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141258-53-9

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141258-53-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 141258-53-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,1,2,5 and 8 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 141258-53:
(8*1)+(7*4)+(6*1)+(5*2)+(4*5)+(3*8)+(2*5)+(1*3)=109
109 % 10 = 9
So 141258-53-9 is a valid CAS Registry Number.

141258-53-9Downstream Products

141258-53-9Relevant articles and documents

A facile one-pot synthesis of symmetrical and unsymmetrical acetaldehyde acetals from primary alcohols

Guy,DiPietro

, p. 687 - 692 (2007/10/02)

Initial formation of a vinyl ether 2 by treatment of a primary alcohol 1 with ethyl vinyl ether in the presence of mercury (II) acetate followed by treatment with the same or a different alcohol in the presence of p-toluenesulfonic acid affords the symmetrical and unsymmetrical acetaldehyde acetals 3 in good overall yield. The method is easily scaled up and represents a significant improvement over currently available procedures.

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