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252567-48-9

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252567-48-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 252567-48-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,2,5,6 and 7 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 252567-48:
(8*2)+(7*5)+(6*2)+(5*5)+(4*6)+(3*7)+(2*4)+(1*8)=149
149 % 10 = 9
So 252567-48-9 is a valid CAS Registry Number.

252567-48-9Relevant articles and documents

A straightforward entry into polyketide monoprenylated furanocoumarins and pyranocoumarins

Appendino, Giovanni,Cravotto, Giancarlo,Giovenzana, Giovanni B.,Palmisano, Giovanni

, p. 1627 - 1631 (2007/10/03)

A regioselective synthesis of 5-methyl- and 5-ethyl-4- hydroxycoumarin (1b and 1c, respectively) is described. Starting from these compounds, several prenylated polyketide coumarins of limited availability from natural sources and important taxonomic relevance were prepared.

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