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320781-51-9

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320781-51-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 320781-51-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,2,0,7,8 and 1 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 320781-51:
(8*3)+(7*2)+(6*0)+(5*7)+(4*8)+(3*1)+(2*5)+(1*1)=119
119 % 10 = 9
So 320781-51-9 is a valid CAS Registry Number.

320781-51-9Downstream Products

320781-51-9Relevant articles and documents

Beta-carboline compounds

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Page column 26, (2010/01/30)

A compound selected from those of formula (I): wherein: represents single or double bond, R1represents hydrogen, alkyl, —R6-aryl, —R6-cycloalkyl, —R6-heterocycle, —CO2R7—, —COR8, or —CONHR8, wherein R6, R7, and R8are as defined in the description, R2represents cyano, mono- or di-alkylaminoalkylaminocarbonyl, —CO2R8, —CONHR8, —NR8R9, —NHCO2R7, or —COR8wherein R7, R8, and R9are as defined in the description, R3and R4together form (C3-C10)cycloalkyl, R5represents hydrogen, alkyl, or arylalkyl, Ra, Rb, Rc, Rd, which may be identical or different, represent a group as defined in the description, its isomers, and pharmaceutically-acceptable acid or base addition salts thereof, and medicinal products containing the same which are useful in the treatment of CNS disorders.

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