2,5,7-Trimethyl-5,7-dihydrofuro[3,4-d]pyrimidine

  • Identifiers

    Molecular formula
    C9H12N2O

    SMILES
    CC1C2=CN=C(N=C2C(O1)C)C

  • Odor profile

    Fragrance
    Sweet 60.98%
    Nutty 48.93%
    Roasted 39.59%
    Earthy 34.27%
    Musty 31.99%
    Powdery 30.76%
    Burnt 29.12%
    Vanilla 28.18%
    Cocoa 28.17%
    Chocolate 27.78%

     

    Flavor
    Bitter 46.67%
    Roasted 41.59%
    Nutty 41.46%
    Earthy 37.14%
    Musty 32.79%
    Potato 31.58%
    Cocoa 29.71%
    Coffee 29.25%
    Roast 27.72%
    Burnt 26.58%

     

    Odor impact est.
    High

  • Properties

    XLogP3-AA
    0.7

    pKa est.
    4.73 (weak acid)

    Molecular weight
    164.2 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Moderate

    Boiling point est.
    218°C

    Flash point

    • 114.88 ˚C est.

  • Synonyms

    • SCHEMBL11790663
  • Applications

    2,5,7-Trimethyl-5,7-dihydrofuro[3,4-d]pyrimidine is viewed as a synthetic intermediate and building block in heterocyclic chemistry and fused-ring pyrimidine systems, commonly evaluated in pharmaceutical R&D as a scaffold for medicinal chemistry. It is primarily used as a precursor for the synthesis of complex fused-ring heterocycles and related pyrimidine derivatives, supporting library generation in drug discovery. In both academic and industrial settings, it can serve as an input starting material for the synthesis of related heterocyclic frameworks and derivatives, depending on the synthetic route and regulatory considerations.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 121.26
    methanol 210.31
    isopropanol 87.51
    water 17.34
    ethyl acetate 76.82
    n-propanol 114.42
    acetone 77.33
    n-butanol 93.29
    acetonitrile 131.42
    DMF 191.61
    toluene 97.28
    isobutanol 93.28
    1,4-dioxane 188.32
    methyl acetate 93.98
    THF 173.77
    2-butanone 81.47
    n-pentanol 69.28
    sec-butanol 86.15
    n-hexane 7.55
    ethylene glycol 100.64
    NMP 184.86
    cyclohexane 20.57
    DMSO 163.81
    n-butyl acetate 54.78
    n-octanol 60.53
    chloroform 503.55
    n-propyl acetate 48.05
    acetic acid 110.5
    dichloromethane 504.38
    cyclohexanone 140.6
    propylene glycol 83.66
    isopropyl acetate 44.55
    DMAc 185.48
    2-ethoxyethanol 106.75
    isopentanol 72.42
    n-heptane 10.72
    ethyl formate 101.67
    1,2-dichloroethane 189.99
    n-hexanol 83.08
    2-methoxyethanol 192.97
    isobutyl acetate 38.48
    tetrachloromethane 98.12
    n-pentyl acetate 53.69
    transcutol 152.05
    n-heptanol 52.41
    ethylbenzene 48.77
    MIBK 44.48
    2-propoxyethanol 137.99
    tert-butanol 78.94
    MTBE 48.11
    2-butoxyethanol 86.38
    propionic acid 103.74
    o-xylene 68.44
    formic acid 94.66
    diethyl ether 59.32
    m-xylene 63.07
    p-xylene 70.27
    chlorobenzene 143.11
    dimethyl carbonate 56.56
    n-octane 7.54
    formamide 104.95
    cyclopentanone 138.4
    2-pentanone 59.54
    anisole 86.36
    cyclopentyl methyl ether 89.36
    gamma-butyrolactone 184.51
    1-methoxy-2-propanol 129.9
    pyridine 200.87
    3-pentanone 64.4
    furfural 229.93
    n-dodecane 9.4
    diethylene glycol 150.12
    diisopropyl ether 19.55
    tert-amyl alcohol 74.58
    acetylacetone 76.82
    n-hexadecane 10.72
    acetophenone 85.17
    methyl propionate 86.92
    isopentyl acetate 56.59
    trichloroethylene 344.89
    n-nonanol 53.53
    cyclohexanol 97.77
    benzyl alcohol 95.26
    2-ethylhexanol 54.8
    isooctanol 42.48
    dipropyl ether 40.41
    1,2-dichlorobenzene 137.15
    ethyl lactate 54.46
    propylene carbonate 126.99
    n-methylformamide 136.0
    2-pentanol 53.75
    n-pentane 10.39
    1-propoxy-2-propanol 79.92
    1-methoxy-2-propyl acetate 70.63
    2-(2-methoxypropoxy) propanol 78.0
    mesitylene 38.38
    ε-caprolactone 130.09
    p-cymene 42.98
    epichlorohydrin 210.33
    1,1,1-trichloroethane 165.31
    2-aminoethanol 120.03
    morpholine-4-carbaldehyde 192.69
    sulfolane 200.65
    2,2,4-trimethylpentane 8.05
    2-methyltetrahydrofuran 126.67
    n-hexyl acetate 77.06
    isooctane 5.05
    2-(2-butoxyethoxy)ethanol 99.7
    sec-butyl acetate 35.17
    tert-butyl acetate 40.6
    decalin 13.28
    glycerin 120.18
    diglyme 154.88
    acrylic acid 111.27
    isopropyl myristate 37.9
    n-butyric acid 103.41
    acetyl acetate 64.2
    di(2-ethylhexyl) phthalate 52.0
    ethyl propionate 51.82
    nitromethane 147.92
    1,2-diethoxyethane 60.44
    benzonitrile 138.77
    trioctyl phosphate 38.6
    1-bromopropane 107.12
    gamma-valerolactone 187.93
    n-decanol 43.13
    triethyl phosphate 42.04
    4-methyl-2-pentanol 35.31
    propionitrile 121.45
    vinylene carbonate 160.47
    1,1,2-trichlorotrifluoroethane 177.7
    DMS 75.98
    cumene 40.12
    2-octanol 40.1
    2-hexanone 47.7
    octyl acetate 49.92
    limonene 48.38
    1,2-dimethoxyethane 135.45
    ethyl orthosilicate 38.58
    tributyl phosphate 41.87
    diacetone alcohol 61.06
    N,N-dimethylaniline 68.53
    acrylonitrile 153.02
    aniline 105.91
    1,3-propanediol 119.12
    bromobenzene 154.22
    dibromomethane 299.75
    1,1,2,2-tetrachloroethane 248.68
    2-methyl-cyclohexyl acetate 55.19
    tetrabutyl urea 53.31
    diisobutyl methanol 31.47
    2-phenylethanol 94.03
    styrene 58.1
    dioctyl adipate 52.45
    dimethyl sulfate 89.2
    ethyl butyrate 50.85
    methyl lactate 74.88
    butyl lactate 56.6
    diethyl carbonate 48.61
    propanediol butyl ether 80.61
    triethyl orthoformate 44.69
    p-tert-butyltoluene 38.63
    methyl 4-tert-butylbenzoate 81.37
    morpholine 168.82
    tert-butylamine 57.54
    n-dodecanol 35.67
    dimethoxymethane 130.68
    ethylene carbonate 123.87
    cyrene 90.26
    2-ethoxyethyl acetate 69.7
    2-ethylhexyl acetate 49.07
    1,2,4-trichlorobenzene 149.16
    4-methylpyridine 169.51
    dibutyl ether 44.62
    2,6-dimethyl-4-heptanol 31.47
    DEF 95.99
    dimethyl isosorbide 121.58
    tetrachloroethylene 198.55
    eugenol 91.61
    triacetin 69.5
    span 80 72.16
    1,4-butanediol 71.49
    1,1-dichloroethane 174.33
    2-methyl-1-pentanol 65.2
    methyl formate 120.03
    2-methyl-1-butanol 81.9
    n-decane 13.19
    butyronitrile 104.59
    3,7-dimethyl-1-octanol 52.45
    1-chlorooctane 41.64
    1-chlorotetradecane 22.65
    n-nonane 12.15
    undecane 10.93
    tert-butylcyclohexane 11.27
    cyclooctane 8.5
    cyclopentanol 113.32
    tetrahydropyran 123.12
    tert-amyl methyl ether 48.3
    2,5,8-trioxanonane 122.12
    1-hexene 25.1
    2-isopropoxyethanol 72.42
    2,2,2-trifluoroethanol 81.05
    methyl butyrate 67.67

    Scent© AI

1 of 4
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