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18082-57-0

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18082-57-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 18082-57-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,0,8 and 2 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 18082-57:
(7*1)+(6*8)+(5*0)+(4*8)+(3*2)+(2*5)+(1*7)=110
110 % 10 = 0
So 18082-57-0 is a valid CAS Registry Number.

18082-57-0Downstream Products

18082-57-0Relevant articles and documents

Treatment of Tetraalkoxysilanes with Amberlyst 15 Cation-Exchange Resin in Presence of Hexamethyldisiloxane

Hasegawa, Isao,Sakka, Sumio

, p. 4313 - 4316 (1987)

Tetraalkoxysilanes were treated with Amberlyst 15 cation-exchange resin in hexamethyldisiloxane at 40 deg C in order to substitute the trimethylsilyl group for the alkyl group in a tetraalkoxysilane partially.Tetramethoxy-, ethoxy-, propoxy-, and butoxysilanes were used for the experiments.After the treatment, SiO4R(4-n)Xn (1 /= n /= 4, R = CH3, C2H5, n-C3H7, and n-C4H9, X = Si(CH3)3) were detected by gas chromatography-mass spectrometry.The degree of trimethylsilylation of tetraalkoxysilane changed with the molar ratio of hexamethyldisiloxane to tetraalkoxysilane and quantities of the reaction products in the system depended mainly on the ratio.

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