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1422982-68-0

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1422982-68-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1422982-68-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,2,9,8 and 2 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1422982-68:
(9*1)+(8*4)+(7*2)+(6*2)+(5*9)+(4*8)+(3*2)+(2*6)+(1*8)=170
170 % 10 = 0
So 1422982-68-0 is a valid CAS Registry Number.

1422982-68-0Downstream Products

1422982-68-0Relevant articles and documents

Kinetic modeling of radical thiol-ene chemistry for macromolecular design: Importance of side reactions and diffusional limitations

Derboven, Pieter,D'Hooge, Dagmar R.,Stamenovic, Milan M.,Espeel, Pieter,Marin, Guy B.,Du Prez, Filip E.,Reyniers, Marie-Francoise

, p. 1732 - 1742 (2013)

The radical thiol-ene coupling of thiol-functionalized polystyrene (PS-SH) with dodecyl vinyl ether (DVE) and the polystyrene-b-poly(vinyl acetate) (PS-b-PVAc) polymer-polymer conjugation using 2,2-dimethoxy-2-phenylacetophenone (DMPA) as photoinitiator are modeled to assess the importance of diffusional limitations and side reactions. Intrinsic chemical rate coefficients are determined based on a kinetic study of the coupling of benzyl thiol (BT) and DVE. The addition and transfer reactions are chemically controlled, whereas diffusional limitations on termination slightly increase the coupling efficiency. Termination by recombination of carbon-centered radicals and addition of DMPA derived radicals to DVE are shown to be mainly responsible for the reduced coupling efficiency in case polymeric species are involved. The obtained results confirm the idea to disregard radical thiol-ene chemistry as a true member of the family of click chemistry techniques for polymer-polymer conjugation and show that the initial conditions have a significant impact on the coupling efficiency.

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