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220184-54-3

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220184-54-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 220184-54-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,1,8 and 4 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 220184-54:
(8*2)+(7*2)+(6*0)+(5*1)+(4*8)+(3*4)+(2*5)+(1*4)=93
93 % 10 = 3
So 220184-54-3 is a valid CAS Registry Number.

220184-54-3Relevant articles and documents

Optically active α-aminonitrile and process for producing α-amino acid

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Example 2, (2010/01/30)

An aldehyde compound is reacted with an amino compound and hydrogen cyanate in the presence of a chiral zirconium catalyst obtained by mixing a zirconium alkoxide with an optically active binaphthol compound.

Catalytic, enantioselective synthesis of α-aminonitriles with a novel zirconium catalyst

Ishitani, Haruro,Komiyama, Susumu,Kobayashi, Shu

, p. 3186 - 3188 (2007/10/03)

Strecker reactions of aldimines with Bu3SnCN in the presence of the novel chiral zirconium binuclear catalyst 1 provide α-aminonitriles in good yields and with high enantioselectivities. The reaction can be applied to a wide range of substrates. Since both enantiomers of the choral sources are readily available, both enantiomers of the α-aminonitriles are easily prepared according to this method. L = N-methylimidazole.

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