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54672-13-8

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54672-13-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 54672-13-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,6,7 and 2 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 54672-13:
(7*5)+(6*4)+(5*6)+(4*7)+(3*2)+(2*1)+(1*3)=128
128 % 10 = 8
So 54672-13-8 is a valid CAS Registry Number.

54672-13-8Relevant articles and documents

Transition metal-free direct C–H trifluoromethyltion of (hetero)arenes with Togni's reagent

Chen, Xiaoyu,Ding, Licheng,Li, Linlin,Li, Jingya,Zou, Dapeng,Wu, Yangjie,Wu, Yusheng

supporting information, (2019/12/30)

A new transition-metal-free direct C–H trifluoromethylation reaction of (hetero)arenes with Togni's reagent was developed. This transformation proceeded smoothly under mild conditions and exhibited good tolerance of many synthetically relevant functional groups. It provided an alternative approach for the synthesis of trifluoromethylated (hetero)arenes.

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