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Merck

A4906

(+)-Abscisic acid

≥98% (HPLC), powder, growth regulator

Synonym(s):

(S)-5-(1-Hydroxy-2,6,6-trimethyl-4-oxo-2-cyclohexen-1-yl)-3-methyl-(2Z,4E)-pentadienoic acid, ABA, Dormin

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About This Item

Empirical Formula (Hill Notation):
C15H20O4
CAS Number:
21293-29-8
Molecular Weight:
264.32
NACRES:
NA.77
PubChem Substance ID:
24890921
UNSPSC Code:
12352106
EC Number:
244-319-5
MDL number:
MFCD00066545
Beilstein/REAXYS Number:
2698956
Assay:
≥98% (HPLC)
Form:
powder
Quality level:
200

Key Documents

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Product Name

(+)-Abscisic acid, ≥98% (HPLC)

InChI

1S/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

InChI key

JLIDBLDQVAYHNE-YKALOCIXSA-N

SMILES string

CC(\C=C\[C@@]1(O)C(C)=CC(=O)CC1(C)C)=C\C(O)=O

assay

≥98% (HPLC)

form

powder

application(s)

agriculture

storage temp.

−20°C

Quality Level

200

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Application

(+)-Abscisic acid has been used:
  • as a supplement for the germination of Arabidopsis thaliana seeds
  • as a component of buffered nodulation medium to check its effects on lateral root density (LRD) in leguminous and non-leguminous plants
  • as a standard to study its effects on root meristem defects in Medicago truncatula latd mutant

Biochem/physiol Actions

Plant hormone and growth regulator that is involved in several physiological mechanisms including seed dormancy, leaf abscission, stomatal movement, and plant stress responses. Through complex interactions with several intracellular signaling systems, it can regulate the expression of hundreds of plant genes.

Other Notes

Natural isomer of the abscission-accelerating plant hormone.

pictograms

Environment
GHS09

signalword

Warning

hcodes

H410

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1

Storage Class

11 - Combustible Solids

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificates of Analysis (COA)

Lot/Batch Number
0000486694
0000486694
0000405957
0000405957
0000270891

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Yan Liang et al.
American journal of botany, 92(10), 1675-1683 (2005-10-01)
Legumes are unique among higher plants in forming a symbiosis with Rhizobium. Phylogenetic studies indicate this symbiosis may have evolved as many as three times within the Fabaceae; alternatively, a predisposition for nodulation evolved early in the history of the
Response of root branching to abscisic acid is correlated with nodule formation both in legumes and nonlegumes
Liang Y and Harris J M
American Journal of Botany, 92(10), 1675-1683 (2005)
Regulated expression of Arabidopsis Shaker K+ channel genes involved in K+ uptake and distribution in the plant
Pilot G, et al.
Plant Molecular Biology, 51(5), 773-787 (2003)
Guillaume Pilot et al.
Plant molecular biology, 51(5), 773-787 (2003-04-08)
Potassium is the most abundant cation in the cytosol, where it plays a role in basal functions. Rapid uptake and distribution of K+ is therefore required for plant growth. Three members of the so-called Shaker K+ channel gene family (nine
Yan Liang et al.
Developmental biology, 304(1), 297-307 (2007-01-24)
The LATD gene of the model legume, Medicago truncatula, is required for the normal function of three meristems, i.e. the primary root, lateral roots and nitrogen-fixing nodules. In latd mutants, primary root growth eventually arrests, resulting in a disorganized root
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