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286019-77-0

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286019-77-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 286019-77-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,6,0,1 and 9 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 286019-77:
(8*2)+(7*8)+(6*6)+(5*0)+(4*1)+(3*9)+(2*7)+(1*7)=160
160 % 10 = 0
So 286019-77-0 is a valid CAS Registry Number.

286019-77-0Relevant articles and documents

Dihalomethylation of N-protected phenylalanine esters

Onishi, Tomoyuki,Otake, Yasuyuki,Hirose, Naoko,Nakano, Takashi,Torii, Takayoshi,Nakazawa, Masakazu,Izawa, Kunisuke

, p. 6337 - 6340 (2001)

Dihalomethylation of several N-protected amino acid esters gave N-protected α-aminoalkyl-α′-dihalomethylketones, which are useful intermediates for the synthesis of erythro β-amino-α-hydroxycarboxylic acids, in good yield. The dihalomethylketones were successfully converted to N-protected α-aminoalkyl-α′-halomethylketones by selective catalytic hydrogenation.

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