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459157-64-3

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459157-64-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 459157-64-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,5,9,1,5 and 7 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 459157-64:
(8*4)+(7*5)+(6*9)+(5*1)+(4*5)+(3*7)+(2*6)+(1*4)=183
183 % 10 = 3
So 459157-64-3 is a valid CAS Registry Number.

459157-64-3Downstream Products

459157-64-3Relevant articles and documents

A short synthesis of quinazolinocarboline alkaloids rutaecarpine, hortiacine, euxylophoricine A and euxylophoricine D from methyl N-(4-chloro-5H-1,2,3-dithiazol-5-ylidene)anthranilates

Mohanta, Pramod K.,Kim, Kyongtae

, p. 3993 - 3996 (2002)

Reactions of methyl N-(4-chloro-5H-1,2,3-dithiazol-5-ylidene)anthranilates with tryptamine at room temperature produced 2-cyano-3-[2-(indol-3-yl)ethyl]-4(3H)-quinazolinones, which underwent cyclization on heating with TFAA/HCl(g) to afford quinazolinocarboline alkaloids rutaecarpine (1a), hortiacine (1b), euxylophoricine A (1c) and euxylophoricine D (1d) in excellent yields.

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