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1111658-99-1

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1111658-99-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1111658-99-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,1,1,6,5 and 8 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1111658-99:
(9*1)+(8*1)+(7*1)+(6*1)+(5*6)+(4*5)+(3*8)+(2*9)+(1*9)=131
131 % 10 = 1
So 1111658-99-1 is a valid CAS Registry Number.

1111658-99-1Relevant articles and documents

Asymmetric Lewis acid mediated [1,2]-rearrangement of proline-derived ammonium ylides

Tuzina, Pavel,Somfai, Peter

supporting information; experimental part, p. 919 - 921 (2009/08/15)

The first example of asymmetric Lewis acid mediated [1,2]-rearrangement of N-benzylic proline amides to form quaternary proline derivatives is reported. The presented reaction is shown to proceed with remarkable high C→N→C chirality transfer. Various quat

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