Cas 1228457-50-8,(Z)-2-ethoxy-3-(phenyl)propenal

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Check Digit Verification of cas no

The CAS Registry Mumber 1228457-50-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,8,4,5 and 7 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1228457-50:
(9*1)+(8*2)+(7*2)+(6*8)+(5*4)+(4*5)+(3*7)+(2*5)+(1*0)=158
158 % 10 = 8
So 1228457-50-8 is a valid CAS Registry Number.

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1228457-50-8Relevant articles and documents

Synthesis and properties of 2-Alkoxy- and 2-alkylthio- -3-aryl(hetaryl) propenals

Keiko, Natalia A.,Stepanova, Ludmila G.,Verochkina, Ekaterina A.,Larina, Ludmila I.

experimental part, p. 49 - 60 (2010/07/20)

2-Alkoxy- and 2-alkylthio-3-aryl(hetaryl)propenals have been synthesized in 57-84% yields by the reaction of aldol condensation of aryl(hetaryl) aldehydes with 2-alkoxy- and 2-butylthioacetaldehydes. In the presence of alkali catalysts the reaction proceeds stereoselectively in two-phase systems. The direction of the?=? bond hydration of the prepared enals in the course of hydrolysis in acidic medium has been investigated.

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CAS

1228457-50-8