Formulation: A solid
Formal Name: N-[2-(4-phenoxyphenoxy)ethyl]-carbamic acid, ethyl-2,2,2-d3 ester
Purity: ≥99% deuterated forms (d1-d3)
Formula Markup: C17H16D3NO4
Formula Weight: 304,4
Shelf life (days): 1460
CAS Number: 2468639-22-5
Notes: Fenoxycarb-d3 is intended for use as an internal standard for the quantification of fenoxycarb (Item No. 25607) by GC- or LC-MS. Fenoxycarb is a non-neurotoxic carbamate insecticide that acts as an insect growth regulator via juvenile hormone-like activity.{39983} It inhibits terminal development of first instar and newly transformed second instar nymphs of Florida red scale (C. aonidum) when used at a concentration of 0.0125% AI.{39984} Fenoxycarb (5 and 10 mg AI/colony) reduces the colony size index of laboratory colonies of red imported fire ants (S. invicta) by 95.9 and 93.6%, respectively, at 8 weeks post-treatment.{39985} It is toxic to D. magna (LC50 = 0.5 mg a.s./L) and fish, including O. mykiss, L. macrochirus, C. carpio, I. punctatus, and C. variegatus (LC50s = 0.66-1.5 mg a.s./L), but is not toxic to rats (LD50 = >10,000 mg/kg).{39990} Fenoxycarb is also an antagonist of α4β4-, α4β2-, α3β4-, and α3β2-containing rat nicotinic acetylcholine receptors (nAChRs; IC50s = 3, 2.4, 1.8, and 7.6 μM, respectively) but not rat brain acetylcholinesterase (AChE; IC50 = >1,000 μM).{39986}
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