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1628224-54-3

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1628224-54-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1628224-54-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,2,8,2,2 and 4 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1628224-54:
(9*1)+(8*6)+(7*2)+(6*8)+(5*2)+(4*2)+(3*4)+(2*5)+(1*4)=163
163 % 10 = 3
So 1628224-54-3 is a valid CAS Registry Number.

1628224-54-3Relevant articles and documents

Organocatalytic stereoselective synthesis of 3-alkyl-3-hydroxy-2-oxindoles catalyzed by novel water-compatible axially unfixed biaryl-based bifunctional organocatalysts

Zhao, Hongwu,Meng, Wei,Yang, Zhao,Tian, Ting,Sheng, Zhihui,Li, Hailong,Song, Xiuqing,Zhang, Yutong,Yang, Sen,Li, Bo

, p. 417 - 428 (2014/06/10)

In this work, six novel axially unfixed biaryl-based water-compatible bifunctional organocatalysts were designed and synthesized for the organocatalytic access to a variety of 3-alkyl-3-hydroxy-2-oxindole derivatives via aldol reactions in water. Organoca

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