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889129-34-4

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889129-34-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 889129-34-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,8,9,1,2 and 9 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 889129-34:
(8*8)+(7*8)+(6*9)+(5*1)+(4*2)+(3*9)+(2*3)+(1*4)=224
224 % 10 = 4
So 889129-34-4 is a valid CAS Registry Number.

889129-34-4Downstream Products

889129-34-4Relevant articles and documents

Ruthenium-catalyzed synthesis of: N -substituted lactams by acceptorless dehydrogenative coupling of diols with primary amines

Zheng, Yanling,Nie, Xufeng,Long, Yang,Ji, Li,Fu, Haiyan,Zheng, Xueli,Chen, Hua,Li, Ruixiang

supporting information, p. 12384 - 12387 (2019/10/19)

Herein, we report the first example of synthesis of N-substituted lactams via an acceptorless dehydrogenative coupling of diols with primary amines in one step, which was enabled by combining Ru3(CO)12 with a hybrid N-heterocyclic carbene-phosphine-phosphine ligand as the catalyst.

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