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141694-57-7

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141694-57-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 141694-57-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,1,6,9 and 4 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 141694-57:
(8*1)+(7*4)+(6*1)+(5*6)+(4*9)+(3*4)+(2*5)+(1*7)=137
137 % 10 = 7
So 141694-57-7 is a valid CAS Registry Number.

141694-57-7Relevant articles and documents

A facile conversion of aliphatic aldehydes to 1,1-difluoroalkanes

Garcia Martinez,Osio Barcina,Rys,Subramanian

, p. 7787 - 7788 (1992)

Aliphatic aldehydes can be easily converted to 1,1-difluoroalkanes by reaction of the corresponding gem-bistriflates with tetrabutylammonium difluorotriphenylstannate.

A new Procedure for the Synthesis of (E)-1-iodo-1-alkenes

Martinez, A. Garcia,Alvarez, R. Martinez,Gonzalez, S. Martinez,Subramanian, L. R.,Conrad, M.

, p. 2043 - 2044 (2007/10/02)

(E)-1-iodo-1-alkenes 4 can be prepared stereoselectively from aldehydes 1 via IH-elimination of 1,1-di-iodoalkanes 3 with DBU. Key words: Vinyl iodide; diiodoalkane; elimination; stereoselectivity.

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