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Abstract
Bisdesmethoxycurcumin (CAS 33171-05-0) is a naturally occurring curcuminoid and one of the three principal bioactive compounds found in Curcuma longa (turmeric). Structurally, it is the fully demethoxylated analog of curcumin, retaining the diarylheptanoid backbone while exhibiting distinct chemical behavior due to the absence of methoxy groups. This compound contributes to the characteristic pigmentation and bioactivity of turmeric extracts.
Bisdesmethoxycurcumin demonstrates significant anti-inflammatory and antioxidant properties, making it a valuable standard in the analysis of turmeric-derived products. It modulates key molecular targets such as NF-κB and COX-2, and has been studied for its role in cellular redox regulation, apoptosis induction, and epigenetic modulation. Its unique structure offers complementary insights when studied alongside curcumin and desmethoxycurcumin.
Planta Analytica supplies high-purity bisdesmethoxycurcumin as part of its curated collection of curcuminoid reference standards. This product supports advanced applications in natural product research, phytochemical profiling, and quality control of botanical supplements and extracts. Companion standards including curcumin and desmethoxycurcumin are also available for comprehensive curcuminoid analysis and can be found here.
Compound Details
| CAS | 33171-05-0 |
|---|---|
| Molecular Weight | 308.3 |
| Chemical Formula | C19H16O4 |
| IUPAC | (1E,6E)-1,7-bis(4-hydroxyphenyl)hepta-1,6-diene-3,5-dione |
| Synonyms | Curcumin III |
| SMILES | COC1=C(C=CC(=C1)/C=C/C(=O)CC(=O)/C=C/C2=CC=C(C=C2)O)O |
| Storage Temperature | Below -18 degrees C |
| Storage Conditions | Dry, freezer |
Product Use Disclaimer
Products are sold as laboratory reference materials, to be used for diagnostic and in vivo testing. The samples are not certified for veterinary or human use.Â
$5.85 - $8.25 / milligram
| Range (milligram) | Price ($/milligram) |
|---|---|
| 20 - 49 milligram | $8.25 / milligram |
| 50 - 249 milligram | $7.35 / milligram |
| 250 - 499 milligram | $6.40 / milligram |
| 500 - 1000 milligram | $5.85 / milligram |
Technical Support
Product information is from published literature. Due to the nature of scientific experimentation, results or specific product application may vary (e.g., selectivity, detector response). If you have questions about the product, its application, and associated analytics, please contact our technical support team.



