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203922-20-7

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203922-20-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 203922-20-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,3,9,2 and 2 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 203922-20:
(8*2)+(7*0)+(6*3)+(5*9)+(4*2)+(3*2)+(2*2)+(1*0)=97
97 % 10 = 7
So 203922-20-7 is a valid CAS Registry Number.

203922-20-7Relevant articles and documents

4-AMINOETHOXY INDOLONE DERIVATIVES

-

, (2008/06/13)

A compound of formula (I) in which Y is hydrogen, halogen or lower alkoxy; R1 is hydrogen, lower alkyl or aryl(lower)alkyl; R2 is hydrogen, lower alkyl or -(CH2)nXpAr, where X is oxygen or carbonyl; Ar is cycloalkyl, aryl or arylaryl, oxindolyl, benzimidazolyl, indolyl, 2-oxobenzimidazolyl or 2-thioxobenzimidazolyl; or R1 and R2, taken together with the nitrogen atom to which they are attached, complete a 3,4-dihydro-1H-isoquinolinyl or 1,3-dihydro-isoindolyl; n is one of the integers 1,2,3,4,5 or 6; p is one of the integers 0 or 1; or a pharmaceutically acceptable salt thereof are inhibitors of dopamine synthesis and release, useful in the treatment of schizophrenia, Parkinson's Disease, Tourette's Syndrome, alcohol addiction, cocaine addiction, and addiction to analogous drugs.

New generation dopaminergic agents. 2. Discovery of 3-OH-phenoxyethylamine and 3-OH-N1-phenylpiperazine dopaminergic templates

Mewshaw, Richard E.,Husbands, Morris,Gildersleeve, Elizabeth S.,Webb, Michael B.,Shi, Xiaojie,Mazandarani, Hossein,Cockett, Mark I.,Ochalski, Rafal,Brennan, Julie A.,Abou-Gharbia, Magid,Marquis, Karen,McGaughey, Georgia B.,Coupet, Joseph,Andree, Terrance H.

, p. 295 - 300 (2007/10/03)

Described in this report is a systematic study which led to the identification of two new dopamine D2 partial agonists (5 and 17). Phenols 5 and 17 represent prototypes of two new classes of D2 partial agonist as well as templates for the future design of novel dopaminergic agents.

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