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18073-21-7

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18073-21-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 18073-21-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,0,7 and 3 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 18073-21:
(7*1)+(6*8)+(5*0)+(4*7)+(3*3)+(2*2)+(1*1)=97
97 % 10 = 7
So 18073-21-7 is a valid CAS Registry Number.

18073-21-7Downstream Products

18073-21-7Relevant articles and documents

Design, synthesis, DNA binding studies and evaluation of anticancer potential of novel substituted biscarbazole derivatives against human glioma U87 MG cell line

Kumar, Nitin,Lal, Neetika,Nemaysh, Vishal,Luthra, Pratibha Mehta

, (2020/06/04)

In this research paper, we report the design and synthesis of novel substituted biscarbazole derivatives which were characterized by 1H and 13C NMR, high resolution mass spectroscopy (HRMS). The SAR study of the compounds is reported

Efficient microwave-assisted synthesis of ellipticine through N-(1,4-dimethyl-9h-carbazol-3-ylmethyl)-n-tosylaminoacetaldehyde diethyl acetal

Lee, Hsueh-Yun,Chen, Grace Shiahuy,Chen, Chien-Shu,Cherna, Ji-Wang

scheme or table, p. 454 - 458 (2010/06/19)

The long-lasting problematic low yield in the D-ring cyclization of ellipticine (1a) was dramatically improved through N-(1,4-dimethylcarbazol-3- ylmethyl)-N-tosylaminoacetaldehyde diethyl acetal with microwave irradiation. The overall yield of 1a starting from indole was significantly increased by 25-fold. This new approach is superior to reported methods in yields and, reaction time, and it provides efficient access to a broad spectrum of ellipticine derivatives.

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