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13440-76-1

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13440-76-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 13440-76-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,4,4 and 0 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 13440-76:
(7*1)+(6*3)+(5*4)+(4*4)+(3*0)+(2*7)+(1*6)=81
81 % 10 = 1
So 13440-76-1 is a valid CAS Registry Number.

13440-76-1Relevant articles and documents

Chromene compound

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Paragraph 0170-0171, (2016/12/07)

PROBLEM TO BE SOLVED: To provide a chromene compound having little discoloration in a non-irradiation state.SOLUTION: This chromene compound is represented by general formula (1) {in the formula, Ris an alkyl group; Rand Rare each independently a hydrogen atom, an alkyl group or an alkoxy group; Rand Rare each independently a hydrogen atom or the like; Rand Rare each independently a hydroxy group or the like; Rand Rare each independently an aryl group or the like; Z is a divalent group selected from an alkylene group, a cycloalkylene group or an arylene group; a is an integer of 0-2; and b is an integer of 0-4}.

MONOCYCLIC CYANOENONES AND METHODS OF USE THEREOF

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Page/Page column 107-109, (2010/04/03)

The present invention features monocyclic cyanoenone compositions and methods for using the same in the treatment of diseases such as cancer, inflammatory diseases and neurodegenerative diseases.

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