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199615-24-2

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199615-24-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 199615-24-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,9,6,1 and 5 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 199615-24:
(8*1)+(7*9)+(6*9)+(5*6)+(4*1)+(3*5)+(2*2)+(1*4)=182
182 % 10 = 2
So 199615-24-2 is a valid CAS Registry Number.

199615-24-2Relevant articles and documents

Asymmetric addition of alkyllithium to chiral imines: α-Naphthylethyl group as a chiral auxiliary

Yamada, Hideki,Kawate, Tomohiko,Nishida, Atsushi,Nakagawa, Masako

, p. 8821 - 8828 (2007/10/03)

The diastereoselective nucleophilic addition of alkyllithium to N- alkylidene-α-naphthylethylamine was carried out. In the presence of Lewis acids or Lewis bases, organolithiums reacted smoothly with imines to give the corresponding amines in high stereoselectivity (up to 100% de). Furthermore, the resulting optically active amines were found to be useful for asymmetric reactions as chiral ligands.

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