Cas 190667-85-7,C<sub>10</sub>H<sub>16</sub>O

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Check Digit Verification of cas no

The CAS Registry Mumber 190667-85-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,0,6,6 and 7 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 190667-85:
(8*1)+(7*9)+(6*0)+(5*6)+(4*6)+(3*7)+(2*8)+(1*5)=167
167 % 10 = 7
So 190667-85-7 is a valid CAS Registry Number.

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190667-85-7Relevant academic research and scientific papers

Exo-selective asymmetric Diels-Alder reaction of 2,4-dienals and nitroalkenes by trienamine catalysis

Jia, Zhi-Jun,Zhou, Quan,Zhou, Qing-Qing,Chen, Peng-Qiao,Chen, Ying-Chun

, p. 8638 - 8641 (2011/11/06)

Raising the HOMO: 2,4-Dienals can react with nitroalkenes in trienamine-catalyzed asymmetric Diels-Alder reactions (see scheme). Crucial for the success is raising the HOMO energy of the diene through the introduction of appropriate substituents. The reaction exhibits unusually high enantioselectivity and exo selectivity; endo addition is possibly disfavored because of the electrostatic repulsion shown in the scheme. Copyright

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