Molekula
Esculin
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Esculin is a natural coumarin glycoside used in biochemical research and as a fluorescent probe in analytical chemistry. It is commonly employed in assays involving enzyme activity and microbial identification. Available in powder form with a purity of ≥98%, it has a CAS number of 531-75-9, molecular formula C15H16O9, and molecular weight of 340.28 g/mol. Stored at ambient temperature, it requires no special handling. Molekula supplies Esculin 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
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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
Specifications available on request — see Documents below or contact our sales team.
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Melting Point | 205 °C |
Source: PubChem CID 5281417 (Human Metabolome Database (HMDB))
Identification
| Property | Value |
|---|---|
| SKU | 90027731 |
| CAS Number | 531-75-9 |
| IUPAC Name | 7-hydroxy-6-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxychromen-2-one |
| EC Number | 208-517-5 |
| Molecular Formula | C15H16O9 |
| Molecular Weight | 340.28 |
| Exact Mass | 340.0794 |
| SMILES | C1=CC(=O)OC2=CC(=C(C=C21)O[C@H]3[C@@H]([C@H]([C@@H]([C@H](O3)CO)O)O)O)O |
| InChIKey | XHCADAYNFIFUHF-TVKJYDDYSA-N |
| InChI | InChI=1S/C15H16O9/c16-5-10-12(19)13(20)14(21)15(24-10)23-9-3-6-1-2-11(18)22-8(6)4-7(9)17/h1-4,10,12-17,19-21H,5H2/t10-,12-,13+,14-,15-/m1/s1 |
| PubChem CID | 5281417 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 29389000 |
| Tariff Code | 2938909090 |
Safety & GHS
Precautionary statements
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
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.
Synonyms
- 2H-1-Benzopyran-2-one, 6-(beta-D-glucopyranosyloxy)-7-hydroxy-
- 6-(beta-D-Glucopyranosyloxy)-7-hydroxy-cumarin
- 6,7-Dihydroxycoumarin 6-glucoside
- 6,7-Dihydroxycoumarin-6-O-glucoside
- 7-hydroxy-2-oxo-2H-chromen-6-yl beta-D-glucopyranoside
- 7-Hydroxy-6-cumarinyl-glucosid
- aesculin
- Bicolorin
- Esculetin 6-beta-D-glucoside
- Esculetin 6-O-glucoside
Frequently asked questions
What is esculin primarily used for?
Esculin is commonly used in microbiology as a selective agent in culture media (e.g., for differentiating *Enterococcus* species) and in biochemical research for detecting β-glucosidase activity.
What is the chemical formula and molecular weight of esculin?
The molecular formula is **C₁₅H₁₆O₉**, and the molecular weight is **340.28 g/mol**.
How should esculin be stored?
Store esculin at **ambient temperature** in a dry, well-ventilated area, away from strong oxidizing agents.
What grades of esculin does Molekula supply?
Molekula supplies esculin in **analytical and reagent-grade purity**, suitable for laboratory and research applications.
Can Molekula supply esculin in bulk quantities?
Yes, esculin is available in bulk quantities upon request—contact our sales team for custom packaging options.
What documentation comes with an esculin order?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and a product specification sheet.
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.