An internal standard for the quantification of 5α-cholestane
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Unlabeled Version(s)
267635α-Cholestane
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5α-Cholestane-d4

Item No. 43798

Product Insert (PDF)Safety Data Sheet (SDS) (PDF)
Technical Information
Formal Name
(5α)-cholestane-1,1,4,4-d4
CAS Number
205529-74-4
Molecular Formula
C27H44D4
Formula Weight
376.7
Purity
≥99% deuterated forms (d1-d4)
Formulation
A solid
Solubility(Learn about Variance in Solubility)
DMF: 1 mg/mlDMSO: 0.1 mg/mlEthanol: 20 mg/mlEthanol: PBS (pH 7.2)(1:2): 0.1 mg/mlPBS (pH7.2): 0.1mg/ml
SMILES
C[C@H](CCCC(C)C)[C@@]1([H])CC[C@@]2([H])[C@]3([H])CC[C@@]4([H])C([2H])([2H])CC([2H])([2H])C[C@]4(C)[C@@]3([H])CC[C@@]21C
InChi Code
InChI=1S/C27H48/c1-19(2)9-8-10-20(3)23-14-15-24-22-13-12-21-11-6-7-17-26(21,4)25(22)16-18-27(23,24)5/h19-25H,6-18H2,1-5H3/t20-,21-,22+,23-,24+,25+,26+,27-/m1/s1/i7D2,11D2
InChi Key
XIIAYQZJNBULGD-ZMFVDLGJSA-N
Shipping & Storage Information
Storage
-20°C
Shipping
Room temperature in continental US; may vary elsewhere
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Certificates of Analysis & Batch Specific Data

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    1 mg

    $94

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    5 mg

    $351

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    10 mg

    $561

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    25 mg

    $1,052

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    Product Description

    5α-Cholestane-d4 is intended for use as an internal standard for the quantification of 5α-cholestane (Item No. 26763) by GC- or LC-MS. 5α-Cholestane is a sterol that has been found in dust samples from urban and rural paved and agricultural and public unpaved roads.1 It has been used as an internal standard for the quantification of phytosterols by HPLC-MS/MS and fecal sterols by GC-FID and GC-MS.2,3

    WARNING This product is not for human or veterinary use.

    References & Product Citations
    Product Description References

    1. Rogge, W.F., Medeiros, P.M., and Simoneit, B.R.T. Organic compounds in dust from rural and urban paved and unpaved roads taken during the San Joaquin Valley fugitive dust characterization study. Environ. Eng. Sci. 29(1), 1-13 (2012).

    2. Mingyai, S., Strikaeo, K., Kettawan, A., et al. Effects of extraction methods on phytochemicals of rice bran oils produced from colored rice. J. Oleo. Sci. 67(2), 135-142 (2018).

    3. Schönning, C., Leeming, R., and Stenström, T.A. Faecal contamination of source-separated human urine based on the content of faecal sterols. Water Res. 36(8), 1965-1972 (2002).