C6H10O3
130.14 g/mol
Pharmaceutical IntermediateWarning
D-(-)-Pantolactone
CAS599-04-2EC209-963-3
Category
Pharmaceutical Intermediate
Compound Class
Alcohol
Primary Use
Pharmaceutical Intermediate
D-(-)-Pantolactone is a chiral butyrolactone compound that serves as a key synthetic intermediate in the production of pantothenic acid (vitamin B5). It is also naturally occurring as a metabolite in Saccharomyces cerevisiae.
Synthetic intermediate for pantothenic acidResearch compound for biochemical studies
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
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CAS60010-03-9
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Referencestereoisomer of
Pantolactone
CAS79-50-5
pharmaceutical intermediate
Safety Reference
Warning
H319Causes serious eye irritation
Customs Tariff Classification
The international HS code for D-(-)-Pantolactone (CAS 599-04-2) is 2932.20.
HS code (international, 6-digit)
2932.20
EU CN code (8-digit)
2932 20 90
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
(3R)-3-hydroxy-4,4-dimethyloxolan-2-one
InChIKey
SERHXTVXHNVDKA-BYPYZUCNSA-N
SMILES
CC1(COC(=O)[C@@H]1O)C
Synonyms (45)
- Pantolactone, United States Pharmacopeia (USP)
- (R)-Pantoyl lactone
- (R)-pantolactone
- D-(-)-Pantoic acid lactone
- D-(-)-Pantolactone
- D-(-)-Pantolyl lactone
- D-(-)-Pantoyl Lactone
- DEXPANTHENOL IMPURITY C
- Dexpanthenol Lactone Impurity
- PANTOLACTONE, (-)-
- PANTOLACTONE, R-ISOMER
- Pantoic acid gamma-lactone
- Pantolactone (Standard)
- Pantolactone CRS
- Pantolactone, (R)-
- Pantolyl lactone
- Pantothenic lactone
- pantoyl lactone
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