1. APIs
  2. Levonorgestrel
  3. Impurities
  4. LNG Impurity 7

LNG Impurity 7

Structure

MOL SDF CML

CASRN

10021-08-7

Notes

Not identified in pharmacopoeias. Result of further photodegradation of LNG impurity 5.

Molecular Formula

C22H34O3

References

Molecular Weight

346.51 g/mol

References

Reaxys ID Number

5593130

References

Source from API

Product of photolysis in polar solvent (methanol)

library_books

References

  1. Williams, J. R.; Mattei, P. L.; Abdel-Magid, A.; Blount, J. F., Photochemistry of estr-4-en-3-ones: 17.beta.-hydroxy-4-estren-3-one, 17.beta.-acetoxy-4,9-estradien-3-one, 17.beta.-hydroxy-4,9,11-estratrien-3-one, and norgestrel. Photochemistry of 5.alpha.-estran-3-ones. The Journal of Organic Chemistry 1986, 51 (6), 769-773. (View all citations for this reference)

References

  1. Williams, J. R.; Mattei, P. L.; Abdel-Magid, A.; Blount, J. F., Photochemistry of estr-4-en-3-ones: 17.beta.-hydroxy-4-estren-3-one, 17.beta.-acetoxy-4,9-estradien-3-one, 17.beta.-hydroxy-4,9,11-estratrien-3-one, and norgestrel. Photochemistry of 5.alpha.-estran-3-ones. The Journal of Organic Chemistry 1986, 51 (6), 769-773. (View all citations for this reference)