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1152809-43-2

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1152809-43-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1152809-43-2 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 3 respectively.
Calculate Digit Verification of CAS Registry Number 1152809-43:
(9*1)+(8*1)+(7*5)+(6*2)+(5*8)+(4*0)+(3*9)+(2*4)+(1*3)=142
142 % 10 = 2
So 1152809-43-2 is a valid CAS Registry Number.

1152809-43-2Relevant articles and documents

Imidazole diarylethene switches: An alternative to acid-gated photochromism

Jiang, Yue,Li, Meng-Lian,Xiong, Kang-Tai,Xu, Hai-Bing,Zeng, Ming-Hua

supporting information, p. 8061 - 8067 (2020/06/10)

We prepared five diarylethenes containing 2-aryl-imidazole as the ethene bridge (L1-L5), and introduced response sites in imidazole rather than in the traditional appended aryl units to regulate their photochromism and thermal stability under acid stimulus. The results show that we can change the thermal stability from P- to T-type, and prevent their photoactivity by acidification, and it is clarified that the stronger the acid or the more acid added, the faster the decay rate of the diarylethene photostability. Furthermore, the prohibited photoactivity could be restored by neutralization with an equimolar amount of base.

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