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7,7-diphenyl-dodecamethyl-1,2,3,4,5,6-hexasila-7-stanna-cycloheptane is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

209977-13-9

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209977-13-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 209977-13-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,9,9,7 and 7 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 209977-13:
(8*2)+(7*0)+(6*9)+(5*9)+(4*7)+(3*7)+(2*1)+(1*3)=169
169 % 10 = 9
So 209977-13-9 is a valid CAS Registry Number.

209977-13-9Downstream Products

209977-13-9Relevant academic research and scientific papers

New cyclic stannyloligosilanes

Kayser,Klassen,Schuermann,Uhlig

, p. 165 - 167 (1998)

The synthesis of new cyclic stannyloligosilanes [R2Sn(SiMe2)n] (2a, n=5, R=Ph; 2b, n=5, R=Me; 3a, n=6, R=Ph; 3b, n=6, R=Me) is reported. The compounds are fully characterised by mass spectrometry and NMR spectroscopy and i

New silicon and tin containing ring and cage compounds - Syntheses and reactivity

Hermann,Prass,Uhlig

, p. 425 - 429 (2007/10/03)

The syntheses of new stannyloligosilanes starting from dichlorodiorganostannanes (R2SnCl2) and α,ω-difluoromethyloligosilanes with magnesium are described. Depending on the molar ratio of reactants and substituents R, cyclic or acycl

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