist for the CRTH2/DP2 receptor.{5248} It also inhibits ion flux in a canine colonic mucosa preparation.{9769} In humans, 13,14-dihydro-15-keto PGD2 is further metabolized to give 11β-hydroxy compounds which have also undergone β-oxidation of one or both side chains. Virtually no 13,14-dihydro-15-keto PGD2 survives intact in the urine.{418,35}
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