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91347-78-3

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91347-78-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91347-78-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,3,4 and 7 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 91347-78:
(7*9)+(6*1)+(5*3)+(4*4)+(3*7)+(2*7)+(1*8)=143
143 % 10 = 3
So 91347-78-3 is a valid CAS Registry Number.

91347-78-3Downstream Products

91347-78-3Relevant articles and documents

Studies on the series of azoles and azines. 66. Synthesis, spectra and structure of 5-arylazo- and 5-arylideneamino-2,4,6-triaminopyrimidines and their 6-hydroxy analogs

Belodedova,Smorygo,Mirzoyan,Melik-Orandzhanyan,Studentsov,Ivin

, p. 538 - 545 (2007/10/02)

5-Arylazo and 5-arylideneamino-2,4,6-triaminopyrimidines and their 6-hydroxy analogs were obtained by azo coupling of 2,4,6-triamino- and 2,4-diamino-6-hydroxypyrimidines with aryldiazonium salts, and also by the reaction of benzaldehydes with 2,4,5,6-tetraamino- and 2,4,5-triamino-6-hydroxypyrimidines, respectively. According to spectral data, in solvents with different polarity, these compounds exist preferentially in the triamino- or diaminohydroxy form. The main paths of the mass spectrometric fragmentation of the compounds studied have been determined.

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