3 methylbutyl acetate

Reference standards (+) -β-Pinene (≥98.5%), 1-Octen-3-ol, borneol (≥95%), butyric acid (≥99.5%), citral (≥95%), cis-3-hexen-1-ol (≥98%), diacetyl, dimethyl sulphide, dimethyl trisulphide (≥98.5%), 3-methylbutanal (≥97%), 2-methylbutanal (≥95%), ethyl 2-methylbutanoate (99%), ethyl 2-methylpentanoate (internal standard, ≥99%), ethyl-3-methylbutanoate (≥98%), 3-methylbutyl-2-methylpropanoate (≥98%), 2-methylbutyl-2-methylpropanoate (≥95%), and ethyl cinnamate (99%), ethyl 2-methylpropanoate (≥99%), ethyl 3-methylbutanoate (≥98%), ethyl 4-methylpentanoate (≥97%), ethyl butanoate (≥99,5%), ethyl hexanoate (≥99.5%), eugenol (99.6%), furaneol (≥99%), geraniol (≥99%), hexanol (≥99%), 3-methylbutyl acetate (≥97%), linalool (97%), menthol (99%), methyl nonanoate (≥99.8%), myrcene (≥90%), geranyl acetate (≥97%), dimethyl disulphide (≥90%), limonene (97%), hexanal (≥98%), 3-hexenol (≥95%), 2-phenyl ethanol (≥99%), β-caryophyllene (≥80%), α-humulene (≥96%), humulene oxide, S-methyl 5-methylpentanthioate S-methyl hexanthioate, S-methyl 4-methylpentanoate and theaspirane (≥90%) were purchased from Sigma Aldrich (St. Louis, MO, USA).

Authentic standards were obtained from the following sources. Ethyl acetate (≥97%), ethyl 2-methylpropanoate (≥97%), ethyl butanoate (≥97%), ethyl 2-methylbutanoate (≥97%), 3-methylbutyl acetate (≥97%), 2-heptanone (≥97%), 3-methyl-1-butanol (≥97%), E-2-hexenal (≥97%), ethyl hexanoate (≥97%), ethyl 2-methylcrotonat (≥97%), 3,7-dimethyl-1,3,6-Octatriene (≥97%), phenyl ethylene (≥97%), ethyl 3-hexenoate (≥97%), 2-heptanol (≥97%), ethyl heptanoate (≥97%), ethyl E-2-hexenoate (≥97%), hexanol (≥97%), 2-nonanone (≥97%), nonanal (≥97%), etheyl Octanoat (≥97%), acetic Acid (≥97%), 2-nonanol (≥97%), benzaldehyde (≥97%), 2,6,6,10-tetramethyl-1-oxaspiro[4.5]dec-9-ene (≥97%), 2-undecanone (≥97%), caryophyllene (≥97%), butyric acid (≥97%), 3-methylbutanoic acid (≥97%), ethyl benzoate (≥97%), hexanoic acid (≥97%), α-ionone (≥97%), α-iononol (≥97%), E-3-hexenoic acid (≥97%), heptanoic acid (≥97%), octanoic acid (≥97%), ethyl cinnamate (≥97%), eugenol (≥97%), sucrose (99%), fructose (99%), glucose (99%), malic acid (99%), sodium chloride (≥ 99.5%), and a homologous series of alkanes (C6–C30) were purchased from Sigma-Aldrich (St. Louis, MO, USA). All of them were analytical reagents. Distilled water was purchased from Shanghai Titan Technology Co., Ltd. (Shanghai, China).