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42719-55-1

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42719-55-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 42719-55-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,7,1 and 9 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 42719-55:
(7*4)+(6*2)+(5*7)+(4*1)+(3*9)+(2*5)+(1*5)=121
121 % 10 = 1
So 42719-55-1 is a valid CAS Registry Number.

42719-55-1Relevant academic research and scientific papers

Enantio- and diastereocontrolled synthesis of (+)-juvabione employing organocatalytic desymmetrisation and photoinduced fragmentation

Itagaki, Noriaki,Iwabuchi, Yoshiharu

, p. 1175 - 1176 (2008/02/02)

(+)-Juvabione, a natural sesquiterpene exhibiting insect juvenile hormone activity, has been synthesized from σ-symmetric 4-(2-formylethyl) cyclohexanone by employing organocatalytic asymmetric aldolisation and Norrish I-type fragmentation as the key step

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