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1033053-68-7

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1033053-68-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1033053-68-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,3,3,0,5 and 3 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1033053-68:
(9*1)+(8*0)+(7*3)+(6*3)+(5*0)+(4*5)+(3*3)+(2*6)+(1*8)=97
97 % 10 = 7
So 1033053-68-7 is a valid CAS Registry Number.

1033053-68-7Downstream Products

1033053-68-7Relevant articles and documents

Pyrazole synthesis via a cascade Sonogashira coupling/cyclization of N-propargyl sulfonylhydrazones

Yang, Ying,Hu, Zi-Lin,Li, Ren-Hao,Chen, Yi-Hui,Zhan, Zhuang-Ping

supporting information, p. 197 - 201 (2018/01/17)

An efficient approach for the preparation of pyrazoles via a Pd(ii)/Cu(i)-catalyzed Sonogashira coupling/cyclization of N-propargyl sulfonylhydrazones has been established. In this study, we firstly report the strategic use of a Sonogashira reaction to co

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