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404869-97-2

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404869-97-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 404869-97-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,4,8,6 and 9 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 404869-97:
(8*4)+(7*0)+(6*4)+(5*8)+(4*6)+(3*9)+(2*9)+(1*7)=172
172 % 10 = 2
So 404869-97-2 is a valid CAS Registry Number.

404869-97-2Upstream product

404869-97-2Downstream Products

404869-97-2Relevant articles and documents

Synthesis of 2,5-disubstitued benzimidazole using SnCl2- catalyzed reduction system at room temperature

Duan, Li-Ping,Li, Qiang,Wu, Ning-Bo,Xu, Dong-Fang,Zhang, Hao-Bing

, p. 155 - 158 (2014)

Stannous chloride dihydrate is used as an efficient catalyst in reductive cyclization of 2-nitro-5-substituted aniline Schiff base leading to stable 2,5-disubstitued benzimidazole derivatives in excellent yields with good purity. It provides a novel method of synthesis of 2,5-disubstitued benzimidazole under reductive system at room temperature.

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