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80253-72-1

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80253-72-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 80253-72-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,2,5 and 3 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 80253-72:
(7*8)+(6*0)+(5*2)+(4*5)+(3*3)+(2*7)+(1*2)=111
111 % 10 = 1
So 80253-72-1 is a valid CAS Registry Number.

80253-72-1Relevant articles and documents

An Improved Two-step Route for the Preparation of β-Diketones from Aldehydes and its Application to the Synthesis of β-Damascone

Pellicciari, Roberto,Fringuelli, Renata,Sisani, Ettore,Curini, Massimo

, p. 2566 - 2569 (2007/10/02)

α-Diazo-β-hydroxyketones, obtained by condensation of aldehydes with 1-diazo-1-lithioacetone, are efficiently transformed into the corresponding β-diketones by exposure to rhodium(II) acetate, The sequence is applied to a new synthesis of β-damascone (10).

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