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127220-93-3

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127220-93-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 127220-93-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,7,2,2 and 0 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 127220-93:
(8*1)+(7*2)+(6*7)+(5*2)+(4*2)+(3*0)+(2*9)+(1*3)=103
103 % 10 = 3
So 127220-93-3 is a valid CAS Registry Number.

127220-93-3Downstream Products

127220-93-3Relevant articles and documents

Palladium-catalyzed monoarylation of arylhydrazines with aryl tosylates

Huang, Yange,Choy, Pui Ying,Wang, Junya,Tse, Man-Kin,Raymond Wai-Yin Sun,Albert Sun-Chi Chan,Kwong, Fuk Yee

, p. 14664 - 14673 (2020)

A palladium-catalyzed C-N bond coupling reaction between arylhydrazines and aryl tosylates for facile synthesis of unsymmetrical N,N-diarylhydrazines has been developed. Employing the catalyst system of Pd(TFA)2 associated with newly developed phosphine ligand L1, the monoarylation of arylhydrazine proceeds smoothly to afford desired products in good-to-excellent yields (up to 95%) with good functional group compatibility. This method provides an alternative synthetic pathway for accessing structurally diversified N,N-diarylhydrazines from simple and easily accessible coupling components.

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