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66232-40-4

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66232-40-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 66232-40-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,2,3 and 2 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 66232-40:
(7*6)+(6*6)+(5*2)+(4*3)+(3*2)+(2*4)+(1*0)=114
114 % 10 = 4
So 66232-40-4 is a valid CAS Registry Number.

66232-40-4Relevant articles and documents

SUBSTITUTED FUSED PYRIMIDINONE COMPOUNDS

-

Page/Page column 34; 35, (2017/12/15)

Provided herein are novel fused pyrimidinone derivatives of Formula (I) and synthetic intermediates that are useful in preparing the compounds of formula (I). Further provided herein is a method for preparation of a compound of formula (I) or intermediate

One-pot multicomponent synthesis of medicinally important purine quinazolinone derivatives

Sawant, Sanghapal D.,Srinivas, Mahesuni,Reddy, G.Lakshma,Rao, V.Venkateswar,Singh, Parvinder Pal,Vishwakarma, Ram A.

supporting information, p. 6195 - 6198 (2013/01/14)

Herein, a protocol that involves microwave-assisted, multicomponent one-pot synthetic strategy for the construction of the medicinally important purine quinazolinone scaffold is reported. A series of compounds are prepared by cyclization and condensation

Synthesis and antitumor activity of fused quinoline derivatives. V. Methylindolo[3,2-b]quinolines

Takeuchi, Yasuo,Kitaomo, Masayuki,Chang, Ming-Rong,Shirasaka, Shota,Shimamura, Chinami,Okuno, Yumiko,Yamato, Masatoshi,Harayama, Takashi

, p. 2096 - 2099 (2007/10/03)

Indolo[3,2-b]quinoline derivatives (1b-i) with a methyl group at each possible position have been synthesized. The 1-methyl (1b) and 9-methyl (1i) derivatives were inactive, but the 3-methyl (1d), 4-methyl (1e), and 6- methyl (1f) derivatives exhibited high treatment/control (T/C) value and cure rates against leukemia P388 in mice. These results indicated that modification of indolo[3,2-b]quinoline derivatives at 3, 4, and 6 positions may be useful approach for lead optimization.

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