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127725-90-0

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127725-90-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 127725-90-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,7,7,2 and 5 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 127725-90:
(8*1)+(7*2)+(6*7)+(5*7)+(4*2)+(3*5)+(2*9)+(1*0)=140
140 % 10 = 0
So 127725-90-0 is a valid CAS Registry Number.

127725-90-0Downstream Products

127725-90-0Relevant articles and documents

Ligand Exchange Reactions between Haloboranes and Alkylsilanes

Einholz, Wolfgang,Gollinger, Walter,Haubold, Wolfgang

, p. 25 - 30 (2007/10/02)

In a ligand exchange reaction between BHal3 (Hal = Cl, Br) and the tetraalkylsilanes Et4Si, (Me3Si)2CH2 or Ph2CHSiMe3 the alkylhaloboranes EtBBr2 or MeBHal2 and the alkylhalosilanes Et3SiBr, HalMe2Si-CH2-SiMe3, (HalMe2Si)2CH2, and Ph2CHSiMe2Br, respectively, are formed.Similarly, the methyloligosilanes (Me3Si)2 (1) and (Me3Si)2SiMe2 (2) react with BHal3 (Hal = Cl, Br, I) via methyl-halogen-transfer to give HalMe2Si-SiMe3 (Hal = Cl, Br, I), (HalMe2Si)2 (Hal = Br, I), HalMe2Si-SiMe2-SiMe3, (Me3Si)2SiMeHal, HalMe2Si-SiMeHal-SiMe3, (HalMe2Si)SiMe2 (Hal = Cl, Br) or (BrMe2Si)2SiMeBr besides MeBHal2 (Hal = Cl, Br, I) and Me2BI, respectively.

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