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221057-89-2

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221057-89-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 221057-89-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,1,0,5 and 7 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 221057-89:
(8*2)+(7*2)+(6*1)+(5*0)+(4*5)+(3*7)+(2*8)+(1*9)=102
102 % 10 = 2
So 221057-89-2 is a valid CAS Registry Number.

221057-89-2Downstream Products

221057-89-2Relevant articles and documents

Synthesis and in vivo and in vitro evaluation of isoarecolone and derivatives

Beach, J. Warren,Damaj, M. Imad,Jonnala, Ramamohana R.,Terry Jr., Alvin V.,Buccafusco, Jerry J.

, p. 510 - 522 (2007/10/03)

The synthesis of the N-ethyl and N-phenylethyl derivatives of isoarecolone are described. These compounds were evaluated in vitro for their ability to displace [3H](±)epibatidine and/or [3H](-) nicotine from nicotinic receptors derived from rat cerebral cortex and their ability to inhibit acetylcholinesterase. The N-ethyl derivative and isoarecolone were evaluated in vivo for their antinociceptive, hypothermia and hypomotility activity in mice. The in vivo activity of isoareeolone was found to the reversible by mecamylamine, however the N-ethyl derivative was found to be insensitive to blockade by mecamylamine.

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