Estrogens & progestins & internal contraceptives

17&#945-Hydroxypregnenolone is a steroid hormone produced in the adrenal glands. This hormone is monitored as an ancillary test for congenital adrenal hyperplasia (CAH), particularly in situations where diagnosis of 21-hydroxylase and

Application This product may be used as an analytical standard. Packaging This product may be available from bulk stock and can be packaged on demand.

A Certified Spiking Solution &#174 suitable for use as starting material in calibrators, controls, or linearity standards for a variety of LC/MS or GC/MS applications from endocrinology to clinical and diagnostic testing. 17 &#946 -Estradiol

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 .

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 .

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 .

A sex hormone, estradiol is measured in women to assess activity of the ovaries and overall reproductive function. This stable labeled internal standard is suitable for quantitation of estradiol levels in women, men, or children by LC/MS in

A stable-labeled internal standard for 17&#223-Estradiol testing or isotope dilution methods by GC/MS or LC/MS for endocrinology, clinical chemistry or diagnostic purposes. Estradiol is a sex hormone prescribed under the trade names Vagifem &#174

This Certified Reference Material (CRM) is produced and certified in accordance with ISO 17034 and ISO/IEC 17025. All information regarding the use of this CRM can be found on the certificate of analysis.

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

21-Hydroxyprogesterone

21-Hydroxyprogesterone