D-(−)-Pantolactone, 99%

Name: D-(−)-Pantolactone, 99%
Brand: Vaqora Chemicals
SKU: VQ-008732

About D-(−)-Pantolactone, 99%

Listed under CAS 599-04-2, D-(−)-Pantolactone is an ester available from Vaqora Chemicals, specified at 99% purity. Formula C6H10O3, molecular weight 130.14 g/mol. Its systematic (IUPAC) name is (3R)-3-hydroxy-4,4-dimethyloxolan-2-one. It is also known as (R)-(−)-Pantolactone or Pantoic acid γ-lactone.

The product is provided as a solid. Key physical data: a melting point of 91 °C and a boiling point of 120-122 °C. Store in a tightly closed container in a cool, dry and well-ventilated place. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

Typical applications include organic synthesis and API synthesis. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies D-(−)-Pantolactone in 5 g and 25 g packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	D-(−)-Pantolactone, 99%
Catalogue No.	VQ-008732
CAS Number	599-04-2
IUPAC name	(3R)-3-hydroxy-4,4-dimethyloxolan-2-one
Molecular formula	C₆H₁₀O₃
Molecular weight	130.14 g/mol
Exact mass	130.063
Purity / assay	99%
HSN code	29420090
InChIKey	SERHXTVXHNVDKA-BYPYZUCNSA-N
SMILES	CC1(COC(=O)[C@@H]1O)C
PubChem CID	439368

Physical properties
Physical form	Solid
Appearance	Solid
Melting point	91 °C
Boiling point	120-122 °C
LogP (XLogP3)	0.5
H-bond donors / acceptors	1 / 3
TPSA	46.5 Å²
Synonyms	(R)-(−)-α-Hydroxy-β,β-dimethyl-γ-butyrolactone, (R)-(−)-β,β-Dimethyl-α-hydroxy-γ-butyrolactone, (R)-(−)-Pantolactone, Pantoic acid γ-lactone, D-(-)-Pantolactone, D-Pantolactone, (R)-pantolactone, pantoyl lactone, (R)-Pantoyl lactone, 2(3H)-Furanone, dihydro-3-hydroxy-4,4-dimethyl-, (3R)-, (3R)-dihydro-3-hydroxy-4,4-dimethyl-2(3H)-furanone, (3R)-4,4-dimethyl-3-oxidanyl-oxolan-2-one

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H319Causes serious eye irritation

Precautionary statements: P264 + P265, P280, P305 + P351 + P338, P337 + P317

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of D-(−)-Pantolactone, 99%?

The CAS Registry Number of D-(−)-Pantolactone, 99% is 599-04-2. It is also known as (R)-(−)-α-Hydroxy-β,β-dimethyl-γ-butyrolactone, (R)-(−)-β,β-Dimethyl-α-hydroxy-γ-butyrolactone, (R)-(−)-Pantolactone.

What is the molecular formula and molecular weight of D-(−)-Pantolactone, 99%?

D-(−)-Pantolactone, 99% has the molecular formula C6H10O3 and a molecular weight of 130.14 g/mol. Its IUPAC name is (3R)-3-hydroxy-4,4-dimethyloxolan-2-one.

Which grade and pack sizes of D-(−)-Pantolactone, 99% can I order?

We supply D-(−)-Pantolactone, 99% in (99%) grade, in 5 g, 25 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with D-(−)-Pantolactone, 99%?

Yes. Every lot of D-(−)-Pantolactone, 99% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can D-(−)-Pantolactone, 99% be shipped internationally?

Yes. D-(−)-Pantolactone, 99% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.