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7628-77-5

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7628-77-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 7628-77-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,6,2 and 8 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 7628-77:
(6*7)+(5*6)+(4*2)+(3*8)+(2*7)+(1*7)=125
125 % 10 = 5
So 7628-77-5 is a valid CAS Registry Number.

7628-77-5Downstream Products

7628-77-5Relevant articles and documents

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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