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203921-56-6

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203921-56-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 203921-56-6 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 1 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 203921-56:
(8*2)+(7*0)+(6*3)+(5*9)+(4*2)+(3*1)+(2*5)+(1*6)=106
106 % 10 = 6
So 203921-56-6 is a valid CAS Registry Number.

203921-56-6Relevant articles and documents

4-AMINOETHOXY INDOLONE DERIVATIVES

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, (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.

4-AMINOETHOXY INDOLONE DERIVATIVES

-

, (2008/06/13)

A compound of the formula I: STR1 in which Y is hydrogen, halogen or lower alkoxy; R 1 is hydrogen, lower alkyl or aryl(lower) alkyl; R. sub.2 is hydrogen, lower alkyl or--(CH 2) n X p Ar, where X is oxygen or carbonyl; Ar is cycloalkyl, aryl or arylaryl, oxindolyl, benzimidazolyl, indolyl, 2-oxobenzimidazolyl or 2-thioxobenzimidazolyl; or R 1 and R 2, 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.

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