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91635-19-7

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91635-19-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91635-19-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,6,3 and 5 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 91635-19:
(7*9)+(6*1)+(5*6)+(4*3)+(3*5)+(2*1)+(1*9)=137
137 % 10 = 7
So 91635-19-7 is a valid CAS Registry Number.

91635-19-7Relevant articles and documents

Decarboxylative Hydroxylation of Benzoic Acids

Ritter, Tobias,Su, Wanqi,Xu, Peng

supporting information, p. 24012 - 24017 (2021/10/06)

Herein, we report the first decarboxylative hydroxylation to synthesize phenols from benzoic acids at 35 °C via photoinduced ligand-to-metal charge transfer (LMCT)-enabled radical decarboxylative carbometalation. The aromatic decarboxylative hydroxylation is synthetically promising due to its mild conditions, broad substrate scope, and late-stage applications.

A facile synthesis of 3-phenyl-4-(2-thienyl/2-furyl)- and 3,4-di(2-thienyl)coumarins by phase transfer catalysis method

Kumari,Krupadanam,Srimannarayana

, p. 62 - 64 (2007/10/03)

Synthesis and characterization of 3-phenyl-4-(2-thienyl)coumarins, 4-(2-furyl)-3-phenylcoumarins and 3,4-di(2-thienyl)coumarins have been reported by phase transfer catalysis method in 75% yields. This method involves condensation of appropriate 2-thienyl

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