Formulation: A solution in methyl acetate
Formal Name: 9-[(1-oxohexadecyl)oxy-7,7',8,8'-d4]-octadecanoic acid
Purity: ≥99% deuterated forms (d1-d4)
Formula Markup: C34H62D4O4
Formula Weight: 542,9
Shelf life (days): 365
CAS Number: 2704278-85-1
Notes: 9-PAHSA-d4 is intended for use as an internal standard for the quantification of 9-PAHSA (Item No. 17037) by GC- or LC-mass spectrometry. Branched fatty acid esters of hydroxy fatty acids (FAHFAs) are newly identified endogenous lipids regulated by fasting and high-fat feeding and associated with insulin sensitivity.{27644} Structurally, these esters are comprised of a C-16 or C-18 fatty acid (e.g., palmitoleic, palmitic, oleic, or stearic acid) linked to a hydroxylated C-16 or C-18 lipid. 9-PAHSA is a FAHFA in which palmitic acid is esterified to 9-hydroxy stearic acid. PAHSAs are the most abundant forms of FAHFA in serum as well as white and brown adipose tissues of glucose tolerant AG4OX mice, which overexpress Glut4 specifically in adipose tissue.{27644} 9-PAHSA is the predominant isomer of PAHSA in wild type and AG4OX mice.{27644} It is found in humans and is reduced in the serum and adipose tissues of insulin-resistant humans.{27644} 9-PAHSA improves glucose tolerance, stimulates insulin secretion, and has anti-inflammatory effects in mice.{27644}
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