Date published: 2025-12-18

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Carnosol (CAS 5957-80-2)

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Alternate Names:
1,3,4,9,10,10aS-hexahydro-5,6-dihydroxy-1,1-dimethyl-7-isopropyl-2H-9S,4aR-(epoxymethano)phenanthren-12-one
Application:
Carnosol is a phytopolyphenol found in Rosemary that functions as an antioxidant, antimicrobial, & anticarcinogen
CAS Number:
5957-80-2
Purity:
>96%
Molecular Weight:
330.42
Molecular Formula:
C20H26O4
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Carnosol is a naturally occurring phytopolyphenol found in rosemary that functions as an antioxidant, antimicrobial, and anticarcinogen. It may act to inhibit inductions of COX-2 by blocking PKC signaling. It is also an inhibitor of AR and ER alpha.


Carnosol (CAS 5957-80-2) References

  1. Retinoids and carnosol suppress cyclooxygenase-2 transcription by CREB-binding protein/p300-dependent and -independent mechanisms.  |  Subbaramaiah, K., et al. 2002. Cancer Res. 62: 2522-30. PMID: 11980644
  2. Carnosol, an antioxidant in rosemary, suppresses inducible nitric oxide synthase through down-regulating nuclear factor-kappaB in mouse macrophages.  |  Lo, AH., et al. 2002. Carcinogenesis. 23: 983-91. PMID: 12082020
  3. Antioxidant and pro-oxidant properties of active rosemary constituents: carnosol and carnosic acid.  |  Aruoma, OI., et al. 1992. Xenobiotica. 22: 257-68. PMID: 1378672
  4. Direct determination of carnosic acid in a new active packaging based on natural extract of rosemary.  |  Bentayeb, K., et al. 2007. Anal Bioanal Chem. 389: 1989-96. PMID: 17938896
  5. Carnosol: a promising anti-cancer and anti-inflammatory agent.  |  Johnson, JJ. 2011. Cancer Lett. 305: 1-7. PMID: 21382660
  6. Screening of natural compounds as activators of the keap1-nrf2 pathway.  |  Wu, KC., et al. 2014. Planta Med. 80: 97-104. PMID: 24310212
  7. Effect of different format-solvent rosemary extracts (Rosmarinus officinalis) on frozen chicken nuggets quality.  |  Rocío Teruel, M., et al. 2015. Food Chem. 172: 40-6. PMID: 25442521
  8. An In Vitro Comparative Study of Shear Bond Strength of Composite Resin to Bleached Enamel using Synthetic and Herbal Antioxidants.  |  Suneetha, R., et al. 2014. J Int Oral Health. 6: 77-81. PMID: 25628489
  9. Profiling of antioxidative enzyme expression induced by various food components using targeted proteome analysis.  |  Bartenbacher, S., et al. 2017. Mol Nutr Food Res. 61: PMID: 28317313
  10. Carnosic Acid and Carnosol, Two Major Antioxidants of Rosemary, Act through Different Mechanisms.  |  Loussouarn, M., et al. 2017. Plant Physiol. 175: 1381-1394. PMID: 28916593
  11. Carnosol Improved Lifespan and Healthspan by Promoting Antioxidant Capacity in Caenorhabditis elegans.  |  Lin, C., et al. 2019. Oxid Med Cell Longev. 2019: 5958043. PMID: 31341531
  12. In vitro and in silico anticancer evaluation of a medicinal mushroom, Ganoderma neo-japonicum Imazeki, against human colonic carcinoma cells.  |  Lau, MF., et al. 2021. Biotechnol Appl Biochem. 68: 902-917. PMID: 32856730
  13. Anticancer Properties of Carnosol: A Summary of in Vitro and In Vivo Evidence.  |  O'Neill, EJ., et al. 2020. Antioxidants (Basel). 9: PMID: 33049974
  14. Carnosol attenuates bleomycin-induced lung damage via suppressing fibrosis, oxidative stress and inflammation in rats.  |  Kalantar, H., et al. 2021. Life Sci. 287: 120059. PMID: 34728227
  15. FOXD1-mTOR Signaling Pathway on Oral Squamous Cell Carcinoma and Its Inhibition by Rosemary Extract (Invitro-Study).  |  Alaa El-Din, Y., et al. 2022. Asian Pac J Cancer Prev. 23: 3071-3081. PMID: 36172670
  16. Carnosol inhibits cerebral ischemia-reperfusion injury by promoting AMPK activation.  |  Xiao, WC., et al. 2023. Brain Res Bull. 195: 37-46. PMID: 36775042
  17. Inhibition of skin tumorigenesis by rosemary and its constituents carnosol and ursolic acid.  |  Huang, MT., et al. 1994. Cancer Res. 54: 701-8. PMID: 8306331

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Carnosol, 1 mg

sc-204672
1 mg
$85.00

Carnosol, 5 mg

sc-204672A
5 mg
$340.00

Carnosol, 10 mg

sc-204672B
10 mg
$590.00

Carnosol, 50 mg

sc-204672C
50 mg
$2595.00