Dehydroepiandrosterone or DHEA or prasterone

11&beta-PGF2&alpha-d4 contains four deuterium atoms at the 3, 3&#39, 4, and 4&#39 positions. It is intended for use as an internal standard for the quantification of 11&beta-PGF2&alpha by GC- or LC-MS.

A major urinary metabolite of PGE2 that is excreted in guinea pig urine at a concentration range of 1.34-2.74.

3,4-Dehydro-L-proline acts a prolyl-t-RNA synthetase. Biochem/physiol Actions 3,4-Dehydro-L-proline is used as a substrate and inhibitor of various enzymes.

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.

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.

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.

This Certified Spiking Solution &#174 is suitable for GC/MS and LC/MS applications from clinical and diagnostic testing and endocrinology to sports testing. 5 &#945 -Dihydrotestosterone (DHT) is a steroid hormone and metabolite of the natural

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.

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.

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.

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.

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.