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159119-07-0

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159119-07-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 159119-07-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,9,1,1 and 9 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 159119-07:
(8*1)+(7*5)+(6*9)+(5*1)+(4*1)+(3*9)+(2*0)+(1*7)=140
140 % 10 = 0
So 159119-07-0 is a valid CAS Registry Number.

159119-07-0Downstream Products

159119-07-0Relevant articles and documents

Synthesis of Naturally Occurring 5-Hydroxy-7,2',4',5'tetramethoxyflavone and Related Compounds

Anthoni, Uffe,Christophersen, Carsten,Nielsen, Per H.

, p. 357 - 360 (2007/10/02)

The synthesis of the title compound is described starting from 2,4,6-trihydroxyacetophenone and 2,4,5-trimethoxybenzoyl chloride.In addition 5,7-dihydroxy-2',4',5'-trimethoxyflavone, 5-hydroxy-6-methyl-7,2',4',5'-tetramethoxyflavone, 5,7,2',4',5'-pentamethoxyflavone and 8-methyl-5,7-2',4',5'-pentamethoxyflavone were prepared and characterized.

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