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32498-74-1

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32498-74-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 32498-74-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,2,4,9 and 8 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 32498-74:
(7*3)+(6*2)+(5*4)+(4*9)+(3*8)+(2*7)+(1*4)=131
131 % 10 = 1
So 32498-74-1 is a valid CAS Registry Number.

32498-74-1Relevant articles and documents

Catalytic Enantioselective Synthesis and Switchable Chiroptical Property of Inherently Chiral Macrocycles

Tong, Shuo,Li, Jiang-Tao,Liang, Dong-Dong,Zhang, Yan-E,Feng, Qi-Yun,Zhang, Xin,Zhu, Jieping,Wang, Mei-Xiang

supporting information, p. 14432 - 14436 (2020/10/13)

We report herein a strategy to construct enantiopure inherently chiral macrocycles, ABCD-type heteracalix[4]aromatics, through a catalytic enantioselective intramolecular C-N bond forming reaction. A chiral ligand-palladium complex was found to efficiently induce the inherent chirality of molecules during the macrocyclization process with ee values up to >99%. The resulting ABCD-type heteracalix[4]aromatics displayed excellent and pH-triggered switchable electronic circular dichroism and circularly polarized luminescence properties.

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