Cas 143426-33-9,9-<<4-(13)C>-4-acetoxy-3-(acetoxymethyl)butyl>-2-amino-6-chloro-9H-purine

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Check Digit Verification of cas no

The CAS Registry Mumber 143426-33-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,4,2 and 6 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 143426-33:
(8*1)+(7*4)+(6*3)+(5*4)+(4*2)+(3*6)+(2*3)+(1*3)=109
109 % 10 = 9
So 143426-33-9 is a valid CAS Registry Number.

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143426-33-9Relevant academic research and scientific papers

Chemoenzymatic Approach to the Synthesis of the Antiviral Agents Penciclovir and Famciclovir in Isotopically Chiral Labelled Form

Sime, John T.,Barnes, Roger D.,Elson, Stephen W.,Jarvest, Richard L.,O'Toole, Kevin J.

, p. 1653 - 1658 (2007/10/02)

The antiviral agents penciclovir and famciclovir have been synthesised in isotopically chiral form.The synthesis of (+)-methyl 4-benzyloxy-2-(hydroxymethyl)butanoate 12a by use of enzymatic hydrolysis catalysed by the lipase from Candida cylindrac

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143426-33-9

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