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Impurities and reference standards

(±)-Pantolactone

Also known as (+-)-Pantolactone, DL-Pantolactone, 3-hydroxy-4,4-dimethyldihydrofuran-2(3H)-one

CAS 79-50-5Formula C6H10O3Molar mass 130.14 g/molEC 201-210-7
GHS signal word: Warning. Pictograms: Harmful or irritant 17 suppliers listed
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(±)-Pantolactone chemical structure, C6H10O3, CAS 79-50-5
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
79-50-5
Formula
C6H10O3
Molar mass
130.14 g/mol
EC number
201-210-7
HS code
293220
Category
Impurities and reference standards

What is (±)-Pantolactone?

Plain description, key identifiers and synonyms

DL-Pantolactone is a gamma-lactone.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
3-hydroxy-4,4-dimethyloxolan-2-one
CAS number
79-50-5 CAS number cross-checkedOther or deprecated CAS: 52126-90-6
EC number
201-210-7
Molecular formula
C6H10O3
UNII
IID733HD2M
MDL number
MFCD00064333
InChIKey
SERHXTVXHNVDKA-UHFFFAOYSA-N
InChI
InChI=1S/C6H10O3/c1-6(2)3-9-5(8)4(6)7/h4,7H,3H2,1-2H3
SMILES (canonical and isomeric)
CC1(COC(=O)C1O)C

Synonyms

  • (+-)-Pantolactone
  • DL-Pantolactone
  • 3-hydroxy-4,4-dimethyldihydrofuran-2(3H)-one
  • 3-hydroxy-4,4-dimethyloxolan-2-one
  • DL-Pantoyl Lactone
  • 2(3H)-Furanone, dihydro-3-hydroxy-4,4-dimethyl-
  • Dihydro-3-hydroxy-4,4-dimethyl-2(3H)-furanone
  • D,L-Pantolactone
  • (+/-)-pantolactone
  • 3-hydroxy-4,4-dimethyl-tetrahydrofuran-2-one
  • (+/-)-Dihydro-3-hydroxy-4,4-dimethyl-2(3H)-furanone
  • Pantolyl lactone
  • (D)-Pantolactone
  • 3-Hydroxy-4,4-dimethyldihydrofuran-2(3H)-one (DL-Pantolactone)
  • D-(?)-Pantolactone
  • (rs)-pantolactone
  • D-(-)-Pantolyl lactone
  • Pantoic acid gamma-lactone
  • D-(-)-Pantoic acid lactone
  • 2(3H)-Furanone, dihydro-3-hydroxy-4,4-dimethyl-, (R)-
  • D -Pantolactone
  • alpha-hydroxy-beta
  • D,L-Pantolactone, DL-Pantolactone, (+/-)-Dihydro-3-hydroxy-4,4-dimethyl-2(3H)-furanone, Calcium Pantothenate Impurity C
  • D-(-)-Pantanolactone
  • alpha-Hydroxy-beta,beta-dimethyl-gamma-butyrolactone
Show all 37 synonyms
  • D(-)-2-Hydroxy-3,3-dimethyl-gamma-butyrolactone
  • DL-2-Hydroxy-3,3-dimethyl-gamma-butyrolactone
  • Pantolactone DL-Form
  • 2(3H)-Furanone, dihydro-3-hydroxy-4,4-dimethyl-, D-(-)-
  • 3-Hydroxy-4,4-dimethyldihydro-2(3H)-furanone-, D-(-)- #
  • D-(-)-Pantoyllactone
  • D-(-)-alphaHydroxy-beta,beta-dimethyl-gamma-butyrolactone
  • Pantolactone, (+-)-
  • (+-)-dihydro-3-hydroxy-4,4-dimethylfuran-2(3H)-one
  • (+/-)-Pantoyl lactone
  • Pantolactone, (+/-)-
  • DL-Pantoyl lactone, 75% soln

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
130.14 g/molcalc.
Exact mass
130.063 Dacalc.
LogP (octanol/water)
-0.07calc.
Topological polar surface area
46.53 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
0calc.
Heavy atoms
9calc.
Rings
1calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.83calc.
Formal charge
0calc.
Stereocentres
1calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, O=C1CCCO1

O=C1CCCO1

1 ring, 6 atoms, the gamma-Butyrolactone ring system.

1,692 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H319Causes serious eye irritation.
Precautionary statements (4)
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P337 + P317If eye irritation persists: Get medical help.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

(±)-Pantolactone suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 17 suppliers
17 of 17 offers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

17 suppliers in 9 countries

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(±)-Pantolactone price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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Uses and applications

What the substance is used for, by industry and function

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

Regulatory status

Inventories, regulations and trade controls that list this substance

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code (±)-Pantolactone is traded under.

HS 2932.20Indicative HS code

Lactones

World exports in 2024
$1.97B
−4.7% vs 2023, imports $2.07B
2019 to 2024
Top exporters
  1. China56.3%
  2. India * partner reported7.4%
  3. Germany7.3%
Top importers
  1. United States14.2%
  2. India * partner reported13.5%
  3. Brazil8.5%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for (±)-Pantolactone is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about (±)-Pantolactone, based on the data on this page

What is (±)-Pantolactone?

DL-Pantolactone is a gamma-lactone.

What is the CAS number of (±)-Pantolactone?

The CAS registry number of (±)-Pantolactone is 79-50-5. Other or deprecated CAS numbers: 52126-90-6.

What is the molecular formula and weight of (±)-Pantolactone?

The molecular formula of (±)-Pantolactone is C6H10O3 and its molar mass is 130.14 g/mol.

Is (±)-Pantolactone hazardous?

(±)-Pantolactone carries the GHS signal word "Warning". Main hazards: causes serious eye irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of (±)-Pantolactone?

(±)-Pantolactone is usually classified under HS code 293220 (Lactones). This is indicative, confirm it with your customs broker before shipping.

Where can I buy (±)-Pantolactone?

CompoundList lists 17 suppliers of (±)-Pantolactone in China, United States, Canada, Czech Republic and 5 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy (±)-Pantolactone in India?

1 supplier in India list (±)-Pantolactone on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of (±)-Pantolactone?

Suppliers quote (±)-Pantolactone on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle (±)-Pantolactone

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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