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3-Butyn-2-ol, 4-[4-[bis[4-[[4-(dimethylamino)phenyl]ethynyl]-2,3,5,6-tetramethylphenyl] boryl]-2,3,5,6-tetramethylphenyl]-2-methyl- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

571187-33-2

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571187-33-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 571187-33-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,7,1,1,8 and 7 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 571187-33:
(8*5)+(7*7)+(6*1)+(5*1)+(4*8)+(3*7)+(2*3)+(1*3)=162
162 % 10 = 2
So 571187-33-2 is a valid CAS Registry Number.

571187-33-2Relevant academic research and scientific papers

A colorimetric and ratiometric fluorescent chemosensor with three emission changes: Fluoride ion sensing by a triarylborane-porphyrin conjugate

Kubo, Yohei,Yamamoto, Masashi,Ikeda, Masato,Takeuchi, Masayuki,Shinkai, Seiji,Yamaguchi, Shigehiro,Tamao, Kohei

, p. 2036 - 2040 (2007/10/03)

Perturbation in the energy-transfer pathway and of the π conjugation between the chromophores in a triarylborane-porphyrin conjugate on coordination of a fluoride ion to the boron center is assumed to account for the observation of the three emission bands (at 356, 670, and 692 nm). The system also displays a colorimetric (purple to green, see picture, and red to bluish emission) response to fluoride ions.

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