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Applications
Sex hormones on a ZB-1ms 30x0.25x0.25 by GCMS
19293
Androgens
Clinical
Clinical Research
Therapeutic / Clinical

Applications

Sex hormones on a ZB-1ms 30x0.25x0.25 by GCMS
Analytes
1Androsterone
2DHEA
317-alpha-Estradiol
4Estrone
517-beta-Estradiol
6Testosterone
Compound Name
Androsterone
CID
5879
Molecular Formula
C19H30O2
Molecular Weight
290
No. Hydrogen Bond Acceptors
2
No. Hydrogen Bond Donors
1
Details
GC Conditions (App ID: 19293)
Injection:
Split 10:1 @ 250°C, 1.0 μL
Oven Program:
220ºC to 320ºC @ 10ºC/min for 5 min
Carrier Gas:
Constant Flow Helium, 1.0 mL/min
Detection:
Mass Selective (MSD) @ 50 amu (320°C)
Sample Notes:
Sample Prep: 50µL of 100µg/mL hormone mix in methanol is reacted with 50µL of 2% methoxyamine in pyridine @ 60ºC for 30 minutes. Reaction mixture is evaporated to dryness under nitrogen at room temp and reconstituted in BSTFA. The BSTFA mixture is reacted at 70ºC for 30 minutes and then injected into GCMS. Note: There is slight peak splitting of testosterone due to isomerization of the oxime-TMS derivative.
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Application Specific