Estrogens & progestins & internal contraceptives

21-Hydroxyprogesterone

Application 22(S),23(S)-Homobrassinolide has been used as a brassinosteroid supplement: to study its effects on DNA methylation, callus growth and regeneration in barley. to study its effects on cell elongation in Arabidopsis thaliana .

Biochem/physiol Actions 4-Hydroxyestradiol, an metabolite of estradiol, forms adducts with adenine (N 3 ) and guanine (N 7 ) by depurinating sites in DNA of cultured human breast epithelial cells. This effect may play an important role in malignant

Biochem/physiol Actions 4-Hydroxyestradiol, an metabolite of estradiol, forms adducts with adenine (N 3 ) and guanine (N 7 ) by depurinating sites in DNA of cultured human breast epithelial cells. This effect may play an important role in malignant

An anti-inflammatory steroid.

An anti-inflammatory steroid.

Other Notes Please note that Sigma-Aldrich provides this product to early discovery researchers as part of a collection of rare and unique chemicals. Sigma-Aldrich does not collect analytical data for this product.

&beta-estradiol is a potent mammalian estrogenic hormone produced by the ovary. Triggers the production of gonadotropins leading to ovulation.

&beta-estradiol is a potent mammalian estrogenic hormone produced by the ovary. Triggers the production of gonadotropins leading to ovulation.

&beta-estradiol is a potent mammalian estrogenic hormone produced by the ovary. Triggers the production of gonadotropins leading to ovulation.

&beta-estradiol is a potent mammalian estrogenic hormone produced by the ovary. Triggers the production of gonadotropins leading to ovulation.

Packaging This product may be available from bulk stock and can be packaged on demand. For information on pricing, availability and packaging, please contact Stable Isotopes Customer Service .