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147240-29-7

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147240-29-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 147240-29-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,7,2,4 and 0 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 147240-29:
(8*1)+(7*4)+(6*7)+(5*2)+(4*4)+(3*0)+(2*2)+(1*9)=117
117 % 10 = 7
So 147240-29-7 is a valid CAS Registry Number.

147240-29-7Relevant articles and documents

AN EFFECTIVE SYNTHESIS OF SCALEMIC 3,5,5-TRISUSBSTITUTED PYRROLIN-4-ONES

Smith, Amos B.,Holcomb, Ryan C.,Guzman, Mark C.,Keenan, Terence P.,Sprengeler, Paul A.,Hirschmann, Ralph

, p. 63 - 66 (1993)

A new two-step method employs the intramolecular cyclization of metalated imino esters for the construction of scalemic 3,5,5-trisubstituted pyrrolin-4-ones (4).The imino esters in turn derive from α-disubstituted amino acids, the latter readily available

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