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129409-70-7

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129409-70-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 129409-70-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,4,0 and 9 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 129409-70:
(8*1)+(7*2)+(6*9)+(5*4)+(4*0)+(3*9)+(2*7)+(1*0)=137
137 % 10 = 7
So 129409-70-7 is a valid CAS Registry Number.

129409-70-7Downstream Products

129409-70-7Relevant articles and documents

Synthesis of Silicon Containing Benzaldehydes and Conversion to Schiff's Bases

Rich, Jonathan, D.,Burnell, Timothy B.

, p. 1033 - 1037 (2007/10/02)

Synthesis of the first silicon substituted benzaldehyde derivatives is described.Reduction of tetramethyldiphenyldisiloxane-4,4'-dicarboxylic acid chloride with tri-t-butoxylithiumaluminium hydride gives tetramethyldiphenyldisiloxane-4,4'-dicarboxaldehyde in 40percent yield.Synthesis and characterization of Schiff's base derivatives are described.

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