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Estriol, 1.0 mg/mL
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E-074
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1.0 mg/mL in Methanol
Estriol is a metabolite of estradiol and the primary estrogen found in urine. Estriol levels in serum, plasma, or urine are measured by LC-MS/MS during pregnancy as part of maternal screens for Down-Syndrome-afflicted fetuses.
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Estrone, 1.0 mg/mL
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E-075
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1.0 mg/mL in Methanol
A precursor of estradiol, estrone is monitored in serum or plasma by LC-MS/MS or GC/MS to assess and diagnose developmental abnormalities, enzyme inactivity or deficiency, polycystic ovary syndrome (PCOS), or hormone replacement therapy in women.
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17alpha-Ethynylestradiol,
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E-076
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1.0 mg/mL in Methanol
A new certified spiking solution® and certified solution standard suitable for LC/MS and GC/MS applications from clinical and diagnostic testing, endocrinology, and clinical chemistry to environmental testing for EPA Method 1698. 17α-Ethynylestradiol is one of the most commonly used medications and can be found in almost all modern formulations of combined oral contraceptive pills.
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