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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S14469UNL-1.0 CAS:
53-05-4
Tetrahydrocortisone (Solution)
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Preview Catalog:
S14146-0.1
17β-Estradiol Undecanoate-[¹³C₃] (Solution)
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14361 CAS:
18339-16-7
Androstenone
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Preview Catalog:
14362
Androstanone
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15208 CAS:
72-63-9
Methandrosterone
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14283 CAS:
1224-92-6
5α-Androstan-3β-ol
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15033 CAS:
73609-45-7
Androstenediol-[d₃]
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6113UNL CAS:
58562-33-7
Methoxyestrone
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S14005UNL-1.0 CAS:
315-37-7
Testosterone Heptanoate
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Preview Catalog:
14321
Pregnanetriol-[d₅]
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Showing 41 to 50 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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