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Thiophene, 3-bromo-5-[2-(methoxymethoxy)phenyl]-2,4-dimethyl- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

440671-13-6

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440671-13-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 440671-13-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,0,6,7 and 1 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 440671-13:
(8*4)+(7*4)+(6*0)+(5*6)+(4*7)+(3*1)+(2*1)+(1*3)=126
126 % 10 = 6
So 440671-13-6 is a valid CAS Registry Number.

440671-13-6Relevant academic research and scientific papers

Photochromic films prepared by oxidation polymerization of a diarylethene having phenol moieties

Uchida, Kingo,Takata, Atsushi,Nakamura, Shinichiro,Irie, Masahiro

, p. 476 - 477 (2002)

Photochromic films containing diarylethene chromophores were prepared by oxidation polymerization of a diarylethene having phenol moieties. Upon alternate irradiation with UV and visible light, the polymer films exhibited coloration/decoloration cycles. The films were amorphous and kept the state after one year storage at room temperature.

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