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54987-82-5

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54987-82-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 54987-82-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,9,8 and 7 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 54987-82:
(7*5)+(6*4)+(5*9)+(4*8)+(3*7)+(2*8)+(1*2)=175
175 % 10 = 5
So 54987-82-5 is a valid CAS Registry Number.

54987-82-5Relevant articles and documents

A new flavonoidal constituent from taraxacum officinale (L.) weber

Yadava, Raj Nath,Khan, Shirin

, p. 4117 - 4118 (2013/06/05)

A new flavone glycoside (A) m.p. 265-268 °C, m.f. C33H 40O21, [M]+ 742 (FABMS), has been isolated from stem of Taraxacum oficinale (L.) Weber. It was characterized as 3,5,7,3',4'-pentahydroxy 8-C methyl flavone 7-O-β-D-xylopyranosyl (14)O-β-D glucopyranosyl 3'- O-α-L-rhamnopyranoside alongwith known compound ladanein B by various chemical degradations and spectral analysis.

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