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120726-19-4

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120726-19-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 120726-19-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,0,7,2 and 6 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 120726-19:
(8*1)+(7*2)+(6*0)+(5*7)+(4*2)+(3*6)+(2*1)+(1*9)=94
94 % 10 = 4
So 120726-19-4 is a valid CAS Registry Number.

120726-19-4Relevant articles and documents

Stannylated phosphines. I. Preparation of (β-trimethylstannyl)alkyldiphenylphosphines

Mitchell, Terence N.,Belt, Heinz-Joachim

, p. 167 - 172 (2007/10/02)

(β-Trimethylstannyl)alkyldiphenylphosphines can be readily prepared by addition of diphenylphosphine to the corresponding vinyltrimethyltin Me3SnCR=CH2 under free radical conditions.In contrast, free radical hydrostannation of the corresponding phosphines Ph2PCR=CH2 is a more complex process, and is apparently of little synthetic value.The title compound can be easily oxidised by potassium permanganate to give the corresponding phosphine oxides in good yields.Hydrostannation of model alkynyldiphenylphosphines (RCCPPh2, R=H, Me3Sn) occurs regiospecifically.

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