An impurity in the preparation of vitamin D3
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Isotachysterol 3

Item No. 35751

Product Insert (PDF)Safety Data Sheet (SDS) (PDF)
Technical Information
Formal Name
(3β,6E)-9,10-secocholesta-5(10),6,8(14)-trien-3-ol
CAS Number
22350-43-2
Molecular Formula
C27H44O
Formula Weight
384.6
Purity
≥98%
Formulation (Request formulation change)
A neat oil
Solubility(Learn about Variance in Solubility)
Acetone: SlightlyAcetone: slightlyChloroform: slightlyChloroform: SlightlyEthyl Acetate: SlightlyEthyl Acetate: slightlyMethanol: slightlyMethanol: Slightly
SMILES
C[C@@]12C(CC[C@]2([H])[C@H](C)CCCC(C)C)=C(CCC1)/C=C/C3=C(CC[C@@H](C3)O)C
InChi Code
InChI=1S/C27H44O/c1-19(2)8-6-9-21(4)25-15-16-26-22(10-7-17-27(25,26)5)12-13-23-18-24(28)14-11-20(23)3/h12-13,19,21,24-25,28H,6-11,14-18H2,1-5H3/b13-12+/t21-,24+,25-,27-/m1/s1
InChi Key
ZPZNWLRQHDLNNV-QVEMQNNUSA-N
Origin
Synthetic
Shipping & Storage Information
Storage
-80°C
Shipping
Dry ice in continental US; may vary elsewhere
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    1 mg

    $159

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    Product Description

    Isotachysterol 3 is an impurity in the preparation of vitamin D3 (Item No. 11792).1 It stimulates intestinal calcium transport and bone calcium mobilization in control, as well as in anephric, rats fed a low-calcium and vitamin D-deficient diet when administered at a dose of 5 µg/animal.2

    WARNING This product is not for human or veterinary use.

    References & Product Citations
    Product Description References

    1. Tartivita, K.A., Sciarello, J.P., and Rudy, B.C. High-performance liquid chromatographic analysis of vitamins I: Quantitation of cholecalciferol or ergocalciferol in presence of photochemical isomers of the provitamin and application to cholecalciferol resins. J. Pharm. Sci. 65(7), 1024-1027 (1976).

    2. Holick, M.F., DeLuca, H.F., Kasten, P.M., et al. Isotachysterol3 and 25-hydroxyisotachysterol3: Analogs of 1,25-dihydroxvitamin D3. Science 180(4089), 964-966 (1973).