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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