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75775-34-7

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75775-34-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75775-34-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,7,7 and 5 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 75775-34:
(7*7)+(6*5)+(5*7)+(4*7)+(3*5)+(2*3)+(1*4)=167
167 % 10 = 7
So 75775-34-7 is a valid CAS Registry Number.

75775-34-7Downstream Products

75775-34-7Relevant academic research and scientific papers

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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