IsoSciences offers over 300 steroids including the largest selection of ¹³C labeled internal standards available on the market today.

All steroids come with complete Certificate of Analysis, including a purity figure, NMR confirmation, mass spec identification and the isotope incorporation.

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Isotope Labels: Unlabelled Carbon-13 Nitrogen-15 Deuterium

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14352
7-Ketodehydroepiandrosterone-[d₅]
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14355
16-Ketodehydroepiandrosterone-[d₅]
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14441 CAS:
15775-74-3
Progesterone-[d₉]
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14456 CAS:
516-41-6
Dihydrocortisol
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14037 CAS:
77546-39-5
Testosterone-[d₃]
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S8056UNL CAS:
53-06-5
Cortisone
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S8066 CAS:
1257742-38-3
18-Hydroxycorticosterone-[d₄]
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S10402
Pregnenolone-[20,21-¹³C₂, 16,16-d₂]
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14999
Tetrahydrocorticosterone-[d₅]
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13413 CAS:
53-41-8
Androsterone
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Showing 51 to 60 out of 280

ANALYTICAL CAPABILITIES

PURITY
Access by HPLC, ELSD or GC
STRUCTURAL
Determination by ¹H and ¹³C NMR
ISOTOPE INCORPORATION
Calculated by LC-MS/MS, LC-MS or GC-MS

INDUSTRY APPLICATIONS

Clinical and diagnostic labs utilizing mass spec for quantification and analysis
Researching purity and impurity profiles in drugs
R & D in pharmaceutical industries
Standards for environmental analysis
Clinical research

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