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31230-04-3

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31230-04-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 31230-04-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,2,3 and 0 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 31230-04:
(7*3)+(6*1)+(5*2)+(4*3)+(3*0)+(2*0)+(1*4)=53
53 % 10 = 3
So 31230-04-3 is a valid CAS Registry Number.

31230-04-3Relevant articles and documents

METHOD FOR PRODUCING SILANOLS AND NOVEL SILANOLS

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Paragraph 0053-0054; 0059; 0077-0078, (2021/08/13)

PROBLEM TO BE SOLVED: To provide a method for efficiently producing silanols useful as functional chemicals, and to provide novel silanols. SOLUTION: There is provided a method for producing silanols including a reaction step of reacting alkoxysilanes having Si-OR bonds (R represents a hydrocarbon group having 1 to 6 carbon atoms) with water or heavy water in the presence of a catalyst, wherein a method for producing silanols having an Si-OR' bond (R' represents a hydrogen atom or a deuterium atom) is characterized in that the catalyst is an inorganic solid acid catalyst having a regular pore structure. There is also provided novel silanols obtained thereby. SELECTED DRAWING: None COPYRIGHT: (C)2021,JPOandINPIT

O2-enhanced catalytic activity of gold nanoparticles in selective oxidation of hydrosilanes to silanols

Urayama, Teppei,Mitsudome, Takato,Maeno, Zen,Mizugaki, Tomoo,Jitsukawa, Koichiro,Kaneda, Kiyotomi

supporting information, p. 1062 - 1064 (2015/09/02)

O2 acts as a nonconsumed activator for gold nanoparticles (AuNPs) in the oxidation of hydrosilanes to silanols with water under O2 atmosphere, providing an acceleration of more than 200 times relative to the reaction rate under Ar atmosphere. The AuNP catalyst under aerobic conditions exhibits high activity in the oxidation with high turnover numbers (1230000). Various hydrosilanes including less-reactive bulky ones can be converted to the corresponding silanols in excellent yields. Moreover, the present AuNP catalyst is reusable while maintaining the high performance.

Bis(2-thienyl)silanes: new, versatile precursors to arylsilanediols

Anderson, Thomas F.,Statham, Matthew A.J.,Carroll, Michael A.

, p. 3353 - 3355 (2007/10/03)

Silanediols have been shown to be effective bioisosteres for the hydrated carbonyl group. Current methods for the formation of silanediols place a number of constraints on how and where this functionality may be used. A range of arylsilanes that would allow both the formation of arylsilanediols and that are also compatible with multi-step synthetic routes, have been investigated as possible precursors to silanediols. Through this study bis(2-furyl)silanes and, in particular, bis(2-thienyl)silanes have been identified as practical precursors to arylsilanediols.

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