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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 608Generated: November 4, 2026

5-(1,2-Dihydroxy-ethyl)-3,4-dihydroxy-dihydro-furan-2-one

NSC 25282 · Galactonolactone · L-Galactono-1,4-lactone · GAMMA-L-GALACTONOLACTONE · L(+)-GALACTONO-1,4-LACTONE · L(+)-GALACTONICACIDG-LACTONE · L-Galactono-1,4-lactone ,98% · L-GALACTONIC ACID GAMMA LACTONE

https://huagongshe.com/en/chemical/608

5-(1,2-Dihydroxy-ethyl)-3,4-dihydroxy-dihydro-furan-2-one molecular structure

Identifiers & Physical Properties

CAS No.1668-08-2
Molecular formulaC6H10O6
Average molar mass178.14 g/mol
Monoisotopic mass178.04773803 g/mol
SMILESO=C1OC(C(O)CO)C(O)C1O
InChIKeySXZYCXMUPBBULW-UHFFFAOYSA-N
PubChem CID608
ChEBICHEBI:5571

Chemical & Physical Properties

XLogP-2
Topological polar surface area107
Hydrogen bond donors4
Hydrogen bond acceptors6
Rotatable bonds2
Heavy atoms12
Formal charge0
Complexity181
Melting point134-136 °C
Boiling point467.9±18.0 °C(Predicted)
Density1.766±0.06 g/cm3(Predicted)
Storage conditionsSealed in dry,2-8°C
pKa (acidity coefficient)12.06±0.60(Predicted)
Physical statesolid
Colorwhite
optical activity[α]/D 78.0±3.0°, c = 1 in H2O
BRN83005
Cosmetics Ingredients FunctionsHUMECTANT
Cosmetic Ingredient Review (CIR)L-GALACTONO-1,4-LACTONE (1668-08-2)
InChI1S/C6H10O6/c7-1-2(8)5-3(9)4(10)6(11)12-5/h2-5,7-10H,1H2/t2-,3-,4-,5+/m0/s1
InChIKeySXZYCXMUPBBULW-NEEWWZBLSA-N
SMILESOC[C@H](O)[C@H]1OC(=O)[C@@H](O)[C@@H]1O || OC[C@H](O)[C@H]1OC(=O)[C@@H](O)[C@@H]1O
EWG's Food Scores1
FDA UNII58UBG0IB0R
UNSPSC Code12352201
NACRESNA.25
Safety statements (S)24/25
Water hazard class (WGK)3
Customs code29322090
Storage class11 - Combustible Solids

Safety & Regulations

Water hazard class (WGK)3
Customs code29322090
Safety statements (S)24/25
Storage class11 - Combustible Solids

Applications & Uses

Uses

L-Galactono-1,4-lactone is used as a substrate for the investigation of an L-Fucono-1,5-lactonase from cog3618 of amidohydrolase superfamily.