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1267652-31-2

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1267652-31-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1267652-31-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,7,6,5 and 2 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1267652-31:
(9*1)+(8*2)+(7*6)+(6*7)+(5*6)+(4*5)+(3*2)+(2*3)+(1*1)=172
172 % 10 = 2
So 1267652-31-2 is a valid CAS Registry Number.

1267652-31-2Relevant articles and documents

NEAR-INFRARED ABSORBING FILM COMPOSITIONS

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Page/Page column 29, (2011/04/13)

A curable liquid formulation containing at least (i) one or more near-infrared absorbing triphenylamine -based dyes, and (ii) one or more casting solvents. The invention is also directed to solid near- infrared absorbing films composed of crosslinked forms of the curable liquid formulation. The invention is also directed to a microelectronic substrate containing a coating of the solid near-infrared absorbing film as well as a method for patterning a photoresist layer coated on a microelectronic substrate in the case where the near-infrared absorbing film is between the microelectronic substrate and a photoresist film.

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