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68454-14-8

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68454-14-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 68454-14-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,4,5 and 4 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 68454-14:
(7*6)+(6*8)+(5*4)+(4*5)+(3*4)+(2*1)+(1*4)=148
148 % 10 = 8
So 68454-14-8 is a valid CAS Registry Number.

68454-14-8Relevant articles and documents

Biocatalytic synthesis of novel partial esters of a bioactive dihydroxy 4-methylcoumarin by Rhizopus oryzae lipase (ROL)

Kumar, Vinod,Mathur, Divya,Srivastava, Smriti,Malhotra, Shashwat,Rana, Neha,Singh, Suraj K.,Singh, Brajendra K.,Prasad, Ashok K.,Varma, Anjani J.,Len, Christophe,Kuhad, Ramesh C.,Saxena, Rajendra K.,Parmar, Virinder S.

, (2016)

Highly regioselective acylation has been observed in 7,8-dihydroxy-4-methylcoumarin (DHMC) by the lipase from Rhizopus oryzae suspended in tetrahydrofuran (THF) at 45°C using six different acid anhydrides as acylating agents. The acylation occurred regioselectively at one of the two hydroxy groups of the coumarin moiety resulting in the formation of 8-acyloxy-7-hydroxy-4-methylcoumarins, which are important bioactive molecules for studying biotansformations in animals, and are otherwise very difficult to obtain by only chemical steps. Six monoacylated, monohydroxy 4-methylcoumarins have been biocatalytically synthesised and identified on the basis of their spectral data and X-ray crystal analysis.

COUMARIN COMPOUNDS AND THEIR USE FOR TREATING CANCER

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Page/Page column 35, (2009/12/27)

Coumarin compounds of formula (I): wherein R1, R2, R3, R4, R5, R6, and X are defined herein. Also disclosed is a method for treating cancer with coumarin compounds.

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