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134081-85-9

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134081-85-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 134081-85-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,0,8 and 1 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 134081-85:
(8*1)+(7*3)+(6*4)+(5*0)+(4*8)+(3*1)+(2*8)+(1*5)=109
109 % 10 = 9
So 134081-85-9 is a valid CAS Registry Number.

134081-85-9Relevant articles and documents

Syntheses of 5,7,8- and 5,6,7-Trioxygenated 3-Alkyl-3',4'-dihydroxyflavones and Their Inhibitory Activities against Arachidonate 5-Lipoxygenase

Horie, Tokunaru,Tominaga, Hideaki,Kawamura, Yasuhiko,Hada, Takahiko,Ueda, Natsuo,et al.

, p. 2169 - 2176 (2007/10/02)

5,6,7- and 5,7,8-Trioxygenated 3',4'-dihydroxyflavones were derivatized by introducing alkyl groups of various chain lengths at the 3-position of the flavone skeleton.These compounds were tested as inhibitors for arachidonate 5-lipoxygenase purified from

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