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

Overview IFRA Request a quote

  • Identifiers

    CAS number
    36267-77-3

    Molecular formula
    C8H10N2O

    SMILES
    CC1C2=NC(=NC=C2CO1)C

  • Odor profile

    Fragrance
    Sweet 55.85%
    Nutty 48.74%
    Roasted 43.2%
    Popcorn 33.95%
    Earthy 29.97%
    Musty 28.85%
    Powdery 27.9%
    Burnt 26.97%
    Vanilla 25.64%
    Chocolate 23.96%

     

    Flavor
    Bitter 54.42%
    Roasted 42.52%
    Nutty 38.78%
    Earthy 34.07%
    Potato 30.28%
    Coffee 30.09%
    Musty 28.57%
    Roast 28.51%
    Cocoa 26.81%
    Burnt 25.14%

     

    Odor impact est.
    High

  • Properties

    XLogP3-AA
    0.3

    pKa est.
    4.21 (weak acid)

    Molecular weight
    150.18 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Moderate

    Boiling point est.
    224°C

    Flash point

    • 110.75 ˚C est.

  • Synonyms

    • 2,7-dimethyl-5,7-dihydrofuro[3,4-d]pyrimidine
    • 36267-77-3
    • SCHEMBL10291319

  • Applications

    2,7-Dimethyl-5,7-dihydrofuro[3,4-d]pyrimidine (CAS 36267-77-3) is primarily used as a chemical building block and synthetic intermediate in pharmaceutical chemistry and related research. In drug development, it serves as a heterocyclic scaffold for further functionalization to access diverse drug-like compounds. It is also commonly evaluated as a starting material or intermediate for the preparation of related heterocycles in chemical libraries and exploratory screening. In agrochemical and specialty-chemical research, the compound may be investigated as a potential intermediate for the synthesis of bioactive molecules. Additionally, it can function as a research reagent or reference standard in analytical method development and structural characterization. Depending on regulatory constraints and formulation context, its use is typically limited to research, development, and scale-up contexts rather than final consumer products.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 98.08
    methanol 172.77
    isopropanol 77.21
    water 12.17
    ethyl acetate 78.89
    n-propanol 83.62
    acetone 99.19
    n-butanol 73.9
    acetonitrile 93.84
    DMF 225.74
    toluene 45.64
    isobutanol 73.1
    1,4-dioxane 167.75
    methyl acetate 92.66
    THF 147.94
    2-butanone 90.3
    n-pentanol 57.56
    sec-butanol 70.43
    n-hexane 3.0
    ethylene glycol 94.37
    NMP 158.53
    cyclohexane 3.71
    DMSO 217.46
    n-butyl acetate 45.77
    n-octanol 37.84
    chloroform 280.55
    n-propyl acetate 40.49
    acetic acid 93.2
    dichloromethane 277.37
    cyclohexanone 106.36
    propylene glycol 76.35
    isopropyl acetate 43.99
    DMAc 213.42
    2-ethoxyethanol 126.53
    isopentanol 66.43
    n-heptane 4.53
    ethyl formate 89.07
    1,2-dichloroethane 136.06
    n-hexanol 58.04
    2-methoxyethanol 228.73
    isobutyl acetate 34.02
    tetrachloromethane 51.67
    n-pentyl acetate 42.21
    transcutol 179.08
    n-heptanol 38.95
    ethylbenzene 25.71
    MIBK 47.83
    2-propoxyethanol 132.2
    tert-butanol 75.85
    MTBE 52.24
    2-butoxyethanol 86.14
    propionic acid 73.35
    o-xylene 37.96
    formic acid 94.43
    diethyl ether 46.21
    m-xylene 38.59
    p-xylene 38.59
    chlorobenzene 86.7
    dimethyl carbonate 49.77
    n-octane 3.54
    formamide 93.29
    cyclopentanone 130.33
    2-pentanone 67.08
    anisole 63.6
    cyclopentyl methyl ether 66.93
    gamma-butyrolactone 155.79
    1-methoxy-2-propanol 146.48
    pyridine 122.94
    3-pentanone 56.82
    furfural 223.4
    n-dodecane 4.46
    diethylene glycol 158.63
    diisopropyl ether 16.54
    tert-amyl alcohol 68.53
    acetylacetone 93.46
    n-hexadecane 5.05
    acetophenone 66.76
    methyl propionate 76.72
    isopentyl acetate 47.99
    trichloroethylene 262.65
    n-nonanol 34.49
    cyclohexanol 57.29
    benzyl alcohol 72.39
    2-ethylhexanol 36.19
    isooctanol 34.16
    dipropyl ether 27.83
    1,2-dichlorobenzene 88.37
    ethyl lactate 49.32
    propylene carbonate 96.03
    n-methylformamide 125.69
    2-pentanol 46.29
    n-pentane 3.49
    1-propoxy-2-propanol 76.07
    1-methoxy-2-propyl acetate 65.93
    2-(2-methoxypropoxy) propanol 74.29
    mesitylene 24.79
    ε-caprolactone 100.92
    p-cymene 25.82
    epichlorohydrin 209.1
    1,1,1-trichloroethane 116.12
    2-aminoethanol 102.41
    morpholine-4-carbaldehyde 195.99
    sulfolane 173.61
    2,2,4-trimethylpentane 4.7
    2-methyltetrahydrofuran 103.68
    n-hexyl acetate 53.82
    isooctane 3.3
    2-(2-butoxyethoxy)ethanol 91.18
    sec-butyl acetate 31.07
    tert-butyl acetate 41.14
    decalin 5.91
    glycerin 131.56
    diglyme 152.2
    acrylic acid 82.97
    isopropyl myristate 25.93
    n-butyric acid 86.68
    acetyl acetate 57.04
    di(2-ethylhexyl) phthalate 38.21
    ethyl propionate 42.25
    nitromethane 154.66
    1,2-diethoxyethane 55.96
    benzonitrile 93.88
    trioctyl phosphate 26.85
    1-bromopropane 64.69
    gamma-valerolactone 190.43
    n-decanol 27.68
    triethyl phosphate 30.73
    4-methyl-2-pentanol 33.97
    propionitrile 78.75
    vinylene carbonate 109.85
    1,1,2-trichlorotrifluoroethane 162.87
    DMS 58.6
    cumene 24.11
    2-octanol 29.17
    2-hexanone 44.83
    octyl acetate 33.43
    limonene 28.32
    1,2-dimethoxyethane 150.81
    ethyl orthosilicate 29.6
    tributyl phosphate 30.49
    diacetone alcohol 67.64
    N,N-dimethylaniline 50.42
    acrylonitrile 107.19
    aniline 73.5
    1,3-propanediol 116.86
    bromobenzene 84.65
    dibromomethane 157.57
    1,1,2,2-tetrachloroethane 187.2
    2-methyl-cyclohexyl acetate 38.91
    tetrabutyl urea 38.48
    diisobutyl methanol 25.22
    2-phenylethanol 68.98
    styrene 29.92
    dioctyl adipate 36.02
    dimethyl sulfate 95.68
    ethyl butyrate 37.43
    methyl lactate 75.09
    butyl lactate 45.61
    diethyl carbonate 32.62
    propanediol butyl ether 75.52
    triethyl orthoformate 32.84
    p-tert-butyltoluene 23.79
    methyl 4-tert-butylbenzoate 60.35
    morpholine 145.53
    tert-butylamine 44.21
    n-dodecanol 22.5
    dimethoxymethane 141.18
    ethylene carbonate 86.12
    cyrene 81.87
    2-ethoxyethyl acetate 62.93
    2-ethylhexyl acetate 38.45
    1,2,4-trichlorobenzene 103.22
    4-methylpyridine 121.15
    dibutyl ether 29.09
    2,6-dimethyl-4-heptanol 25.22
    DEF 96.16
    dimethyl isosorbide 98.94
    tetrachloroethylene 131.33
    eugenol 76.54
    triacetin 53.02
    span 80 58.44
    1,4-butanediol 66.07
    1,1-dichloroethane 122.3
    2-methyl-1-pentanol 55.37
    methyl formate 116.0
    2-methyl-1-butanol 69.08
    n-decane 6.24
    butyronitrile 80.3
    3,7-dimethyl-1-octanol 37.42
    1-chlorooctane 24.36
    1-chlorotetradecane 12.87
    n-nonane 5.64
    undecane 5.2
    tert-butylcyclohexane 6.12
    cyclooctane 2.28
    cyclopentanol 71.28
    tetrahydropyran 79.87
    tert-amyl methyl ether 46.38
    2,5,8-trioxanonane 111.01
    1-hexene 13.47
    2-isopropoxyethanol 81.56
    2,2,2-trifluoroethanol 71.53
    methyl butyrate 56.94

    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