GA3；Gibberellin A3/Gibberellic acid/GA3

English Name: GA3; Gibberellin A3； Gibberellic acid

Other names: gibberellic acid; 920; 2,4a, 7-trihydroxy-1-methyl-8-methylene gibberella-3-ene-1,10-dicarboxylic acid-1,4a-lactone

CAS No.: 77-06-5

C19H22O6=346.37

 Grade: br

Content: ≥ 90.0%

Specific rotation: +75 ~ +90 °

 Physicochemical properties   : white crystalline powder, soluble in alcohol, acetone, ethyl acetate, sodium bicarbonate solution and ph6.2 phosphate buffer, insoluble in water and ether. The aqueous solution is acidic, unstable and easy to fail. It is easy to decompose in case of alkali. It turns dark red when encountering sulfuric acid. Crystal powder must be fully dissolved with alcohol (50 ml alcohol or 60 ℃ Baijiu is generally used to dissolve each gram for more than one hour), and then diluted with water according to the required concentration

Purpose: biochemical research. Gibberellin is a plant growth hormone, which can promote the growth of stems and leaves, early bolting and flowering, promote the germination of seeds, tubers and root tubers, stimulate the growth of fruits, increase the bearing rate or form seedless fruits. Potatoes, tomatoes, rice, wheat, cotton, soybeans, peas, tobacco, fruit trees, etc. can increase production. However, if too much gibberellin is applied, plants will have yellow and slender branches, that is, chlorosis and overgrowth, which will affect the yield. Gibberellin can also be used to make malt from barley. It also promotes the development of insects

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