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cyclopentanone-(3-nitro-phenylhydrazone) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

398998-44-2

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398998-44-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 398998-44-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,9,8,9,9 and 8 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 398998-44:
(8*3)+(7*9)+(6*8)+(5*9)+(4*9)+(3*8)+(2*4)+(1*4)=252
252 % 10 = 2
So 398998-44-2 is a valid CAS Registry Number.

398998-44-2Relevant academic research and scientific papers

Efficient synthesis of indoles using [3,3]-sigmatropic rearrangement of N-trifluoroacetyl enehydrazines

Miyata, Okiko,Takeda, Norihiko,Kimura, Yasuo,Takemoto, Yoshiji,Tohnai, Norimitsu,Miyata, Mikiji,Naito, Takeaki

, p. 3629 - 3647 (2007/10/03)

[3,3]-Sigmatropic rearrangement of N-trifluoroacetyl enehydrazines provides a novel method for the construction of indoles. N-Trifluoroacetyl enehydrazine having a cyclopentene ring smoothly underwent [3,3]-sigmatropic rearrangement followed by cyclizatio

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