29IPH2W8KP 39638-67-0 5-Butyl-4-methyldihydro-2(3H)-furanone, trans- UNII-29IPH2W8KP FEMA No. 3803, trans- (+/-)-trans-Whiskey lactone 2(3H)-Furanone, 5-butyldihydro-4-methyl-, (4R,5S)-rel- 2(3H)-Furanone, 5-butyldihydro-4-methyl-, trans- trans-beta-Methyl-gamma-octalactone trans-3-Methyl-4-octanolide trans-4-Hydroxy-3-methyloctanoic acid gamma-lactone trans-Oaklactone trans-Whiskey lactone Whiskey lactone, (E)- CAS 39638-67-0

Purity 97%+In StockPharmaceutical Standards
CAS No.39638-67-0
Molecular FormulaC9H16O2
Molecular Weight156.22 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

29IPH2W8KP 39638-67-0 5-Butyl-4-methyldihydro-2(3H)-furanone, trans- UNII-29IPH2W8KP FEMA No. 3803, trans- (+/-)-trans-Whiskey lactone 2(3H)-Furanone, 5-butyldihydro-4-methyl-, (4R,5S)-rel- 2(3H)-Furanone, 5-butyldihydro-4-methyl-, trans- trans-beta-Methyl-gamma-octalactone trans-3-Methyl-4-octanolide trans-4-Hydroxy-3-methyloctanoic acid gamma-lactone trans-Oaklactone trans-Whiskey lactone Whiskey lactone, (E)- CAS 39638-67-0 chemical structure

Description

The occurrence of 29IPH2W8KP 39638-67-0 5-Butyl-4-methyldihydro-2(3H)-furanone, trans- UNII-29IPH2W8KP FEMA No. 3803, trans- (+/-)-trans-Whiskey lactone 2(3H)-Furanone, 5-butyldihydro-4-methyl-, (4R,5S)-rel- 2(3H)-Furanone, 5-butyldihydro-4-methyl-, trans- trans-beta-Methyl-gamma-octalactone trans-3-Methyl-4-octanolide trans-4-Hydroxy-3-methyloctanoic acid gamma-lactone trans-Oaklactone trans-Whiskey lactone Whiskey lactone, (E)- is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

29IPH2W8KP 39638-67-0 5-Butyl-4-methyldihydro-2(3H)-furanone, trans- UNII-29IPH2W8KP FEMA No. 3803, trans- (+/-)-trans-Whiskey lactone 2(3H)-Furanone, 5-butyldihydro-4-methyl-, (4R,5S)-rel- 2(3H)-Furanone, 5-butyldihydro-4-methyl-, trans- trans-beta-Methyl-gamma-octalactone trans-3-Methyl-4-octanolide trans-4-Hydroxy-3-methyloctanoic acid gamma-lactone trans-Oaklactone trans-Whiskey lactone Whiskey lactone, (E)- (CAS 39638-67-0) is a high-purity analytical reference standard with the molecular formula C9H16O2 and a molecular weight of 156.22 g/mol.

Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, 29IPH2W8KP 39638-67-0 5-Butyl-4-methyldihydro-2(3H)-furanone, trans- UNII-29IPH2W8KP FEMA No. 3803, trans- (+/-)-trans-Whiskey lactone 2(3H)-Furanone, 5-butyldihydro-4-methyl-, (4R,5S)-rel- 2(3H)-Furanone, 5-butyldihydro-4-methyl-, trans- trans-beta-Methyl-gamma-octalactone trans-3-Methyl-4-octanolide trans-4-Hydroxy-3-methyloctanoic acid gamma-lactone trans-Oaklactone trans-Whiskey lactone Whiskey lactone, (E)- is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 156.22 g/mol — guide the selection of appropriate sample preparation and analytical techniques.

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

Molecular FormulaC9H16O2
Molecular Weight156.22 g/mol
Purity97%+
StorageStore at 2-8°C
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityStable under recommended storage conditions
Degree of Unsaturation (DBE)2.0
CAS Registry Year (est.)1968

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