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4-nitrobenzo[b]thiophene-2-sulfonyl chloride is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1259425-99-4

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1259425-99-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1259425-99-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,9,4,2 and 5 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1259425-99:
(9*1)+(8*2)+(7*5)+(6*9)+(5*4)+(4*2)+(3*5)+(2*9)+(1*9)=184
184 % 10 = 4
So 1259425-99-4 is a valid CAS Registry Number.

1259425-99-4Downstream Products

1259425-99-4Relevant academic research and scientific papers

FLUORINE-FREE FUSED RING HETEROAROMATIC PHOTOACID GENERATORS AND RESIST COMPOSITIONS CONTAINING THE SAME

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Paragraph 0092, (2013/03/26)

The present invention relates to a fluorine-free photoacid generator (PAG) and a photoresist composition containing the same. The PAG is characterized by the presence of an onium cationic component and a fluorine-free fused ring heteroaromatic sulfonate anionic component containing one or more electron withdrawing substituents. The onium cationic component of the PAG is preferably a sulfonium or an iodonium cation. The photoresist composition further contains an acid sensitive imaging polymer. The photoresist composition is especially useful for forming material patterns on a semiconductor substrate using 193 nm (ArF) lithography.

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