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64088-81-9

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64088-81-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 64088-81-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,0,8 and 8 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 64088-81:
(7*6)+(6*4)+(5*0)+(4*8)+(3*8)+(2*8)+(1*1)=139
139 % 10 = 9
So 64088-81-9 is a valid CAS Registry Number.

64088-81-9Relevant articles and documents

An expedient large-scale preparation of a dibenz[b,e]oxepinone derivative

Lee, Thomas B.K.,Tebben, Andrew J.,Weiberth, Franz J.,Wong, George S.K.

, p. 747 - 751 (2007/10/03)

A convenient, large-scale synthesis of a dibenz[b,e]oxepinone derivative is described. The dibenz[-b,e]oxepinone ring system is constructed using an iron chloride catalyzed intramolecular Friedel-Crafts cyclization of an appropriate phenoxymethylbenzoic acid chloride in toluene, reagents and conditions that are economically and environmentally compatible with large- scale preparation.

Method of treating dermal inflammations

-

, (2008/06/13)

A method of treating dermal inflammation by topically administering to a patient an effective amount of a 6,11-dihydrodibenz[b,e]oxepinalkanoic acid, physiologically tolerable salt thereof, derivative thereof, or diacid precursor thereof is described.

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