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Imidazolidine, 1,3-dimethyl-2-(phenylmethylene)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

91556-65-9

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91556-65-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91556-65-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,5,5 and 6 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 91556-65:
(7*9)+(6*1)+(5*5)+(4*5)+(3*6)+(2*6)+(1*5)=149
149 % 10 = 9
So 91556-65-9 is a valid CAS Registry Number.

91556-65-9Relevant academic research and scientific papers

2-Alkylidenimidazolidine - Synthesis, Basicity, 1H- and 13C-NMR Spectra

Gruseck, Ursula,Heuschmann, Manfred

, p. 2053 - 2064 (2007/10/02)

4,5-Dihydroimidazolium salts 2, 3, and 4 were synthesized by carefully directed alkylation of 4,5-dihydroimidazoles 7 and 8. 2, 3, and 4 were deprotonated by sodium hydride to yield 2-alkylideneimidazolidines 1. 1H and 13C-NMR spectra allow to assign the

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