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1440430-22-7

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1440430-22-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1440430-22-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,4,0,4,3 and 0 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1440430-22:
(9*1)+(8*4)+(7*4)+(6*0)+(5*4)+(4*3)+(3*0)+(2*2)+(1*2)=107
107 % 10 = 7
So 1440430-22-7 is a valid CAS Registry Number.

1440430-22-7Downstream Products

1440430-22-7Relevant academic research and scientific papers

Thermal induced intramolecular [2 + 2] cycloaddition of allene-ACPs

Chen, Kai,Sun, Run,Xu, Qin,Wei, Yin,Shi, Min

, p. 3949 - 3953 (2013/07/05)

A facile synthetic method for preparation of bicyclo[4.2.0] nitrogen heterocycles has been developed via a thermal induced intramolecular [2 + 2] cycloaddition reaction of allene-ACPs. The DFT calculations indicate that this intramolecular cycloaddition proceeds in a concerted manner and a strained small ring is essential. The Royal Society of Chemistry 2013.

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