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128225-08-1

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128225-08-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128225-08-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,2,2 and 5 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 128225-08:
(8*1)+(7*2)+(6*8)+(5*2)+(4*2)+(3*5)+(2*0)+(1*8)=111
111 % 10 = 1
So 128225-08-1 is a valid CAS Registry Number.

128225-08-1Relevant articles and documents

A simple and clean procedure for the synthesis of polyhydroacridine and quinoline derivatives: Reaction of Schiff base with 1,3-dicarbonyl compounds in aqueous medium

Wang, Xiang-Shan,Zhang, Mei-Mei,Zeng, Zhao-Sen,Shi, Da-Qing,Tu, Shu-Jiang,Wei, Xian-Yong,Zong, Zhi-Min

, p. 7169 - 7173 (2005)

A clean and simple synthesis of benzo[c]acridine, benzo[a]acridine, pyrido[2,3-c]acridine and benzo[f]quinoline derivatives was accomplished in good to excellent yields via the reaction of Schiff base with 1,3-dicarbonyl compounds in aqueous medium catalyzed by TEBA. The structures were characterized by 1H NMR, IR and elemental analysis, and confirmed by X-ray diffraction study.

The first example of glucose-containing Br?nsted acid synthesis and catalysis: Efficient synthesis of tetrahydrobenzo[α]xanthens and tetrahydrobenzo[α]acridines in water

Wan, Yu,Zhang, Xiao-Xiao,Wang, Chao,Zhao, Ling-Ling,Chen, Liang-Feng,Liu, Gui-Xiang,Huang, Shu-Ying,Yue, Shu-Ning,Zhang, Wen-Li,Wu, Hui

, p. 3947 - 3950 (2013/07/05)

Glucose sulfonic acid (GSA) was synthesized for the first time and used as an efficient catalyst for the preparation of tetrahydrobenzo[α]xanthens and tetrahydrobenzo[α]acridines via the reaction of aromatic aldehydes, 2-naphthol (or β-naphthylamine), and

A clean synthesis of polyhydroacridine and indenoquinoline derivatives catalyzed by triethylbenzylammonium chloride in aqueous media

Wang, Xiang-Shan,Zhang, Mei-Mei,Zeng, Zhao-Sen,Shi, Da-Qing,Tu, Shu-Jiang,Wei, Xian-Yong,Zong, Zhi-Min

, p. 989 - 995 (2007/10/03)

An efficient and convenient synthesis of benzo[a]acridines and indeno[1,2-b]benzo[f]quinolines was achieved in high yields by the reaction of N-arylidenenaphthalen-2-amine with 1,3-dicarbonyl compounds catalyzed with triethylbenzylammmonium chloride (TEBA

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