Molekula
Quercetin
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
Quercetin is a naturally occurring flavonoid with antioxidant and anti-inflammatory properties, commonly used in dietary supplements and pharmaceutical research. It also serves as an antioxidant additive that protects cosmetic formulations from UV-induced oxidative damage, and has been used in dye manufacture. It is available in powder form with a purity of ≥98% (HPLC). CAS: 117-39-5, Molecular Formula: C15H10O7, Molecular Weight: 302.24 g/mol. Store at ambient temperature. Signal word: Danger. Molekula supplies Quercetin 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
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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1 g — £30.90 per pack ex VAT · £37.08 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 | Yellow powder |
| Ash | 3% max |
| Heavy metals | 10 ppm max |
| Total plate count | 1000 cfu/g max |
| Salmonella | Negative |
| Loss on Drying | 5.0% max |
| Assay | 98% min(UV) |
| Mesh size | 100% pass 80 mesh |
| Cadmium (Cd) | 1ppm max |
| Lead (Pb) | 3ppm max |
| Arsenic (As) | 2ppm max |
| E. Coli | Negative |
| Mould & Yeast | 100 cfu/g max |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 248 °C |
| Transport Class | 6.1 |
| Packing Group | III |
| Acidity | Neutral |
For research use only. Not for human use.
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Melting Point | 316.5 °C |
| Water Solubility | 60 mg/L at 16 °C |
| Solubility (other solvents) | Very soluble in ether, methanol; soluble in ethanol, acetone, pyridine, acetic acid |
Source: PubChem CID 5280343 (DrugBank, HSDB)
Identification
| Property | Value |
|---|---|
| SKU | 86015335 |
| CAS Number | 117-39-5 |
| IUPAC Name | 2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxychromen-4-one |
| EC Number | 204-187-1 |
| Molecular Formula | C15H10O7 |
| Molecular Weight | 302.24 |
| Exact Mass | 302.0427 |
| SMILES | C1=CC(=C(C=C1C2=C(C(=O)C3=C(C=C(C=C3O2)O)O)O)O)O |
| InChIKey | REFJWTPEDVJJIY-UHFFFAOYSA-N |
| InChI | InChI=1S/C15H10O7/c16-7-4-10(19)12-11(5-7)22-15(14(21)13(12)20)6-1-2-8(17)9(18)3-6/h1-5,16-19,21H |
| PubChem CID | 5280343 |
| UN Number | UN2811 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| Tariff Code | 2932990090 |
Safety & GHS
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Toxic
GHS06
Hazard statements
- H301 Toxic if swallowed
- H361 Suspected of damaging fertility or the unborn child
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P263 Avoid contact during pregnancy/while nursing
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P302+352 IF ON SKIN: Wash with soap and water
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Russian, 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.
Synonyms
- 2-(3,4-Dihydroxyphenyl)-3,5,7-trihydroxy-4H-chromen-4-one
- 3,3',4',5,7-Pentahydroxyflavone
- Meletin
- Quercetine
- Quercetol
- Quercitin
- Quertin
- Quertine
- Sophoretin
- Xanthaurine
Frequently asked questions
What is quercetin used for?
Quercetin is a flavonoid used in dietary supplements for its antioxidant properties and potential anti-inflammatory effects.
What is the chemical formula and molecular weight of quercetin?
The chemical formula is C15H10O7, and the molecular weight is 302.24 g/mol.
How should quercetin be stored?
Quercetin should be stored at ambient temperature, protected from moisture and light.
What grade of quercetin does Molekula supply?
Molekula supplies quercetin in research-grade purity, suitable for laboratory use.
Can Molekula supply quercetin in bulk?
Yes, Molekula can supply quercetin in bulk quantities—please contact sales for pricing and availability.
What documentation comes with a quercetin order?
Each order includes a Certificate of Analysis (CoA) and safety data sheet (SDS) with the shipment.
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.