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59805-79-7

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59805-79-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 59805-79-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,9,8,0 and 5 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 59805-79:
(7*5)+(6*9)+(5*8)+(4*0)+(3*5)+(2*7)+(1*9)=167
167 % 10 = 7
So 59805-79-7 is a valid CAS Registry Number.

59805-79-7Downstream Products

59805-79-7Relevant articles and documents

New aspects in the synthesis of mono- and dialkylfurans

Bock, Inge,Bornowski, Hans,Ranft, Andreas,Theis, Heinz

, p. 1199 - 1210 (1990)

3-substituted furan systems can be obtained by alkylation of 3-lithium furans with various electrophiles in the presence of hexamethylphosphoric acid triamide in good yields. The 2- or 5-position of 3-methyl furan is blocked with high regio selectivity by silylation. After metalation and alkylation of the remaining free α-position and subsequent desilylation the 2,3- and 2,4-disubstituted furans are obtained. These methods are used to synthesize the naturally occuring compounds ursinanolide (2) and longifolin (4).

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