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472-19-5

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472-19-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 472-19-5 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 4,7 and 2 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 472-19:
(5*4)+(4*7)+(3*2)+(2*1)+(1*9)=65
65 % 10 = 5
So 472-19-5 is a valid CAS Registry Number.

472-19-5Relevant articles and documents

Y-zeolite-catalyzed cyclizations of terpenols

Yu, Wei,Bian, Fengling,Gao, Yuan,Yang, Li,Liu, Zhong-Li

, p. 59 - 62 (2006)

Depending on the metal doped and the activation temperature, Y-zeolites can catalyze a diversity of reactions of geraniol (1), linalool (2) and nerol (3). Compound 1 can be transformed to α- and/or γ-cyclogeraniol (4 and 5) highly efficiently.

Synthesis of three putative kairomones of the beech leaf-mining weevil Orchestes fagi (L.)

Mayo,Silk,Abeysekera,MaGee

, p. 1124 - 1132 (2016/07/21)

The beech leaf-mining weevil, Orchestes fagi (L.), also known as the beech flea weevil, is a common and widespread pest of beech, Fagus sylvatica L., in its native Europe. It now appears to be well established in Nova Scotia, Canada. We report a novel synthesis of 9-geranyl-p-cymene and syntheses of 9-geranyl-α-terpinene and 1,1-dimethyl-3-methylene-2-vinylcyclohexane, making partial use of known methods. All three of these compounds are found in beech leaf volatiles and/or wood and are putative kairomones of the beech leaf-mining weevil.

Biomimetic cyclization of small terpenoids promoted by zeolite NaY: Tandem formation of α-ambrinol from geranyl acetone

Tsangarakis, Constantinos,Stratakis, Manolis

, p. 1280 - 1284 (2007/10/03)

Zeolite NaY promotes efficiently the biomimetic cyclization of small acyclic terpenes. Geranyl and neryl acetone undergo a novel tandem 1,5-diene cyclization/carbonyl-ene reaction to form the natural product α-ambrinol isolated in >65% yield.

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