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247910-76-5

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247910-76-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 247910-76-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,4,7,9,1 and 0 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 247910-76:
(8*2)+(7*4)+(6*7)+(5*9)+(4*1)+(3*0)+(2*7)+(1*6)=155
155 % 10 = 5
So 247910-76-5 is a valid CAS Registry Number.

247910-76-5Downstream Products

247910-76-5Relevant articles and documents

Stereoselective Synthesis of Lissoclinolide and Proof that 'Tetrenolin' is Identical to Lissoclinolide

Goerth, Felix C.,Brueckner, Reinhard

, p. 1520 - 1528 (2007/10/03)

A 6-step synthesis of the γ-alkylidenebutenolide lissoclinolide (1; 40 percent yield) is described. The Z-configured C1' = Cγ bond was established by an anti-elimination from dihydroxylactone 10, the trans-configured C3' = C2' bond by a Wittig reaction of ylid Z-15 with (tert-butyldiphenylsilyloxy)acetaldehyde. Digressing from this synthesis (Scheme 7), we obtained compound 2 with the surmised structure of tetrenolin. However, the correct structure of 'tetrenolin' turned out to be the same as lissoclinolide. Compound 1 exhibited moderate antimicrobial activity while 2 did not.

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