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54837-17-1

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54837-17-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 54837-17-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,8,3 and 7 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 54837-17:
(7*5)+(6*4)+(5*8)+(4*3)+(3*7)+(2*1)+(1*7)=141
141 % 10 = 1
So 54837-17-1 is a valid CAS Registry Number.

54837-17-1Relevant articles and documents

Synthesis of Chiral Zileuton, A Potent And Selective Inhibitor Of 5-Lipoxygenase

Hsiao, Chi-Nung,Kolasa, Teodozyj

, p. 2629 - 2632 (2007/10/02)

Coupling and intramolecular Wittig reaction of N-benzyloxy-D-alanine anhydride (13) and (2-Mercaptophenyl)methyltriphenylphosphonium bromide (3) were used as key steps to prepare (+)-enantiomer of zileuton (1), a potent and selective inhibitor of 5-lipoxygenase.

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