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79677-27-3

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79677-27-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 79677-27-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,6,7 and 7 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 79677-27:
(7*7)+(6*9)+(5*6)+(4*7)+(3*7)+(2*2)+(1*7)=193
193 % 10 = 3
So 79677-27-3 is a valid CAS Registry Number.

79677-27-3Downstream Products

79677-27-3Relevant articles and documents

REACTION OF ANHYDRIDES OF DICARBOXYLIC ACIDS OF SIX-MEMBERED NITROGEN HETEROCYCLES WITH CH-ACID COMPOUNDS

Artamonov, A. A.,Timoshenko, L. I.,Musienko, G. M.,Klimok, L. P.

, p. 843 - 847 (2007/10/02)

Condensation products with azaphthalidylidene structures were obtained by the reaction of anhydrides of cinchomeronic and pyrazine-2,3-dicarboxylic acids with malonic ester, thiazolidine-2,4-dione, N-phenylthiazolidine-2,4-dione, and rhodanine.Azaindan-1,3-dione derivatives were synthesized with cyanoacetic ester and malononitrile under the same conditions.The reaction of these anhydrides, as well as quinolinic acid anhydride, with α- and γ-methylquinolines, as well as 2,6-lutidine, gave compounds that have azaphthalidylidene structures, which were converted to azaquino- and pyrophthalones by the action of sodium methoxide.

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