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917392-75-7

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917392-75-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 917392-75-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,7,3,9 and 2 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 917392-75:
(8*9)+(7*1)+(6*7)+(5*3)+(4*9)+(3*2)+(2*7)+(1*5)=197
197 % 10 = 7
So 917392-75-7 is a valid CAS Registry Number.

917392-75-7Relevant articles and documents

Circular dichroism studies on absolute configuration assignment of peptidomimetics with a terminal chiral 3-arylpropionic acid unit

Frelek, Jadwiga,Fryszkowska, Anna,Kwit, Marcin,Ostaszewski, Ryszard

, p. 2469 - 2478 (2007/10/03)

The relationship between the molecular structure of peptidomimetics 1 and their chiroptical properties has been studied using circular dichroism spectroscopy. It was demonstrated that the sign of the Cotton effects occurring around 230 and 270 nm enables the direct assignment of stereochemistry at C-1 and C-3 carbon atoms. The TD-DFT calculations of the circular dichroism (CD) spectrum of one of the model compounds confirm the absolute stereochemistry assignment made experimentally. Thus, CD spectroscopy proved to be a simple, reliable and general tool for the determination of the absolute configuration of the stereogenic centers of peptidomimetics with a terminal 3-arylpropionic group.

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