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1272961-20-2

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1272961-20-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1272961-20-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,7,2,9,6 and 1 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1272961-20:
(9*1)+(8*2)+(7*7)+(6*2)+(5*9)+(4*6)+(3*1)+(2*2)+(1*0)=162
162 % 10 = 2
So 1272961-20-2 is a valid CAS Registry Number.

1272961-20-2Relevant articles and documents

Rapid photoassisted access to N,O,S-polyheterocycles with benzoazocine and hydroquinoline cores: Intramolecular cycloadditions of photogenerated azaxylylenes

Mukhina, Olga A.,Bhuvan Kumar,Arisco, Teresa M.,Valiulin, Roman A.,Metzel, Greg A.,Kutateladze, Andrei G.

, p. 9423 - 9428 (2011/11/06)

Ring the changes: A new photoassisted approach to give conformationally constrained N,O,S-polyheterocyclic scaffolds of unprecedented topologies was achieved by intramolecular [4+4] and [4+2] cycloadditions of photogenerated o-azaxylylenes (23 examples; see scheme). The precursors can be readily assembled by simple and high-yielding reactions, thus making this a powerful synthetic method amenable to high-throughput diversity-oriented synthesis.

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