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681258-74-2

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681258-74-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 681258-74-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,1,2,5 and 8 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 681258-74:
(8*6)+(7*8)+(6*1)+(5*2)+(4*5)+(3*8)+(2*7)+(1*4)=182
182 % 10 = 2
So 681258-74-2 is a valid CAS Registry Number.

681258-74-2Downstream Products

681258-74-2Relevant articles and documents

BOTTOM ANTI-REFLECTIVE COATINGS DERIVED FROM SMALL CORE MOLECULES WITH MULTIPLE EPOXY MOIETIES

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Paragraph 0030, (2013/03/26)

Novel anti-reflective coatings comprising small molecules (e.g., less than about 5,000 g/mole) in lieu of high molecular weight polymers and methods of using those coatings are provided. In one embodiment, aromatic carboxylic acids are used as the chromophores, and the resulting compounds are blended with a crosslinking agent and an acid. Anti-reflective coating films prepared according to the invention exhibit improved properties compared to high molecular weight polymeric anti-reflective coating films. The small molecule anti-reflective coatings have high etch rates and good via fill properties. Photolithographic processes carried out with the inventive material result in freestanding, 110-nm profiles.

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