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131559-52-9

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131559-52-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 131559-52-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,5,5 and 9 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 131559-52:
(8*1)+(7*3)+(6*1)+(5*5)+(4*5)+(3*9)+(2*5)+(1*2)=119
119 % 10 = 9
So 131559-52-9 is a valid CAS Registry Number.

131559-52-9Downstream Products

131559-52-9Relevant academic research and scientific papers

KAEMPFEROL GLYCOSIDES FROM HOSTA VENTRICOSA

Budzianowski, Jaromir

, p. 3643 - 3647 (1990)

Leaves of Hosta ventricosa yielded eight kaempferol glycosides, of which six: the 3-(2G-glucosylrutinoside)-7-glucoside, 3-sophoroside-7-glucoside, 3-rutinoside-7-glucoside, 3-(2G-glucosylrutinoside), 3-sophoroside, 3-rutinoside were fully characterized and two: 3-xylosylrutinoside-7-glucoside and 3-xylosylrutinoside were tentatively identified.Investigations included 1H-1H-COSY and 1H-1H 2D J NMR analysis.

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