Cas 1258196-72-3,(2-(benzyloxy)phenyl)(2,4,5-trimethoxyphenyl)methanone

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Check Digit Verification of cas no

The CAS Registry Mumber 1258196-72-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,8,1,9 and 6 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1258196-72:
(9*1)+(8*2)+(7*5)+(6*8)+(5*1)+(4*9)+(3*6)+(2*7)+(1*2)=183
183 % 10 = 3
So 1258196-72-3 is a valid CAS Registry Number.

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1258196-72-3Relevant articles and documents

CAN-mediated oxidations for the synthesis of xanthones and related products

Johnson, Myron M.,Naidoo, Jeremy M.,Fernandes, Manuel A.,Mmutlane, Edwin M.,Van Otterlo, Willem A. L.,De Koning, Charles B.

supporting information; experimental part, p. 8701 - 8704 (2011/02/26)

Reaction of (2,4,5-trimethoxyphenyl)(2-hydroxyphenyl)methanone with ceric ammonium nitrate furnished the xanthone, 2,3-dimethoxy-9H-xanthen-9-one. Under the same conditions the related (1,4-dimethoxynaphthalen-2-yl)(2-hydroxyphenyl) methanone resulted in the formation of 12a-methoxy-5H-benzo[c]xanthenes 5,7(12aH)-dione. Other examples of this novel transformation are also outlined.

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1258196-72-3