|
- Brand：Knowlux
- Model：Bottle/Drum/Customized to your needs
- Purity：98%+
- Cas：458-37-7
- Createtime： 2026-11-09
- Updatetime： 2026-11-03
| useage | Laboratory research，Food/nutraceutical industry (regulated forms only)，Cosmetics |
| deliveryInfo | |
| sample availble | yes |
| appearance | Orange-yellow crystalline powder |
| aliasen | |
| supplyCapacity | 10MT/Month |
| harbor | Hong Kong, Shanghai, Shenzhen |
| minorder | 1KG |
| Molecular Formula: | C21H20O6 |
Curcumin | CAS 458-37-7 | Polyphenol (Research Use Only) | Knowlux
Product Description
Curcumin, CAS 458-37-7, is a naturally occurring polyphenol and the principal curcuminoid found in turmeric (Curcuma longa). It is also known as diferuloylmethane or Natural Yellow 3. The molecular formula is C21H20O6 and the molecular weight is 368.38 g/mol. Each lot is released with a lot-specific COA, MSDS and full analytical traceability.
Product Parameters
| Item | Specification |
|---|---|
| Product Name | Curcumin |
| Synonyms | Diferuloylmethane; Natural Yellow 3; Turmeric yellow; (E,E)-1,7-Bis(4-hydroxy-3-methoxyphenyl)-1,6-heptadiene-3,5-dione |
| CAS No. | 458-37-7 |
| Molecular Formula | C21H20O6 |
| Molecular Weight | 368.38 g/mol |
| Appearance | Orange-yellow crystalline powder |
| Melting Point | 183 C |
| Solubility | Insoluble in water; soluble in ethanol, DMSO, acetone, and glacial acetic acid |
| Purity | >=98.0% (HPLC); >=99.0% available on request |
| Identity | Confirmed by HPLC and LC-MS |
| Grade | Research grade |
| Storage | -20 C, protected from light and moisture |
| HS Code | 3203.00.00 |
| Packaging | 10 g / 50 g / 100 g / 500 g / 1 kg foil bag or vial; bulk on request |
| MOQ | 10 g (research grade); 100 g (bulk) |
| Supply Ability | Gram to kilogram scale |
| Application | Laboratory research use only |
| Origin | China |
Product Details
1. Overview
Curcumin is the primary active curcuminoid in turmeric, a yellow pigment used historically as a food colorant and in traditional medicine. It belongs to the diarylheptanoid class of polyphenols and has been extensively studied in biochemistry and cell biology research. Knowlux supplies curcumin as a research-grade material for laboratory and analytical use; this supply is not intended for human consumption, therapeutic use, or food/supplement application.
2. Quality Control
| Test Item | Method |
|---|---|
| Purity | HPLC |
| Identity & molecular mass | LC-MS |
| Appearance | Visual |
| Moisture | Karl Fischer |
| Related substances | HPLC |
| Residual solvents | GC (on request) |
| Heavy metals | ICP-MS (on request) |
Full COA, MSDS, and lot-specific chromatograms are issued with each shipment.
3. Applications
-
Reference standard for analytical method development
-
In vitro polyphenol redox chemistry and stability studies
-
Research on NF-kB and inflammatory signalling pathways
-
LC-MS and biochemical assay calibrators
-
Food colorant research (formulation and stability studies)
4. Packaging, Storage & Shipping
Powder: amber glass vial or high-barrier foil bag under nitrogen headspace, sealed with tamper-evident closure. Secondary packing: light-protected carton with desiccant. Ambient or cold-chain shipping with temperature logger where required. COA, MSDS, packing list and certificate of origin issued with each shipment.
5. Documentation Support
Per lot: COA, MSDS, certificate of origin, residual solvent statement, heavy metal statement. Specification summaries and audit support available on a project basis.
About Knowlux
Knowlux Biotechnology is a GMP-oriented manufacturer and supplier of peptides, APIs and fine-chemical research compounds, operating from Hubei, China. We serve research groups, CDMOs and distributors in more than 40 countries, and support contract synthesis, custom packaging and technical documentation requests.
Compliance Statement
This product is supplied for laboratory research use only. It is not for human or animal administration, not for diagnostic or therapeutic use, not for retail sale, and not for personal use. Curcumin is approved as a food colorant in many jurisdictions (including China, under GB 1886.76) ; that regulatory status is separate from this research-grade supply and does not extend to the product as sold by Knowlux. Research context statements are for scientific reference only and do not constitute medical advice, promotional claims, or dosing guidance.
