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Key Documents

B1439

Sigma-Aldrich

Brassinolide

≥80% (TLC)

Synonym(s):

(1R,3aS,3bS,6aS,8S,9R,10aR,10bS,12aS)-1-[(1S,2R,3R,4S)-2,3-Dihydroxy-1,4,5-trimethylhexyl]hexadecahydro-8,9-dihydroxy-10a,12a-dimethyl-6H-benz[c]indeno[5,4-e]oxepin-6-one, (2a,3a,5a,22R,23R,24S)-2,3,22,23-Tetrahydroxy-B-homo-7-oxaergostan-6-one

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About This Item

Empirical Formula (Hill Notation):
C28H48O6
Molecular Weight:
480.68
UNSPSC Code:
10171502
NACRES:
NA.25

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Assay

≥80% (TLC)

form

powder

color

white to off-white

storage temp.

room temp

General description

Brassinolide is a plant growth hormone and the most biologically active brassinosteroid (BR). It has been implicated in Auxin signaling. It has also been used for studying plant biosynthetic pathways.[1][2] Brassinolide might also regulate water-transport properties of cell membranes in Arabidopsis thaliana.[3]

Application

Brassinolide has been used as a plant growth hormone.[1]

Biochem/physiol Actions

Brassinolide is a plant growth hormone that has been implicated in Auxin signaling. It has also been used for studying plant biosynthetic pathways.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
0000331471
0000331471
0000275167
0000252141
0000281652

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Yu-Fan Guo et al.
Physiologia plantarum, 165(3), 555-568 (2018-04-29)
Banana fruit (Musa acuminate L.) ripening is a complex genetical process affected by multiple phytohormones and expression of various genes. However, whether plant hormone brassinosteroid (BR) is involved in this process remains obscure. In this work, three genes that encode
Yanrong Liu et al.
Biotechnology for biofuels, 13, 56-56 (2020-03-25)
Switchgrass (Panicum virgatum L.), a C4 perennial grass, has been recognized as one of the most potentially important lignocellulose biofuel crops. MicroRNA319 (miR319) plays a key role in plant development, abiotic resistance, and cell wall biosynthesis by repressing expression of
Zongqi Xu et al.
Plant physiology and biochemistry : PPB, 118, 460-470 (2017-07-26)
Poly-γ-glutamic acid (γ-PGA) is a microbe-secreted isopeptide shown to promote growth and enhance crop stress tolerance. However, its downstream signaling pathways are unknown. Here, we studied γ-PGA-induced tolerance to salt and cold stresses. Pretreatment with γ-PGA contributed to enhance stress
Biosynthetic pathways of brassinolide in Arabidopsis.
Noguchi T, et al.
Plant Physiology, 124(1), 201-210 (2000)
Brassinolide may control aquaporin activities in Arabidopsis thaliana.
Morillon R, et al.
Planta, 212(2), 199-204 (2001)
View All Related Papers

Questions

1–3 of 3 Questions  

  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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  3. Please, can I know the solubility of brassinolide (B1439)? Thanks in advance. Best regards

    1 answer

    1. This product is not tested for solubility. However, a brief search of the literature reveals that this compound is soluble in the following:
      Chloroform at 10 mg/mL
      DMSO at 50 mg/mL with gentle warming
      Ethanol at 50 mg/mL with gentle warming
      Insoluble in water

      Note that this information has not been verified.

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