Home > Name List By 2 > 2,4-Pentadienoic acid,5-[(1S)-1-hydroxy-2,6,6-trimethyl-4-oxo-2-cyclohexen-1-yl]-3-methyl-, (2Z,4E)- India

CAS No 21293-29-8 , 2,4-Pentadienoic acid,5-[(1S)-1-hydroxy-2,6,6-trimethyl-4-oxo-2-cyclohexen-1-yl]-3-methyl-, (2Z,4E)- Search by region : India

  • Name: 2,4-Pentadienoic acid,5-[(1S)-1-hydroxy-2,6,6-trimethyl-4-oxo-2-cyclohexen-1-yl]-3-methyl-, (2Z,4E)-
  • CAS Registry Number:
  • Melting Point: 188 °C
  • Flash Point: 245.4 ºC
  • Boiling Point: 458.7 ºC at 760 mmHg
  • Density: 1.193 g/cm3
  • Refractive index: 410 ° (C=0.2, EtOH)
  • Safety Statements: 22-24/25
  • Flash Point: 245.4 ºC
  • EINECS: 244-319-5
  • Molecular Weight: 264.32 .
  • 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)/b6-5+,10-7-/t15-/m1/s1
  • Risk Statements: S22 :; S24/25 :;
  • Molecular Formula: C15H20O4
  • Molecular Structure:CAS No:21293-29-8 2,4-Pentadienoic acid,5-[(1S)-1-hydroxy-2,6,6-trimethyl-4-oxo-2-cyclohexen-1-yl]-3-methyl-, (2Z,4E)-

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21293-29-8 2,4-Pentadienoic acid,5-[(1S)-1-hydroxy-2,6,6-trimethyl-4-oxo-2-cyclohexen-1-yl]-3-methyl-, (2Z,4E)-

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References of 2,4-Pentadienoic acid,5-[(1S)-1-hydroxy-2,6,6-trimethyl-4-oxo-2-cyclohexen-1-yl]-3-methyl-, (2Z,4E)-
Title: Abscisic Acid
CAS Registry Number: 21293-29-8
CAS Name: (2Z,4E)-5-[(1S)-Hydroxy-2,6,6-trimethyl-4-oxo-2-cyclohexen-1-yl]-3-methyl-2,4-pentadienoic acid
Synonyms: abscisin II; dormin; ABA
Molecular Formula: C15H20O4
Molecular Weight: 264.32
Percent Composition: C 68.16%, H 7.63%, O 24.21%
Literature References: Abscission-accelerating plant hormone; naturally occurring as the (+)-cis,trans-form. Regulates seed maturation and germination and mediates the plant response to environmental stress. Isoln from young cotton fruit: K. Ohkuma et al., Science 142, 1592 (1963); from sycamore leaves: J. W. Cornforth et al., Nature 205, 1269 (1965). Identification in sycamore, birch, rose, cabbage, potato, lemon, avocado: eidem, ibid. 210, 627 (1966). Structure and synthesis of (±)-cis,trans-form: eidem, ibid. 206, 715 (1965); and enantiomers: F. Kienzle et al., Helv. Chim. Acta 61, 2616 (1978). Absolute configuration of naturally occurring form: G. Ryback, Chem. Commun. 1972, 1190. Crystal and molecular structure: H. W. Schmalle et al., Acta Crystallogr. B33, 2218 (1977). Review: F. T. Addicott, J. L. Lyon, Annu. Rev. Plant Physiol. 20, 139 (1969). Review of role in root growth regulation: P. E. Pilet, P. W. Barlow, Plant Growth Regul. 6, 217-265 (1987); of metabolism: J. A. D. Zeevaart, R. A. Creelman, Annu. Rev. Plant Physiol. Plant Mol. Biol. 39, 439-473 (1988); of signal transduction: J. Leung, J. Giraudat, ibid. 49, 199-222 (1998).
Properties: Crystals from ethyl acetate + hexane, mp 161-163°. Sublimes at 120°. [a]D20 +411.1° (c = 1 in ethanol). [a]D20 +426.5° (c = 1 in 0.005N methanolic H2SO4). Sol in aq NaHCO3, chloroform, acetone, ethyl acetate, ether; slightly sol in benzene, water; sparingly sol in petr ether. uv max (methanol): 252 nm (e 25200).
Melting point: mp 161-163°
Optical Rotation: [a]D20 +411.1° (c = 1 in ethanol); [a]D20 +426.5° (c = 1 in 0.005N methanolic H2SO4)
Absorption maximum: uv max (methanol): 252 nm (e 25200)
 
Derivative Type: (-)-cis,trans-Form
CAS Registry Number: 14398-53-9
Synonyms: (R)-(-)-Abscisic acid
Properties: mp 162-163°. [a]D20 -426.2° (c = 1 in 0.005N H2SO4).
Melting point: mp 162-163°
Optical Rotation: [a]D20 -426.2° (c = 1 in 0.005N H2SO4)
 
Derivative Type: (±)-cis,trans-Form
CAS Registry Number: 14375-45-2
Properties: Crystals, mp 188-190°.
Melting point: mp 188-190°