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1234177-52-6

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1234177-52-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1234177-52-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,4,1,7 and 7 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1234177-52:
(9*1)+(8*2)+(7*3)+(6*4)+(5*1)+(4*7)+(3*7)+(2*5)+(1*2)=136
136 % 10 = 6
So 1234177-52-6 is a valid CAS Registry Number.

1234177-52-6Downstream Products

1234177-52-6Relevant articles and documents

Magnetically recyclable CuFe2O4 catalyst for efficient synthesis of bis(indolyl)methanes using indoles and alcohols under mild condition

Bui, Hoang Yen,Dang, Tuan Thanh,Ha, Minh-Tuan,Hung, Tran Quang,Nguyen, Ngoc-Khanh,Nguyen, Van Tuyen,Tran, Bich Ngoc,Trinh, Quang Thang,Vu, Xuan Hoan

, (2021)

Bis(3-indolyl)methanes (BIM) are highly valuable and appear in the core structure of many natural products and pharmacologically active compounds (anticancer, anti-inflammatory, antiobesity, antimetastatic, antimicrobial, etc.). Herein, we have disclosed

Graphene oxide: An efficient recyclable solid acid for the synthesis of bis(indolyl)methanes from aldehydes and indoles in water

Wang, Yihong,Sang, Rui,Zheng, Yang,Guo, Li,Guan, Mei,Wu, Yong

, p. 138 - 142 (2016/11/19)

An efficient synthesis of bis(indolyl)methanes from aldehydes with indoles through graphene oxide -catalyzed Friedel-Crafts alkylation is developed. The reaction proceeds in water by using graphene oxide as the single catalyst to provide the desired products in good to excellent yields. Also, this methodology has a broad substrate scope, and is environment friendly and cost economic.

CuBr-catalyzed selective oxidation of N-azomethine: Highly efficient synthesis of methine-bridged bis-indole compounds

Yang, Jianguo,Wang, Zhijing,Pan, Fuyou,Li, Yongmin,Bao, Weiliang

experimental part, p. 2975 - 2978 (2010/09/06)

An efficient CuBr catalyzed cleavage of C-N bonds in the oxidative cross-dehydrogenative-coupling (CDC) of N-benzyl amines with indoles mediated by tert-butyl hydroperoxide (TBHP) was reported. A series of methine-bridged bis-indole derivatives were successfully synthesized under the optimized reaction conditions.

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