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157667-89-5

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157667-89-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 157667-89-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,6,6 and 7 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 157667-89:
(8*1)+(7*5)+(6*7)+(5*6)+(4*6)+(3*7)+(2*8)+(1*9)=185
185 % 10 = 5
So 157667-89-5 is a valid CAS Registry Number.

157667-89-5Downstream Products

157667-89-5Relevant academic research and scientific papers

Photoinduced electron transfer (PET) promoted cyclisations of 1-[N-alkyl-N-(trimethylsilyl)methyl]amines tethered to proximate olefin: Mechanistic and synthetic perspectives

Pandey, Ganesh,Devi Reddy,Kumaraswamy

, p. 8185 - 8194 (1994)

Upon PET reaction, amines of type 1 undergo efficient cyclisations to produce pyrrolidines and piperidines. Mechanistically, involvement of delocalised α-silylmethyl amine radical cation as reactive intermediate in such cyclisations are described.

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