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13109-11-0

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13109-11-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 13109-11-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,1,0 and 9 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 13109-11:
(7*1)+(6*3)+(5*1)+(4*0)+(3*9)+(2*1)+(1*1)=60
60 % 10 = 0
So 13109-11-0 is a valid CAS Registry Number.

13109-11-0Relevant articles and documents

Improved method for the cyclization of ortho-alkynylbenzenediazonium salts

Zolnikova, Nataliya A.,Fedenok, Lidiya G.,Polyakov, Nikolay E.

, p. 476 - 480 (2006)

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Cinnolines and Pyrazolopyridazines. - Novel Synthetic and Mechanistic Aspects of the Richter Reaction

Vasilevsky, Sergei F.,Tretyakov, Eugene V.

, p. 775 - 780 (2007/10/02)

The thermal cyclization of 2-alkynylbenzenediazonium salts 2 known as the Richter reaction and leading, as described in the literature, only to 4-hydroxycinnolines 6 has been studied.A new probable route to these compounds involving intermediate formation

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