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73451-64-6

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73451-64-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 73451-64-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,4,5 and 1 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 73451-64:
(7*7)+(6*3)+(5*4)+(4*5)+(3*1)+(2*6)+(1*4)=126
126 % 10 = 6
So 73451-64-6 is a valid CAS Registry Number.

73451-64-6Downstream Products

73451-64-6Relevant articles and documents

Bis(trimethylsilyl)-, Trimethylsilyltrimethylgermyl-, and Bis(trimethylgermyl)diazomethane. Synthesis and Chemistry of Quantitative Silene and Germene Precursors

Barton, Thomas J.,Hoekman, S. Kent

, p. 1584 - 1591 (2007/10/02)

Convenient syntheses of bis(trimethylsilyl)diazomethane (1), trimethylsilyltrimethylgermyldiazomethane (22), and bis(trimethylgermyl)diazomethane (31), utilizing diazo transfer from tosyl azide to the carbanion derived from the corresponding bis(trimethylmetallo)methane or -chloromethane, are described.Both photolysis and thermolysis of 1 produce a carbene which rearranges via methyl migration to silene 3, which dimerizes.Trapping results with methanol, benzaldehyde, 1,3-butadiene, 2,3-dimethyl-1,3-butadiene, and D2O indicate that silene formation is essentially quantitative.Thermolysis of 23 produces only products from silene intermediacy, but photolysis and trapping with MeOD reveal a competition between silene and germene formation which favors the silene by a factor of 4.Both photolysis and pyrolysis of 31 produce only products from the germene resulting from methyl migration to carbon.

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