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54552-69-1

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54552-69-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 54552-69-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,5,5 and 2 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 54552-69:
(7*5)+(6*4)+(5*5)+(4*5)+(3*2)+(2*6)+(1*9)=131
131 % 10 = 1
So 54552-69-1 is a valid CAS Registry Number.

54552-69-1Relevant articles and documents

PdCl2 and NiCl2-catalyzed hydrogen-halogen exchange for the convenient preparation of bromo- and iodosilanes and germanes

Iwata, Arihiro,Toyoshima, Yutaka,Hayashida, Tsuyoshi,Ochi, Takahiko,Kunai, Atsutaka,Ohshita, Joji

, p. 90 - 95 (2007/10/03)

Bromination and iodination of hydrosilanes and germanes were studied. Treatment of hydrosilanes with an excess of ethyl, propyl, or allyl bromide in the presence of a catalytic amount of PdCl2 or NiCl2 gave bromosilanes in good to high yield by hydrogen-halogen exchange. By using methyl, propyl, or allyl iodide as the iodine source, similar iodination of hydrosilanes was readily performed. Halogenation of hydrogermanes also proceeded by similar treatment.

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