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134784-77-3

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134784-77-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 134784-77-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,7,8 and 4 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 134784-77:
(8*1)+(7*3)+(6*4)+(5*7)+(4*8)+(3*4)+(2*7)+(1*7)=153
153 % 10 = 3
So 134784-77-3 is a valid CAS Registry Number.

134784-77-3Downstream Products

134784-77-3Relevant articles and documents

Novel metal chelating chitosan derivative: attachment of iminodiacetate moieties via a hydrophilic spacer group

Holme, Kevin R.,Hall, Laurance D.

, p. 585 - 589 (2007/10/02)

Chitosan has been reductively N-alkylated with a 6-O-substituted galactose derivative bearing an iminodiacetate residue, to give a chitosan derivative having a hydrophilic branch and a metal chelating group.The Cu(II) binding capacity of the derivative was comparable to native chitosan, but showed better ion-exchange ability.The product was water soluble, giving viscous 1percent aqueous solutions that showed decreased viscosity upon addition of Cu(II) ions. --- Key words: chitosan, derivative, chelation, solubilization, viscosity.

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