Cas 77265-13-5,C20H24O6

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Check Digit Verification of cas no

The CAS Registry Mumber 77265-13-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,2,6 and 5 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 77265-13:
(7*7)+(6*7)+(5*2)+(4*6)+(3*5)+(2*1)+(1*3)=145
145 % 10 = 5
So 77265-13-5 is a valid CAS Registry Number.

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77265-13-5Relevant academic research and scientific papers

MALLOTUCIN C AND D, TWO DITERPENIC LACTONES FROM MALLOTUS REPANDUS

Nakatsu, Tetsuo,Ito, Sho

, p. 241 - 244 (2007/10/02)

Investigation on the constituents of the titled plant collected in June resulted in the isolation of mallotucin B and mallotucins C and D (as acetates).Mallotucin A (=teucvin), which is the only diterpenic constituent in the plant collected in December, was not detected.Structures of mallotucins C and D were elucidated on the basis of their chemical correlation with mallotucin A and the detailed spectral analyses of their acetates.Mallotucin A is suggested to be biosynthesized from chettaphane-type precursors, mallotucins B, C and/or D.

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