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117049-08-8

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117049-08-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 117049-08-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,0,4 and 9 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 117049-08:
(8*1)+(7*1)+(6*7)+(5*0)+(4*4)+(3*9)+(2*0)+(1*8)=108
108 % 10 = 8
So 117049-08-8 is a valid CAS Registry Number.

117049-08-8Relevant articles and documents

A STEREOSELECTIVE SYNTHESIS OF N-BOC-α-AMINO ALCOHOLS AND α-AMINO ACIDS

Ermert, Philipp,Meyer, Jsabella,Stucki, Christoph,Schneebeli, Joerg,Obrecht, Jean-Pierre

, p. 1265 - 1268 (1988)

A sterteoselective synthesis of N-Boc-α-amino alcohols and α-amino acids via the addition of Grignard reagents to the chiral electrophilic glycine equivalent α-bromo-N-Boc-glycine(-)phenylmenthylester is described.

Asymmetric Sommelet-Hauser rearrangement of N-benzylic ammonium salts

Tayama, Eiji,Kimura, Hiroshi

, p. 8869 - 8871 (2008/09/19)

(Chemical Equation Presented) [2,3] over [1,2]: The asymmetric Sommelet-Hauser rearrangement of an ammonium salt derived from N-benzylic proline-derived or N-benzylic glycine (-)-8-phenylmenthol ester is shown to proceed with remarkably high levels of stereoselectivity. The method provides unique and efficient access to optically active α-aryl amino acid derivatives.

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