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194232-63-8

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194232-63-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 194232-63-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,4,2,3 and 2 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 194232-63:
(8*1)+(7*9)+(6*4)+(5*2)+(4*3)+(3*2)+(2*6)+(1*3)=138
138 % 10 = 8
So 194232-63-8 is a valid CAS Registry Number.

194232-63-8Relevant articles and documents

Synthesis of the fully functionalized tris-oxazole fragment pound in metabolites derived from marine organisms

Liu, Ping,Celatka, Cassandra A.,Panek, James S.

, p. 5445 - 5448 (2007/10/03)

The synthesis of the fully functionalized tris-oxazole fragment 9 found in marine metabolites kabiramide C and halichondramide is reported employing modified Hantzsch methodology. Starting with the condensation reaction between cinnamamide 1 and ethyl bromopyruvate 2, the synthetic sequence leading to 9 was carried out in 13 steps with an overall yield of 26%.

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