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725257-88-5

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725257-88-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 725257-88-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,2,5,2,5 and 7 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 725257-88:
(8*7)+(7*2)+(6*5)+(5*2)+(4*5)+(3*7)+(2*8)+(1*8)=175
175 % 10 = 5
So 725257-88-5 is a valid CAS Registry Number.

725257-88-5Relevant articles and documents

Lewis acid tuned facial stereodivergent HDA reactions using β-substituted N-vinyloxazolidinones

Gohier, Frederic,Bouhadjera, Keltoum,Faye, Djibril,Gaulon, Catherine,Maisonneuve, Vincent,Dujardin, Gilles,Dhal, Robert

, p. 211 - 214 (2007/10/03)

(Chemical Equation Presented) The [4 + 2] acido-catalyzed heterocycloaddition between new β-substituted N-vinyl-1,3-oxazolidin-2-ones (with R′ = Me, Ar, CH2 Ar) and β,γ-unsaturated α-ketoesters (R = Ar) afforded heteroadducts with high levels o

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