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256946-28-8

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256946-28-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 256946-28-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,6,9,4 and 6 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 256946-28:
(8*2)+(7*5)+(6*6)+(5*9)+(4*4)+(3*6)+(2*2)+(1*8)=178
178 % 10 = 8
So 256946-28-8 is a valid CAS Registry Number.

256946-28-8Relevant articles and documents

Synthesis and digestibility inhibition of diarylheptanoids: Structure- activity relationship

Bratt, Katharina,Sunnerheim, Kerstin

, p. 2703 - 2713 (2007/10/03)

(±)-5-Hydroxy-1,7-bis-(4'-hydroxyphenyl)-3-heptanone (2a), (±)5- hydroxyl-1-(4'-hydroxyphenyl)-7-phenyl-3-heptanone (2b), (±)-5-hydroxy-7- (4'-hydroxyphenyl)-1-phenyl-3-heptanone (2c), and (±)-5-hydroxy-1,7- bis(phenyl)-3-heptanone (2d) have been synthesized to study the structure- activity relationship regarding digestibility inhibition in vitro in cow rumen fluid. The activities were compared with the activity of chiral (S)-2a and its glucoside platyphylloside (1), isolated from Betula pendula. Compound 2a was slightly less active, 2b and 2c were more active, and 2d was less active than (S)-2a and platyphylloside.

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