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149636-62-4

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149636-62-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 149636-62-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,9,6,3 and 6 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 149636-62:
(8*1)+(7*4)+(6*9)+(5*6)+(4*3)+(3*6)+(2*6)+(1*2)=164
164 % 10 = 4
So 149636-62-4 is a valid CAS Registry Number.

149636-62-4Downstream Products

149636-62-4Relevant articles and documents

Nitroxide-mediated controlled radical polymerizations of styrene derivatives

Stals, Patrick J. M.,Phan, Trang N. T.,Gigmes, Didier,Paffen, Tim F. E.,Meijer,Palmans, Anja R. A.

, p. 780 - 791 (2012/05/19)

Several (protected) amine and alcohol functionalized styrene monomers were synthesized via readily accessible synthetic routes. The controlled radical copolymerization of these functionalized styrene monomers with styrene was performed using two alkoxyamines, namely N-(2-methylpropyl)-N-(1- diethylphosphono-2,2-dimethylpropyl)-O-(2-carboxylprop-2-yl) hydroxylamine (MAMA-SG1) and N-tert-butyl-N-(2-methyl-1-phenylpropyl)-O-(1-phenylethyl) hydroxylamine. The copolymers obtained showed low polydispersities, controlled molecular weights, and a random topology. The thermal properties of the polymers were determined with differential scanning calorimetry. All polymers were amorphous and showed glass transition temperatures between 40 and 111 °C. Deprotection of the copolymers afforded amine or alcohol pendant polystyrenes which were readily functionalized with isocyanates.

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