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74439-11-5

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74439-11-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74439-11-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,4,3 and 9 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 74439-11:
(7*7)+(6*4)+(5*4)+(4*3)+(3*9)+(2*1)+(1*1)=135
135 % 10 = 5
So 74439-11-5 is a valid CAS Registry Number.

74439-11-5Downstream Products

74439-11-5Relevant articles and documents

The Photoinitiated Substitution Reactions of 2-Pyridinecarbonitrile with Benzophenone in Aqueous 2-Propanol

Caronna, Tullio,Morrocchi, Sergio,Vittimberga, Bruno M.

, p. 399 - 400 (2007/10/02)

The photoinitiated reaction of 2-pyridinecarbonitrile and benzophenone in acidic 4:1 2-propanol-water yields substitution product 3 and bicyclic product 4.In nonacidic solution 3 is the principal product in addition to small amounts of a bipyridyl compounds 5.

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