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1261527-54-1

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1261527-54-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1261527-54-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,1,5,2 and 7 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1261527-54:
(9*1)+(8*2)+(7*6)+(6*1)+(5*5)+(4*2)+(3*7)+(2*5)+(1*4)=141
141 % 10 = 1
So 1261527-54-1 is a valid CAS Registry Number.

1261527-54-1Downstream Products

1261527-54-1Relevant articles and documents

Copper-Catalyzed Domino Three-Component Approach for the Assembly of 2-Aminated Benzimidazoles and Quinazolines

Tran, Lam Quang,Li, Jihui,Neuville, Luc

, p. 6102 - 6108 (2015/06/30)

A copper-promoted three-component synthesis of 2-aminobenzimidazoles (1) or of 2-aminoquinazolines (2) involving cyanamides, arylboronic acids, and amines has been developed. The operationally simple oxidative process, performed in the presence of K2

Copper(II) acetate/oxygen-mediated nucleophilic addition and intramolecular C-H activation/C-N or C-C bond formation: One-pot synthesis of benzimidazoles or quinazolines

He, Hua-Feng,Wang, Zhi-Jing,Bao, Weiliang

supporting information; experimental part, p. 2905 - 2912 (2010/12/29)

Diarylcarbodiimides or benzylphenylcarbodiimides are converted to 1,2-disubstituted benzimidazoles or 1,2-disustituted quinazolines via addition/intramolecular C-H bond activation/C-N or C-C bond forming reaction using copper(II) acetate/oxygen [Cu(OAc)2/O2] as the oxidant at 100°C in one-pot cascade procedure. Copyright

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