Molekula
DL-Pantolactone
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
DL-Pantolactone is a chiral lactone used in the synthesis of vitamin B5 (pantothenic acid) and other pharmaceutical intermediates. Manufacturers also use it as a starting material for making cosmetic ingredients, alongside its role in pharmaceutical synthesis. It appears as a white to off-white crystalline powder. CAS: 79-50-5, Molecular Formula: C6H10O3, Molecular Weight: 130.14 g/mol, Storage: Ambient, Signal Word: Warning. Molekula supplies DL-Pantolactone from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
In stock — same-day dispatch
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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25 g — £35.30 per pack ex VAT · £42.36 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Light yellow solid |
| Melting Point | 74 - 78°C |
| Assay | ≥96% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 122 °C |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Vapour Pressure | 0.06 mmHg |
Source: PubChem CID 989 (Haz-Map)
Identification
| Property | Value |
|---|---|
| SKU | 90026997 |
| CAS Number | 79-50-5 |
| IUPAC Name | 3-hydroxy-4,4-dimethyloxolan-2-one |
| EC Number | 201-210-7 |
| Molecular Formula | C6H10O3 |
| Molecular Weight | 130.14 |
| Exact Mass | 130.063 |
| SMILES | CC1(COC(=O)C1O)C |
| InChIKey | SERHXTVXHNVDKA-UHFFFAOYSA-N |
| InChI | InChI=1S/C6H10O3/c1-6(2)3-9-5(8)4(6)7/h4,7H,3H2,1-2H3 |
| PubChem CID | 989 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 2932.20.50.50 |
| Tariff Code | 29322090900 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
Synonyms
- (+-)-Pantolactone
- (D)-Pantolactone
- 2(3H)-Furanone, dihydro-3-hydroxy-4,4-dimethyl-
- 3-hydroxy-4,4-dimethyl-tetrahydrofuran-2-one
- 3-hydroxy-4,4-dimethyldihydrofuran-2(3H)-one
- 3-Hydroxy-4,4-dimethyldihydrofuran-2(3H)-one (DL-Pantolactone)
- 3-hydroxy-4,4-dimethyloxolan-2-one
- Dihydro-3-hydroxy-4,4-dimethyl-2(3H)-furanone
- DL-Pantoyl Lactone
- Pantolyl lactone
Frequently asked questions
What is DL-Pantolactone used for?
DL-Pantolactone is primarily used as an intermediate in the synthesis of vitamin B5 (pantothenic acid) and other pharmaceuticals.
What is the chemical formula and molecular weight of DL-Pantolactone?
The formula is C6H10O3 with a molecular weight of 130.14 g/mol.
How should DL-Pantolactone be stored?
It should be stored at ambient temperature, protected from moisture and light.
What grade of DL-Pantolactone does Molekula supply?
Molekula supplies DL-Pantolactone in technical grade; custom grades are available upon request.
Can Molekula supply DL-Pantolactone in bulk?
Yes, Molekula can supply DL-Pantolactone in bulk quantities; please contact sales for pricing and availability.
What documentation comes with a DL-Pantolactone order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation is available upon request.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.