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1-(Benzyloxy)-5-bromopyrazole is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

166820-34-4

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166820-34-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 166820-34-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,6,8,2 and 0 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 166820-34:
(8*1)+(7*6)+(6*6)+(5*8)+(4*2)+(3*0)+(2*3)+(1*4)=144
144 % 10 = 4
So 166820-34-4 is a valid CAS Registry Number.

166820-34-4Relevant academic research and scientific papers

Novel 5-substituted 1-pyrazolol analogues of ibotenic acid: Synthesis and pharmacology at glutamate receptors

Jorgensen, Charlotte G.,Braeuner-Osborne, Hans,Nielsen, Birgitte,Kehler, Jan,Clausen, Rasmus P.,Krogsgaard-Larsen, Povl,Madsen, Ulf

, p. 3524 - 3538 (2008/02/07)

5-Substituted 1-pyrazolol analogues of ibotenic acid have been synthesized and pharmacologically characterized on ionotropic and metabotropic glutamate receptors (iGluRs and mGluRs). The syntheses involved introduction of bromide, alkyls, phenyl and aryla

Synthesis of 5-Substituted 1-Hydroxypyrazoles through Directed Lithiation of 1-(Benzyloxy)pyrazole

Vedsoe, Per,Begtrup, Mikael

, p. 4995 - 4998 (2007/10/03)

1-Hydroxypyrazoles have been converted to 1-(benzyloxy), , , and (silyloxy)pyrazoles. 1-(Benzyloxy)pyrazole was lithiated selectively in the 5-position.Subsequent reaction with electrophiles gives rise to 1-(benzyloxy)pyrazole with carbon, halogen, silicon, sulfur, or tin substituents at the 5-position. 1-(Benzyloxy)pyrazoles could be debenzylated by hydrogen bromide or hydrogenolysis producing 5-substituted 1-hydroxypyrazoles in high overall yield.

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