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698351-27-8

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698351-27-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 698351-27-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,9,8,3,5 and 1 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 698351-27:
(8*6)+(7*9)+(6*8)+(5*3)+(4*5)+(3*1)+(2*2)+(1*7)=208
208 % 10 = 8
So 698351-27-8 is a valid CAS Registry Number.

698351-27-8Relevant articles and documents

Diastereoselective reduction of α-aminoketones: Synthesis of anti- and syn-β-aminoalcohols

Fraser, David S.,Park, Sheldon B.,Chong, J. Michael

, p. 87 - 101 (2007/10/03)

Reduction of N-t-BOC-protected-N-alkyl α-aminoketones with LiEt 3BH or Li(S-Bu)3BH furnishes protected syn-β-aminoalcohols with high selectivities. In contrast, removal of the BOC group followed by reduction of the aminoketone gives anti-β- aminoalcohols with variable selectivities. With aromatic ketones, selectivities are typically high while aliphatic ketones show mediocre to high selectivities depending on steric considerations.

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