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1422191-72-7

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1422191-72-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1422191-72-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,2,1,9 and 1 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1422191-72:
(9*1)+(8*4)+(7*2)+(6*2)+(5*1)+(4*9)+(3*1)+(2*7)+(1*2)=127
127 % 10 = 7
So 1422191-72-7 is a valid CAS Registry Number.

1422191-72-7Downstream Products

1422191-72-7Relevant articles and documents

Synthesis and photophysical properties of thiolactone derivatives

Liu, Huan-Huan,Chen, Yi

, p. 1872 - 1876 (2013/03/13)

A class of bis-thiolactone derivatives is prepared by photo-conversion of photochromic diarylethenes with a bis (5-chloro-2-methylthiophen-3-yl) system in moderate yields (50-60%). Bis-thiolactone derivatives show fluorescence in solution with moderate fluorescent quantum yields (0.11-0.17). Reaction mechanism exhibits that the photo-conversion of diarylethenes to bis-thiolactone derivatives undergoes a two-step reaction: photocyclization and photo-oxidation.

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