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55830-07-4

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55830-07-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 55830-07-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,8,3 and 0 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 55830-07:
(7*5)+(6*5)+(5*8)+(4*3)+(3*0)+(2*0)+(1*7)=124
124 % 10 = 4
So 55830-07-4 is a valid CAS Registry Number.

55830-07-4Upstream product

55830-07-4Downstream Products

55830-07-4Relevant articles and documents

Hindered urea bond: A bilaterally responsive chemistry to hydrogen peroxide

Ying, Hanze,Yang, Yingfeng,Cai, Kaimin,Cheng, Jianjun

, p. 728 - 731 (2019)

As a type of safe, clean, and bio-relevant oxidant, hydrogen peroxide has been widely used as a trigger in the design of stimuli-responsive materials. Hindered urea bond (HUB) is a type of dynamic covalent bond which can reversibly dissociate into isocyanate and amine. Quenching of isocyanate or amine will shift the equilibrium and facilitate the degradation of HUB bond. Herein, we report that one of the HUB moiety – 1,1-tert-butylethylurea (TBEU) can react with hydrogen peroxide (H2O2) resulting in two opposing outcomes. Perhydrolysis of isocyanate and oxidation of amine lead to the bond fracture, while formation of urethane product with an oxygen inserted into the original TBEU structure was also observed giving a stabilized form of linkage. More precise kinetic control of the two distinct pathways are expected to make hydrogen peroxide a trigger to either degrade or fix the HUB based polymeric materials.

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