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1242769-19-2

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1242769-19-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1242769-19-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,2,7,6 and 9 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1242769-19:
(9*1)+(8*2)+(7*4)+(6*2)+(5*7)+(4*6)+(3*9)+(2*1)+(1*9)=162
162 % 10 = 2
So 1242769-19-2 is a valid CAS Registry Number.

1242769-19-2Downstream Products

1242769-19-2Relevant articles and documents

Synthesis and characterization of new aromatic-group substituted silanes bearing tris (trimethylsilyl)methyl bulky groups

Tarassoli, Abbas,Asadi, Ashrafolmolouk

, p. 1463 - 1468 (2010)

Reaction of the Grignard reagent, p-ClC6H4MgCl, with SiCl4 in toluene gave (p-ClC6H4) 2SiCl2, which was treated with KHF2 to give (p-ClC6H4)2SiF2 (1). Reaction of the latter with [(Me3Si)3C]Li in THF leads to the preparation of [(Me3Si)3C](p-ClC6H4) 2SiF (2). Treatment of (2) with LiAlH4 gave [(Me 3Si)3C](p-ClC6H4)2SiH (3) and [(Me3Si)3C](p-ClC6H4)(C 6H5)SiH (4). [(Me3Si)3C](p-ClC 6H4)SiCl2 (5) was also prepared from the reaction of (p-ClC6H4)SiCl3 with [(Me 3Si)3C]Li in a similar manner. The new highly sterically hindered organosilicon reagents (2) to (5) have been fully characterized by IR, 1H and 13C NMR, and mass spectrometry as well as elemental analysis. Copyright Taylor & Francis Group, LLC.

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