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359721-61-2

359721-61-2

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359721-61-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 359721-61-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,5,9,7,2 and 1 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 359721-61:
(8*3)+(7*5)+(6*9)+(5*7)+(4*2)+(3*1)+(2*6)+(1*1)=172
172 % 10 = 2
So 359721-61-2 is a valid CAS Registry Number.

359721-61-2Downstream Products

359721-61-2Relevant articles and documents

Synthesis of dixanthones and poly(dixanthone)s by cyclization of 2-aryloxybenzonitriles in trifluoromethanesulfonic acid

Colquhoun, Howard M.,Lewis, David F.,Williams, David J.

, p. 2337 - 2340 (2001)

(matrix presented) Condensation of 2-fluorobenzonitriles with phenoxides affords 2-aryloxybenzonitriles that cyclize cleanly in trifluoromethanesulfonic acid at room temperature to give xanthone-iminium triflates. The C=N bond in these compounds is remark

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