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1825-97-4

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1825-97-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1825-97-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,8,2 and 5 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1825-97:
(6*1)+(5*8)+(4*2)+(3*5)+(2*9)+(1*7)=94
94 % 10 = 4
So 1825-97-4 is a valid CAS Registry Number.

1825-97-4Relevant articles and documents

PROCESS FOR SELECTIVE PRODUCTION OF HALOSILANES FROM SILICON-CONTAINING TERNARY INTERMETALLIC COMPOUNDS

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Paragraph 0041, (2014/08/06)

A process includes contacting an organohalide with a ternary intermetallic compound at a temperature of 300 °C to 700 °C to form a reaction product including a halosilane. The ternary intermetallic compound includes three metals. The first metal is Cu or Mg; the second metal is Au, Ni, or Pd; and the third metal is Si.

Alternative methods for the synthesis of organosilicon compounds

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Paragraph 0029; 0059-0061, (2013/09/26)

A method of forming chloro-substituted silanes from the reaction of an alkoxy-or acetoxy-substituted silane with a chlorinating agent in the optional presence of a catalyst is provided. For instance, chloro-substituted silanes, including but not limited to silicon tetrachloride, are formed by reacting a chlorinating agent, such as thionyl chloride, with an alkoxysilane having the formula (R'O)4-xSiRx, where R and R' are independently selected alkyl groups comprising one or more carbon atoms and x is 0, 1, 2, or 3. The catalyst may be dimethylformamide, (chloromethylene)dimethyliminium chloride, or triethylamine, among others. The chloro-substituted silane formed in the reaction along with several by-products has the formula (R'O)4-x-ySiRxCly; where x is 0, 1, 2, or 3 and y is 1, 2, 3, or 4. One of the by-products of the reaction is an alkyl chloride.

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