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892403-13-3

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892403-13-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 892403-13-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,9,2,4,0 and 3 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 892403-13:
(8*8)+(7*9)+(6*2)+(5*4)+(4*0)+(3*3)+(2*1)+(1*3)=173
173 % 10 = 3
So 892403-13-3 is a valid CAS Registry Number.

892403-13-3Relevant articles and documents

Discotic liquid crystalline hydrazone compounds: Synthesis and mesomorphic properties

Jeong, Min Ju,Park, Jun Ha,Lee, Changjin,Chang, Ji Young

, p. 2221 - 2224 (2006)

1,3,5-Trisacetoacetamidobenzene with three 1,3-diketo groups was synthesized by the reaction of 1,3,5-triaminobenzene with diketene. Discotic hydrazone compounds were prepared by the diazo coupling reaction between 1,3,5-trisacetoacetamidobenzene and diazonium salts of 4-alkyloxyphenylamines. The compounds existed in hydrazone forms exclusively, being stabilized by the intramolecular hydrogen bonds, and showed discotic nematic or columnar hexagonal mesophases.

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