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1407505-32-1

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1407505-32-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1407505-32-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,0,7,5,0 and 5 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1407505-32:
(9*1)+(8*4)+(7*0)+(6*7)+(5*5)+(4*0)+(3*5)+(2*3)+(1*2)=131
131 % 10 = 1
So 1407505-32-1 is a valid CAS Registry Number.

1407505-32-1Relevant articles and documents

Metal-free, stereospecific bis-silylation of functionalized alkynes with NHC-supported silylaminosilylene

Cui, Haiyan,Ma, Bing,Cui, Chunming

, p. 7339 - 7342 (2013/01/15)

The NHC-supported silylaminosilylene Ar(SiMe3)N(Cl)Si(IiPr) (1; Ar = 2,6-iPr2C6H3, IiPr = 1,3-diisopropyl-4,5- dimethylimidazol-2-ylidene) is an efficient and stereospecific bis-silylation reagent for a range of functionalized alkynes to yield cis-1,2-bis-silylated alkenes via a 1,4-silyl migration from the amino nitrogen atom to an alkyne carbon atom. The reaction is regio- and stereospecific for terminal alkynes with an electron-withdrawing substituent, thus providing a facile access to 1,2-bis-silylated alkenes with two different silyl groups.

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