Formulation: A solid
Formal Name: (17α)-13-ethyl-17-hydroxy-18,19-dinorpregn-4-en-20-yn-3-one-2,2,4,6,6,10-d6
Purity: ≥99% deuterated forms (d1-d6)
Formula Markup: C21H22D6O2
Formula Weight: 318,5
Shelf life (days): 1460
CAS Number: 2376035-98-0
Notes: Levonorgestrel-d6 is intended for use as an internal standard for the quantification of levonorgestrel (Item No. 10006318) by GC- or LC-MS. Levonorgestrel is a synthetic progestin and the biologically active component of norgestrel (Item No. 10006319).{39728} In vivo, levonorgestrel (60 μg/day) suppresses estrus and pregnancy in female cats.{41805} Post-coital insertion of subdermal levonorgestrel (5 mg pellet) implants prevents uterine implantation of embryos in mice.{41804} Formulations containing levonorgestrel have been used as contraceptives.