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  • H1267 - 22(S),23(S)-Homobrassinolide

H1267 Sigma-Aldrich


  • CAS Number 80483-89-2

  • Empirical Formula (Hill Notation) C29H50O6

  • Molecular Weight 494.70

  •  MDL number MFCD04973608

  •  PubChem Substance ID 24895446

  •  NACRES NA.77



Related Categories Bioactive Small Molecule Alphabetical Index, Bioactive Small Molecules, Cell Biology, H, Miscellaneous Plant Growth Regulators,
Featured Industry   Agriculture
Quality Level   100
SMILES string   CC[C@@H](C(C)C)[C@H](O)[C@@H](O)[C@@H](C)[C@H]1CC[C@H]2[C@@H]3COC(=O)[C@H]4C[C@H](O)[C@H](O)C[C@]4(C)[C@H]3CC[C@]12C
InChI   1S/C29H50O6/c1-7-17(15(2)3)26(33)25(32)16(4)19-8-9-20-18-14-35-27(34)22-12-23(30)24(31)13-29(22,6)21(18)10-11-28(19,20)5/h15-26,30-33H,7-14H2,1-6H3/t16-,17-,18-,19+,20-,21-,22+,23-,24+,25-,26-,28+,29+/m0/s1



22(S),23(S)-Homobrassinolide has been used as a brassinosteroid supplement:
• to study its effects on DNA methylation, callus growth and regeneration in barley.
• to study its effects on cell elongation in Arabidopsis thaliana.
• to study its effects on cell division, root germination and anti-oxidant system enzymes in barley.


1 mg in glass insert

Biochem/physiol Actions

22(S),23(S)-Homobrassinolide is a brassinosteroid. It might play a role in the control of plant embryogenesis.

Safety & Documentation

Safety Information

Personal Protective Equipment 
NONH for all modes of transport
WGK Germany 
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable


Certificate of Analysis (COA)

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Certificate of Origin (COO)

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Frequently Asked Questions

Which document(s) contains shelf-life or expiration date information for a given product?
If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.
How do I get lot-specific information or a Certificate of Analysis?
The lot specific COA document can be found by entering the lot number above under the "Documents" section.
How do I find price and availability?
There are several ways to find pricing and availability for our products. Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote. USA customers: 1-800-325-3010 or view local office numbers.
What is the Department of Transportation shipping information for this product?
Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.
What is the solubility of Product No. H1267, 22(S),23(S)-Homobrassinolide?
Product No. H1267, 22(S),23(S)-Homobrassinolide is soluble in chloroform at 10 mg/ml.For use with cells, ethanol or DMSO is recommended at a concentration between 1-5 mg/ml.
Which form of the Product No. H1267, 22(S), 23(S)-Homobrassinolide do we offer?
Sigma-Aldrich offers two biologically active analogs, Product No. H1267, 22(S), 23(S)-Homobrassinolide and Product No. E1641; 24-Epibrassinolide.
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