L-Alloisoleucine (L-allo-Isoleucine) is a branched chain amino acid and is a stereoisomer of L-isoleucine. It is a common constituent of human plasma (albeit at low levels). L-alloisoleucine is produced as a byproduct of isoleucine transamination. Plasma L-alloisoleucine, which is derived from L-isoleucine in vivo, can be used for the diagnosis of maple syrup urine disease (MSUD), a genetic disorder. Indeed, plasma L-alloisoleucine levels above 5 µmol/L is the most specific and most sensitive diagnostic marker for all forms of MSUD.
Molecular Weight:
131.17
Purity:
99.88%
CAS Number:
[1509-34-8]
Formula:
C6H13NO2
Target:
Endogenous Metabolite
T5219
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