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78761-29-2

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78761-29-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78761-29-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,7,6 and 1 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 78761-29:
(7*7)+(6*8)+(5*7)+(4*6)+(3*1)+(2*2)+(1*9)=172
172 % 10 = 2
So 78761-29-2 is a valid CAS Registry Number.

78761-29-2Relevant articles and documents

On Amino Acid Antagonists,IV.-Separation and Determination of the Configurations of the Stereoisomeric N-Acetyl-2-(2'-cyclohexenyl)glycines

Santoso, Sentot,Kemmer, Thorsten,Trowitzsch, Wolfram

, p. 642 - 657 (2007/10/02)

The D-(+)-(1-phenylethyl)amides 5 as well as the D-(-)-O-acetyl-α-phenylglycinolamides 7 of the title compounds were separated on silica gel into the four diastereomeric compounds.All attempts failed to hydrolyze 5 and 7 to the corresponding acids.In contrast the diastereomeric D-(-)-N-acetyl-α-phenylglycinol esters 10 which were separated on silica gel were hydrolysed to the optically active acids 3a-d.The absolute configurations at C-2 in 3 were determined by correlation with the saturated glycine derivatives of known stereochemistry.The relative configurationsand hence the absolute configurations at C-1' in 3a-d were deduced from the NMR- and CD-spectra and were confirmed by X-ray analysis of 3a.Only the amino acid 3b with the (2S,1'R)-configuration exhibits biological activity.

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