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540797-44-2

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540797-44-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 540797-44-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,4,0,7,9 and 7 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 540797-44:
(8*5)+(7*4)+(6*0)+(5*7)+(4*9)+(3*7)+(2*4)+(1*4)=172
172 % 10 = 2
So 540797-44-2 is a valid CAS Registry Number.

540797-44-2Relevant articles and documents

Chiral Bifunctional Phosphine-Carboxylate Ligands for Palladium(0)-Catalyzed Enantioselective C?H Arylation

Yang, Lei,Neuburger, Markus,Baudoin, Olivier

supporting information, p. 1394 - 1398 (2018/01/05)

Previous enantioselective Pd0-catalyzed C?H activation reactions proceeding via the concerted metalation-deprotonation mechanism employed either a chiral ancillary ligand, a chiral base, or a bimolecular mixture thereof. This study describes th

Synthesis of 5,6-dihydrophenanthridines via N,O-acetal TMS ethers

Lee, Won-Il,Jung, Jong-Wha,Jang, Jaebong,Yun, Hwayoung,Suh, Young-Ger

, p. 5167 - 5171 (2013/09/02)

A concise and high-yielding protocol for the synthesis of 5,6-dihydrophenanthridines is disclosed. The key feature includes a sequential reduction-cyclization reaction of N-acylcarbamates via N,O-acetal TMS ethers as a stable N-acyliminium ion precursor.

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