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78049-07-7

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78049-07-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78049-07-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,0,4 and 9 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 78049-07:
(7*7)+(6*8)+(5*0)+(4*4)+(3*9)+(2*0)+(1*7)=147
147 % 10 = 7
So 78049-07-7 is a valid CAS Registry Number.

78049-07-7Downstream Products

78049-07-7Relevant articles and documents

PHOTOCHEMICAL REACTION OF 9,10-ANTHRAQUINONE AND ITS DERIVATIVES WITH PYRIDINE

Loskutov, V.A.,Lukonina, S.M.,Konstantinova, A.V.,Fokin, E.P.

, p. 500 - 504 (2007/10/02)

The previously unknown photochemical reaction of 9,10-anthraquinone with pyridine in an atmosphere of argon takes place with formation of 2-(1,2-dihydropyridino)- or 2-(1,4-dihydropyridino)-9,10-anthraquinone, which is converted by the action of alkali into 2-aminoanthraquinone.In the presence of atmospheric oxygen the reaction product after treatment whith alkali is 1-aminoanthraquinone in addition to 2-aminoanthraquinone.The 1- and 2-methoxyanthraquinones and chloroanthraquinones react with pyridine in the light and form, after treatment with alkali, substituted aminoanthraquinones.

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