(S)-(+)-Pantolactone

Also known as: (3S)-3-Hydroxy-4,4-dimethyldihydro-2(3H)-furanone, (3S)-3-hydroxy-4,4-dimethyloxolan-2-one, (3S)-Dihydro-3-hydroxy-4,4-dimethyl-2(3H)-furanone, (S)-(+)-Dihydro-3-hydroxy-4,4-dimethyl-2(3H)-furanone, (S)-(+)-Pantolactone, (S)-3-Hydroxy-4,4-dimethyl-dihydro-furan-2-one, (S)-3-Hydroxy-4,4-dimethyldihydrofuran-2(3H)-one, (S)-Dihydro-3-hydroxy-4,4-dimethyl-2(3H)-furanone, (S)-Dihydro-3-hydroxy-4,4-dimethyl-2(3H)-furanone, 2(3H)-Furanone, dihydro-3-hydroxy-4,4-dimethyl-, (3S)-, L-(+)-2-Hydroxy-3,3-dimethyl-gamma-butyrolactone, L-(+)-Pantoyl lactone, L-(+)-Pantolactone, L-Pantolactone, MFCD00216625, S(+)-2-Hydroxy-3,3-dimethyl-gamma-butyrolactone, S(+)-3,3-Dimethyl-2-hydroxy-gamma-butyrolactone, S-Pantolactone, T5OVTJ CQ D1 D1 &&S Form

(S)-(+)-Pantolactone (CAS 5405-40-3) is a compound in the Esters category listed in the Jingsj chemical database. It has the molecular formula C6H10O3 and a molecular weight of 130.142 g/mol. Key properties include a melting point of 90-94ºC, a boiling point of 224.6±0.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 99.0±13.2 °C. It is classified under GHS with signal word Danger and hazard statements H318 — Causes serious eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

5405-40-3

Jingsj CID

J-1381855-1

Molecular Formula

C₆H₁₀O₃

Molecular Weight

130.142 g/mol

Category

Esters

Last updated

8/21/2026