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74523-53-8

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74523-53-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74523-53-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,5,2 and 3 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 74523-53:
(7*7)+(6*4)+(5*5)+(4*2)+(3*3)+(2*5)+(1*3)=128
128 % 10 = 8
So 74523-53-8 is a valid CAS Registry Number.

74523-53-8Relevant articles and documents

Solvent- and temperature-controlled inversion of π-facial selectivity in the 1,2-cycloaddition of singlet oxygen to hydroxyphenyl-substituted cyclohexadihydrofurans

Watanabe, Nobuko,Hiragaki, Kiriko,Tsurumi, Kunihiko,Ijuin, Hisako K.,Matsumoto, Masakatsu

, p. 1845 - 1853 (2017)

Singlet-oxygenation of 3-hydroxyphenyl-substituted dihydrofurans fused with a cyclohexane 1a?c exclusively gave the corresponding syn/anti-stereoisomeric mixtures of dioxetanes 2a?c. The syn/anti-π-facial selectivity in the 1,2-cycloaddition of singlet ox

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