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75269-52-2

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75269-52-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75269-52-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,2,6 and 9 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 75269-52:
(7*7)+(6*5)+(5*2)+(4*6)+(3*9)+(2*5)+(1*2)=152
152 % 10 = 2
So 75269-52-2 is a valid CAS Registry Number.

75269-52-2Downstream Products

75269-52-2Relevant articles and documents

Kinetic and thermochemical investigation of 1,3-dipolar cycloaddition reactions. Reactivity of aryl vinyl ethers and α-piperidinostyrenes with benzoyl nitrone

Samuilov, Ya. D.,Solov'eva, S. E.,Konovalov, A. I.

, p. 1061 - 1066 (2007/10/02)

The reactivity of aryl vinyl ethers and α-piperidinostyrenes in 1,3-dipolar cycloaddition with benzoyl nitrone was investigated.It was shown that the reactions with aryl vinyl ethers occur by a mechanism of the "1,3-dipole-donor, dipolarophile-acceptor" type.The reactions of benzoyl nitrone with more strongly donating dipolarophiles (α-piperidinostyrenes) occur by a mechanism of the "1,3-dipole-acceptor, dipolarophile-donor" type.The reactions of C,N-diphenyl nitrone, C-phenyl-N-methyl nitrone, and benzoyl nitrone with amleic anhydride and with N-phenylmaleimide were investigated kinetically and thermochemically.It was shown that in the investigated reactions the reactivity of the addends increases with increase in the exothermic characteristics of the reactions.It is suggested that the transition state in the reactions has polar character.

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