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1152809-44-3

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1152809-44-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1152809-44-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,5,2,8,0 and 9 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1152809-44:
(9*1)+(8*1)+(7*5)+(6*2)+(5*8)+(4*0)+(3*9)+(2*4)+(1*4)=143
143 % 10 = 3
So 1152809-44-3 is a valid CAS Registry Number.

1152809-44-3Downstream Products

1152809-44-3Relevant 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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