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  MX018–Carbon Isotope Delta Value (δ13CVPDB / ‰). Threeampoules containing dry steroid mixtures. The ampoules contain approximately 400 μg of each steroid with the exception of 16-androstenol supplied close to 280 μg.Vial 1: etiocholanolone (-27.94 ± 0.24),androsterone (-27.79 ± 0.21),11-oxoetiocholanolone (-13.58 ± 0.23),testosterone (-27.87 ± 0.24),11β-hydroxyetiocholanolone -29.51 ± 0.36)Vial 2: 5β-androstane-3α-17β-diol (-29.86 ± 0.16),5α androstane-3α-17β-diol (-31.14 ± 0.24),pregnanediol (-16.79 ± 0.42),epitestosterone (-30.17 ± 0.36),11β-hydroxyandrosterone (-28.59 ± 0.22)Vial 3: 16-androstenol (-30.96 ± 0.37),dehydroepiandrosterone (-31.63 ± 0.54),testosterone (-22.52 ± 0.33)

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  MX017ii–Carbon Isotope Delta Value (δ13CVPDB / ‰) in freeze dried human urine: 19-orandrosterone(–29.82 ± 0.41)

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  MX017i–Mass fraction of testosterone metabolites in freezedried human urine: 5α-androstane-3α-17β-diol(41.2 ± 1.8 ng/g), 5β-androstane-3α-17β-diol (66.0± 2.9 ng/g), androsterone 1652 ± 29 ng/g),etiocholanolone (1359 ± 36 ng/g), testosterone(88.1 ± 4.2 ng/g), epitestosterone (21.9 ± 1.0ng/g), T/E mass ratio (4.03 ± 0.26)

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  MX016–Carbon Isotope Delta Value (δ13CVPDB / ‰) of 19-norandrosterone (-29.7 ± 0.8) in Water containing 20% Methanol 1 (mL)

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  MX003–Mass fraction of 19-Norandrosterone (221.4 ng/g)in 1,2-dimethoxyethane (1 mL)

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  CU-PCC 44-1–Carbon isotope delta value reported for 5α-androstan-3α-ol-17-one acetate (δ13CVPDB / ‰ -32.73 ± 0.06), 5β-androstan-3α, 17β-diacetate(δ13CVPDB / ‰ -30.19 ± 0.07), 5α-cholestane(δ13CVPDB / ‰ -24.83 ± 0.13), and 5β- pregnan-3α,20α-diacetate (δ13CVPDB / ‰ -21.16 ± 0.08)

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  CU-PCC 42-1–Carbon isotope delta value reported for 5α-cholestane (δ13CVPDB / ‰ -25.03 ± 0.01)

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  CU-PCC 41-1–Carbon isotope delta value reported for 5α-androstan-3α-ol-17-one acetate (δ13CVPDB / ‰ -32.82 ± 0.02)

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  CU-PCC 40-1–Carbon isotope delta value reported for 5α-androstan-3α-ol-17-one (δ13CVPDB / ‰ -7.09 ±0.07)

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