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702668-67-5

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702668-67-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 702668-67-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,0,2,6,6 and 8 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 702668-67:
(8*7)+(7*0)+(6*2)+(5*6)+(4*6)+(3*8)+(2*6)+(1*7)=165
165 % 10 = 5
So 702668-67-5 is a valid CAS Registry Number.

702668-67-5Downstream Products

702668-67-5Relevant articles and documents

Copper-catalyzed coupling reaction of 2-thioxo-4-quinazolinone and thieno[3,2-d]pyrimidin-4-one methane sulphonamide with aryl iodides: Preparation of potential COX-2 selective inhibitors

Perdicaro, Antonio,Granata, Giuseppe,Marrazzo, Agostino,Santagati, Andrea

, p. 723 - 737 (2008)

Thio-aryl methane sulfonamide derivatives of 4-quinazolinone and thieno[2,3-d]pyrimidin-4-one were synthesized using powdery copper/copper(I) iodide as catalyst; their structural elucidation is also reported. These derivatives were planned as sulfur bioisosteres of selective COX-2 inhibitor drugs. Copyright Taylor & Francis Group, LLC.

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