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CAS 14375-45-2

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Abscisic acid

Description:
Abscisic acid (ABA) is a plant hormone that plays a crucial role in various physiological processes, including seed dormancy, stomatal closure, and response to environmental stress. It is classified as a sesquiterpene and is derived from carotenoids. ABA is known for its ability to regulate plant growth and development, particularly under drought conditions, by promoting the closure of stomata to reduce water loss. The chemical structure of abscisic acid features a bicyclic structure with a carboxylic acid functional group, contributing to its biological activity. It is soluble in organic solvents but has limited solubility in water. Abscisic acid is synthesized in response to stress factors such as drought, salinity, and cold temperatures, making it vital for plant adaptation to adverse conditions. Its role in signaling pathways also influences various developmental processes, including fruit ripening and leaf senescence. Overall, abscisic acid is essential for maintaining plant homeostasis and facilitating responses to environmental challenges.
Formula:C15H19O4
InChI:InChI=1/C15H20O4/c1-10(7-13(17)18)5-6-15(19)11(2)8-12(16)9-14(15,3)4/h5-8,19H,9H2,1-4H3,(H,17,18)/p-1/b6-5+,10-7-/t15-/m1/s1
Synonyms:
  • (2-cis,4-trans)-5-(1-Hydroxy-2,6,6-trimethyl-4-oxo-2-cyclohexen-1-yl) -3-methyl-2,4-pentadienoic acid
  • ABA
  • (+/-)-Abscisic Acid = 5-/1-Hydroxy-2,6,6-trimethyl-4-oxo-1-cyclohexenyl)-3-methyl-cis,trans-2,4-pentadins�ure=
  • (+/-)-2-cis-4-trans-Abscisic acid
  • (+/-)-2-cis-4-trans-Abscissic acid
  • S-Aba
  • (2Z,4E)-5-(1-hydroxy-2,6,6-trimethyl-4-oxo-cyclohex-2-en-1-yl)-3-methyl-penta-2,4-dienoic acid
  • (2E,4E)-5-(1-hydroxy-2,6,6-trimethyl-4-oxocyclohex-2-en-1-yl)-3-methylpenta-2,4-dienoic acid
  • (2Z,4E)-5-[(1R)-1-hydroxy-2,6,6-trimethyl-4-oxocyclohex-2-en-1-yl]-3-methylpenta-2,4-dienoate
  • (2Z,4E)-5-[(1S)-1-hydroxy-2,6,6-trimethyl-4-oxocyclohex-2-en-1-yl]-3-methylpenta-2,4-dienoate
  • (±)-Abscisic acid
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