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851679-73-7

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851679-73-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 851679-73-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,1,6,7 and 9 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 851679-73:
(8*8)+(7*5)+(6*1)+(5*6)+(4*7)+(3*9)+(2*7)+(1*3)=207
207 % 10 = 7
So 851679-73-7 is a valid CAS Registry Number.

851679-73-7Downstream Products

851679-73-7Relevant articles and documents

Chiral bis(amino alcohol)oxalamides as ligands for asymmetric catalysis. Ti(IV) catalyzed enantioselective addition of diethylzinc to aldehydes

Blay, Gonzalo,Fernandez, Isabel,Marco-Aleixandre, Alicia,Pedro, Jose R.

, p. 1207 - 1213 (2005)

Several chiral bis(aminoalcohol)oxalamides with C2-symmetry have been prepared and used as ligands for the enantioselective addition of diethylzinc to aromatic and aliphatic aldehydes. The reaction proceeds in the presence of titanium isopropoxide to give the corresponding (S)-alcohols with ee up to 78%. In the absence of Ti(IV), the alcohols with the opposite configuration are obtained.

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