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90422-57-4

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90422-57-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90422-57-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,4,2 and 2 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 90422-57:
(7*9)+(6*0)+(5*4)+(4*2)+(3*2)+(2*5)+(1*7)=114
114 % 10 = 4
So 90422-57-4 is a valid CAS Registry Number.

90422-57-4Upstream product

90422-57-4Downstream Products

90422-57-4Relevant articles and documents

Studies on the Chelates of ortho-Carboxy Benzene Azo Dimethyl Aniline with Divalent Metals

Mahto, C. B.

, p. 917 - 919 (2007/10/02)

ortho-Carboxy benzene azo dimethyl aniline, C6H4-(COOH)-N=N-C6H4-N(CH3)2 (LH) (an indicator with a pH range 4.5-6.5) possesses a chelating behaviour.Its chelates with a number of divalent metal ions, Mg(II), Ca(II), Sr(II), Ba(II), Zn(II), Cd(II), Pb(II), Ni(II), Cu(II) and Co(II), of the type ML2 have been isolated and characterised on the basis of their elemental analyses, ir and visible spectra, and magnetic and molar conductance studies.All the chelates are tetrahedral, except NiL2 and CuL2 which are square planar.Only CuL2 and CoL2 are paramagnetic, the others are diamagnetic.They all are non-electrolytic.

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