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1554-56-9

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1554-56-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1554-56-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,5,5 and 4 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1554-56:
(6*1)+(5*5)+(4*5)+(3*4)+(2*5)+(1*6)=79
79 % 10 = 9
So 1554-56-9 is a valid CAS Registry Number.

1554-56-9Downstream Products

1554-56-9Relevant articles and documents

Fluorine as a robust balancer for tuning the reactivity of topo-photoreactions of chalcones and the photomechanical effects of molecular crystals

Gao, Hongqiang,Lu, Ran,Shu, Yuanhong,Sun, Jingbo,Wang, Haoran,Yang, Xiqiao,Ye, Kaiqi,Yue, Yuan,Zhong, Jiangbin

, p. 5856 - 5868 (2021/09/08)

Fluorine-free chalcones and chalcones bearing different numbers of fluorine atoms have been synthesized. It is found that fluorine can tune the reactivity of photo-induced [2 + 2] cycloaddition reactions in crystals. The higher the number of fluorine atom

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