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76509-16-5

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76509-16-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 76509-16-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,5,0 and 9 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 76509-16:
(7*7)+(6*6)+(5*5)+(4*0)+(3*9)+(2*1)+(1*6)=145
145 % 10 = 5
So 76509-16-5 is a valid CAS Registry Number.

76509-16-5Downstream Products

76509-16-5Relevant articles and documents

New Synthesis of 1,4-Naphthalenedicarbonitrile

Heiss, Lorenz,Paulus, Erich F.,Rehling, Herbert

, p. 1583 - 1596 (2007/10/02)

o-Phenylenediacetonitrile (1) reacts with Schiff bases 2 of glyoxal via elimination of corresponding imines to 1,4-naphthalenedicarbonitrile (3).The adduct 4 is isolated as an intermediate of this reaction.By addition of a further molecule of 2 to 4 the tricycle 5 can be obtained; its structure is characterized by X-ray structure analysis.

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