5alpha-Cholest-7-en-3-one

Overview IFRA Request a quote

  • Identifiers

    CAS number
    15459-85-5

    Molecular formula
    C27H44O

    SMILES
    C[C@H](CCCC(C)C)[C@H]1CC[C@@H]2[C@@]1(CC[C@H]3C2=CC[C@@H]4[C@@]3(CCC(=O)C4)C)C

    Safety labels

  • Odor profile

    Fragrance
    Woody 81.57%
    Amber 44.81%
    Sandalwood 42.61%
    Dry 42.4%
    Spicy 38.53%
    Balsamic 37.84%
    Cedar 35.77%
    Waxy 35.42%
    Vetiver 34.37%
    Oily 32.94%

     

    Flavor
    Woody 47.18%
    Wood 38.21%
    Spice 36.49%
    Herb 32.68%
    Herbal 31.42%
    Waxy 22.61%
    Fir needle 21.82%
    Terpentine 21.79%
    Pine 21.66%
    Cedarleaf 21.34%

     

    Odor impact est.
    Low

  • Properties

    XLogP3-AA
    7.9

    pKa est.
    7.46 (neutral)

    Molecular weight
    384.6 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra slow

    Boiling point est.
    485°C

    Flash point

    • 212.03 ˚C est.

  • Synonyms

    • lathosterone
    • 5alpha-Cholest-7-en-3-one
    • 15459-85-5
    • Cholest-7-en-3-one, (5a)-
    • (5S,9R,10S,13R,14R,17R)-10,13-dimethyl-17-[(2R)-6-methylheptan-2-yl]-1,2,4,5,6,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-3-one
    • (5-ALPHA)-CHOLEST-7-EN-3-ONE
    • Cholest-7-en-3-one #
    • 5.alpha.-Cholest-7-en-3-one
    • Cholest-7-en-3-one, (5.alpha.)-
    • 5a-cholest-7-en-3-one
    • (5alpha)-cholest-7-en-3-one
    • 5.alpha.-Cholest-7-ene-3-one
    • CHEBI:71550
    • FLRPNSKUGCVRRB-IINKENNYSA-N
    • C23120
    • Q27139703
    • 15459-85-5

  • Applications

    5alpha-Cholest-7-en-3-one (CAS 15459-85-5) is predominantly used as a steroidal intermediate in pharmaceutical synthesis, serving as a building block for steroid drugs such as corticosteroids and sex hormones. In the chemical industry, it acts as a core material for complex steroid synthesis sequences, supporting scalable production routes. In research and development and process optimization, the compound is used as a reference material and precursor for steroid synthesis methods and related formulation development.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 38.01
    methanol 7.65
    isopropanol 40.54
    water 0.06
    ethyl acetate 87.76
    n-propanol 52.69
    acetone 76.36
    n-butanol 71.43
    acetonitrile 18.2
    DMF 43.22
    toluene 240.51
    isobutanol 46.07
    1,4-dioxane 171.89
    methyl acetate 44.34
    THF 269.75
    2-butanone 86.7
    n-pentanol 39.07
    sec-butanol 27.46
    n-hexane 7.14
    ethylene glycol 1.16
    NMP 75.19
    cyclohexane 24.76
    DMSO 15.68
    n-butyl acetate 99.72
    n-octanol 25.49
    chloroform 246.16
    n-propyl acetate 65.49
    acetic acid 18.26
    dichloromethane 152.36
    cyclohexanone 171.72
    propylene glycol 3.32
    isopropyl acetate 105.24
    DMAc 83.95
    2-ethoxyethanol 47.09
    isopentanol 75.75
    n-heptane 8.64
    ethyl formate 24.27
    1,2-dichloroethane 101.29
    n-hexanol 61.43
    2-methoxyethanol 49.91
    isobutyl acetate 75.88
    tetrachloromethane 39.3
    n-pentyl acetate 91.55
    transcutol 340.22
    n-heptanol 41.98
    ethylbenzene 69.59
    MIBK 104.18
    2-propoxyethanol 126.65
    tert-butanol 34.49
    MTBE 66.52
    2-butoxyethanol 91.44
    propionic acid 19.78
    o-xylene 98.85
    formic acid 3.17
    diethyl ether 114.31
    m-xylene 145.63
    p-xylene 76.7
    chlorobenzene 139.31
    dimethyl carbonate 27.45
    n-octane 2.51
    formamide 5.77
    cyclopentanone 152.87
    2-pentanone 111.31
    anisole 115.98
    cyclopentyl methyl ether 143.22
    gamma-butyrolactone 102.09
    1-methoxy-2-propanol 68.43
    pyridine 169.57
    3-pentanone 83.95
    furfural 91.72
    n-dodecane 1.71
    diethylene glycol 36.66
    diisopropyl ether 45.39
    tert-amyl alcohol 23.14
    acetylacetone 123.92
    n-hexadecane 2.16
    acetophenone 95.84
    methyl propionate 62.49
    isopentyl acetate 131.11
    trichloroethylene 197.12
    n-nonanol 30.9
    cyclohexanol 63.12
    benzyl alcohol 65.01
    2-ethylhexanol 48.0
    isooctanol 40.7
    dipropyl ether 76.12
    1,2-dichlorobenzene 119.37
    ethyl lactate 28.58
    propylene carbonate 65.66
    n-methylformamide 13.56
    2-pentanol 44.21
    n-pentane 11.04
    1-propoxy-2-propanol 106.39
    1-methoxy-2-propyl acetate 162.68
    2-(2-methoxypropoxy) propanol 85.44
    mesitylene 77.73
    ε-caprolactone 147.38
    p-cymene 50.98
    epichlorohydrin 152.1
    1,1,1-trichloroethane 110.07
    2-aminoethanol 6.42
    morpholine-4-carbaldehyde 117.65
    sulfolane 77.66
    2,2,4-trimethylpentane 5.81
    2-methyltetrahydrofuran 147.55
    n-hexyl acetate 92.2
    isooctane 6.45
    2-(2-butoxyethoxy)ethanol 118.63
    sec-butyl acetate 69.11
    tert-butyl acetate 116.35
    decalin 11.74
    glycerin 6.59
    diglyme 217.12
    acrylic acid 13.23
    isopropyl myristate 41.23
    n-butyric acid 66.29
    acetyl acetate 68.92
    di(2-ethylhexyl) phthalate 45.74
    ethyl propionate 63.07
    nitromethane 29.74
    1,2-diethoxyethane 131.6
    benzonitrile 77.17
    trioctyl phosphate 28.72
    1-bromopropane 86.49
    gamma-valerolactone 222.23
    n-decanol 20.47
    triethyl phosphate 45.35
    4-methyl-2-pentanol 43.9
    propionitrile 37.56
    vinylene carbonate 63.72
    1,1,2-trichlorotrifluoroethane 64.9
    DMS 64.39
    cumene 45.89
    2-octanol 23.32
    2-hexanone 68.5
    octyl acetate 46.05
    limonene 55.61
    1,2-dimethoxyethane 105.41
    ethyl orthosilicate 51.99
    tributyl phosphate 31.71
    diacetone alcohol 81.1
    N,N-dimethylaniline 74.17
    acrylonitrile 29.19
    aniline 119.72
    1,3-propanediol 25.64
    bromobenzene 169.61
    dibromomethane 118.62
    1,1,2,2-tetrachloroethane 151.22
    2-methyl-cyclohexyl acetate 86.75
    tetrabutyl urea 43.46
    diisobutyl methanol 36.95
    2-phenylethanol 95.76
    styrene 78.14
    dioctyl adipate 60.86
    dimethyl sulfate 31.73
    ethyl butyrate 86.35
    methyl lactate 23.1
    butyl lactate 64.36
    diethyl carbonate 54.01
    propanediol butyl ether 48.89
    triethyl orthoformate 83.42
    p-tert-butyltoluene 46.48
    methyl 4-tert-butylbenzoate 101.63
    morpholine 170.6
    tert-butylamine 29.49
    n-dodecanol 14.26
    dimethoxymethane 95.65
    ethylene carbonate 60.93
    cyrene 73.0
    2-ethoxyethyl acetate 143.86
    2-ethylhexyl acetate 108.88
    1,2,4-trichlorobenzene 137.72
    4-methylpyridine 182.32
    dibutyl ether 43.48
    2,6-dimethyl-4-heptanol 36.95
    DEF 82.15
    dimethyl isosorbide 152.9
    tetrachloroethylene 99.01
    eugenol 92.44
    triacetin 102.54
    span 80 69.28
    1,4-butanediol 8.32
    1,1-dichloroethane 102.88
    2-methyl-1-pentanol 45.48
    methyl formate 10.12
    2-methyl-1-butanol 57.17
    n-decane 4.06
    butyronitrile 54.68
    3,7-dimethyl-1-octanol 36.91
    1-chlorooctane 21.28
    1-chlorotetradecane 7.17
    n-nonane 3.29
    undecane 2.49
    tert-butylcyclohexane 9.21
    cyclooctane 8.95
    cyclopentanol 38.71
    tetrahydropyran 209.18
    tert-amyl methyl ether 46.87
    2,5,8-trioxanonane 125.51
    1-hexene 26.07
    2-isopropoxyethanol 51.79
    2,2,2-trifluoroethanol 9.44
    methyl butyrate 66.31

    Scent© AI

1 4

IFRA standard 51

Recommendation
No restriction
Maximum acceptable concentrations in the finished product (%)
Category 1
Products applied to the lips
 No restriction Category 7A
Rinse-off products applied to the hair with some hand contact
 No restriction
Category 2
Products applied to the axillae
 No restriction Category 7B
Leave-on products applied to the hair with some hand contact
 No restriction
Category 3
Products applied to the face/body using fingertips
 No restriction Category 8
Products with significant anogenital exposure
 No restriction
Category 4
Products related to fine fragrance
 No restriction Category 9
Products with body and hand exposure, primarily rinse off
 No restriction
Category 5A
Body lotion products applied to the body using the hands (palms), primarily leave on
 No restriction Category 10A
Household care products with mostly hand contact
 No restriction
Category 5B
Face moisturizer products applied to the face using the hands (palms), primarily leave on
 No restriction Category 10B
Household care products with mostly hand contact, including aerosol/spray products (with potential leave-on skin contact)
 No restriction
Category 5C
Hand cream products applied to the hands using the hands (palms), primarily leave on
 No restriction Category 11A
Products with intended skin contact but minimal transfer of fragrance to skin from inert substrate without UV exposure
 No restriction
Category 5D
Baby Creams, baby Oils and baby talc
 No restriction Category 11B
Products with intended skin contact but minimal transfer of fragrance to skin from inert substrate with potential UV exposure
 No restriction
Category 6
Products with oral and lip exposure
 No restriction Category 12
Products not intended for direct skin contact, minimal or insignificant transfer to skin
 No restriction