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97371-50-1

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97371-50-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 97371-50-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,3,7 and 1 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 97371-50:
(7*9)+(6*7)+(5*3)+(4*7)+(3*1)+(2*5)+(1*0)=161
161 % 10 = 1
So 97371-50-1 is a valid CAS Registry Number.

97371-50-1Downstream Products

97371-50-1Relevant articles and documents

Photochemical Reactions. Photochemistry of α,β-Unsaturated δ,ε-Epoxyketones of the Ionone Series

Mathies, Peter,Frei, Bruno,Jeger, Oskar

, p. 192 - 206 (1985)

On n,?*- as well as on ?,?*-excitation, the 4,5-epoxy-α-ionones (E)-1, (E)-2, and (E)-3 undergo (E)/(Z)-isomerization and subsequent γ-H-abstraction leading to the corresponding 4-hydroxy-β-ionones (E/Z)-9, E/Z)-13, and (E/Z)-17 as primary photoproducts.On photolysis of (E)-3, as an additional primary photoproduct, the β,γ-unsaturated δ,ε-epoxy ketone 18 was obtained.The other isolated compounds, namely the 2H-pyrans 10A+B and 14A+B as well as the retro-γ-ionones 11 and 15A+B, represent known types of products which are derived from the 4-hydroxy-β-ionones (E/Z)-9 and (E/Z)-13, respectively.

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