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4-(4-hydroxyphenyl)-4'-hydroxydiphenyl sulfone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

157689-62-8

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157689-62-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 157689-62-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,6,8 and 9 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 157689-62:
(8*1)+(7*5)+(6*7)+(5*6)+(4*8)+(3*9)+(2*6)+(1*2)=188
188 % 10 = 8
So 157689-62-8 is a valid CAS Registry Number.

157689-62-8Downstream Products

157689-62-8Relevant academic research and scientific papers

OPTICAL ELEMENT COMPOUND, OPTICAL MATERIAL, AND OPTICAL ELEMENT

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, (2011/12/12)

An optical material organic compound having characteristics that the dispersion characteristic (Abbe number (νd)) and the secondary dispersion characteristic (θg,F) of the refractive index are high, the transmittance in the visible light region is high, and the chromatic aberration correction function delivers high performance, which represented by the general formula (1) or (2) is provided.

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