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Table 1 Molecular formula and mass of target compounds and their derivatives

From: Rapid determination of natural steroidal hormones in saliva for the clinical diagnoses

Steroids Corresponding Derivative Products
Full
Name
Short
Name
Chemspider
ID
Molecular
Formula
Molecular Weight Structure Short
Name
Molecular
Formula
Molecular Weight
Estrone E1 5660 C18H22O2 270.4 bis-TMS-E1 C24H38O2Si2 414.3
17β-Estradiol E2 5554 C18H24O2 272.4 bis-TMS-E2 C24H40O2Si2 416.4
Progesterone P 5773 C21H30O2 314.5 bis-TMS-P C27H46O2Si2 458.3
Testosterone T 5791 C19H28O2 288.4 bis-TMS-T C25H44O2Si2 432.3
Estriol E3 5553 C18H24O3 288.4 tri-TMS-E3 C27H48O3Si3 504.4