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39863-09-7

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39863-09-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 39863-09-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,9,8,6 and 3 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 39863-09:
(7*3)+(6*9)+(5*8)+(4*6)+(3*3)+(2*0)+(1*9)=157
157 % 10 = 7
So 39863-09-7 is a valid CAS Registry Number.

39863-09-7Relevant articles and documents

POSITIVE RESIST COMPOSITION AND PATTERNING PROCESS

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, (2010/04/23)

A positive resist composition comprises (A) a resin component which becomes soluble in an alkaline developer under the action of an acid and (B) an acid generator. The resin (A) is a polymer comprising recurring units containing a non-leaving hydroxyl group represented by formula (1) wherein R1 is H, methyl or trifluoromethyl, X is a single bond or methylene, m is 1 or 2, and the hydroxyl group attaches to a secondary carbon atom. The composition is improved in resolution when processed by lithography.

Drug synthesis studies on sulfones.

BUECHI,FUEEG

, p. 283 - 295 (2007/10/15)

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