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88609-39-6

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88609-39-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 88609-39-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,8,6,0 and 9 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 88609-39:
(7*8)+(6*8)+(5*6)+(4*0)+(3*9)+(2*3)+(1*9)=176
176 % 10 = 6
So 88609-39-6 is a valid CAS Registry Number.

88609-39-6Downstream Products

88609-39-6Relevant articles and documents

The Photo-induced Ring Expansion of Azido(methoxy)quinolines to Methoxypyridoazepines

Khan, Zafar U.,Patel, Dalpat I.,Smalley, Robert K.,Scriven, Eric F.V.,Suschitzky, Hans

, p. 2495 - 2500 (2007/10/02)

The yield of 9-alkylamino-5H-pyridoazepines from the photo-induced ring-expansion of 8-azidoquinoline in primary amines are increased significantly by the presence of a 6-methoxy group, which also for the first time induces ring-expansion of the azide in secondary amines.Optimum conditions have been found for the ring-expansion of 8-azidoquinoline in methanol-potassium methoxide to give 9-methoxy-5H-pyridoazepine, and under the same conditions 8-azido-6-methoxy- and 6-azido-8-methoxy-quinoline ring-expand in excellent yield to the corresponding dimethoxypyridoazepines.

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