Cas 82723-13-5,4-phenyl-3-(3-dimethylamino-2-hydroxy-2-methylpropionyl)-2-pyrazoline

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Check Digit Verification of cas no

The CAS Registry Mumber 82723-13-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,7,2 and 3 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 82723-13:
(7*8)+(6*2)+(5*7)+(4*2)+(3*3)+(2*1)+(1*3)=125
125 % 10 = 5
So 82723-13-5 is a valid CAS Registry Number.

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82723-13-5Relevant academic research and scientific papers

1,3-Dipolar Cycloaddition of Diazomethane to β-Arylacrylyloxiranes

Zvonok, A. M.,Kuz'menok, N. M.,Stanishevskii, L. S.

, p. 515 - 518 (2007/10/02)

Diastereomeric 4-aryl-3-epoxypropionyl-2-pyrazolines were obtained by cycloaddition of diazomethane to β-arylacrylyloxiranes.It was established that, in addition to the formation of pyrazolines, competitive addition of diazomethane to the carbonyl group to give oxadiazolines occurs when electron-donor substituents are present in the aromatic ring in the 2 or 4 position.Some chemical properties of 4-aryl-3-epoxypropionyl-2-pyrazolines were studied.

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