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135838-73-2

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135838-73-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 135838-73-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,5,8,3 and 8 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 135838-73:
(8*1)+(7*3)+(6*5)+(5*8)+(4*3)+(3*8)+(2*7)+(1*3)=152
152 % 10 = 2
So 135838-73-2 is a valid CAS Registry Number.

135838-73-2Downstream Products

135838-73-2Relevant articles and documents

Synthesis and Characterization of Tetra(azo)2,3-Dihydroperimidine Dyes for Guest-Host Liquid Crystals

Shannon, P. J.,Sun, S. T.

, p. 43 - 50 (2007/10/02)

The synthesis and characterization of several tetra(azo)-2,3-dihydroperimidine dyes with alkyl substituents in the 1,2, and 3 positions are described.The dyes have intense blue colors, high order parameters and high solubilities in liquid crystal host solvents.Order parameters are enhanced with longer alkyl substituents at the 2-position.Two of the dyes exhibit thermal transitions consistent with formation of liquid crystal phases.

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