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157699-57-5

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157699-57-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 157699-57-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,6,9 and 9 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 157699-57:
(8*1)+(7*5)+(6*7)+(5*6)+(4*9)+(3*9)+(2*5)+(1*7)=195
195 % 10 = 5
So 157699-57-5 is a valid CAS Registry Number.

157699-57-5Relevant articles and documents

Formation and structure of coordinatively unsaturated Cp*Ir-amino acid complexes. Kinetic and thermodynamic control in highly diastereoselective complexation reactions

Grotjahn,Groy

, p. 3669 - 3682 (2008/10/09)

Amino acid derivatives bearing an electron-withdrawing group Z on N (Z = tosyl, CO2-CH2Ph, or acetyl) serve as (N,O)-chelating, dianionic ligands to the fragment Cp*Ir. Six such complexes have been prepared, all of them coordinativel

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