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57506-90-8

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57506-90-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 57506-90-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,5,0 and 6 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 57506-90:
(7*5)+(6*7)+(5*5)+(4*0)+(3*6)+(2*9)+(1*0)=138
138 % 10 = 8
So 57506-90-8 is a valid CAS Registry Number.

57506-90-8Relevant articles and documents

Synthesis and Reactions of N-Indol-3-ylmethylalkylamines and Related Compounds

Afsah, El-Sayed M.,Jackson, Anthony H.

, p. 1929 - 1932 (1984)

A series of new N-indol-3-ylmethylalkylamines (1) have been synthesized in excellent yields via transamination between gramine and the appropriate primary alkylamine.The use of tryptamine and propane-1,3-diamine in the exchange reaction afforded N-indol-3-ylmethyltryptamine (2), and N,N'-bis(indol-3-ylmethyl)propane-1,3-diamine (3) respectively, where as the use of methylamine gave N,N-bis(indol-3-ylmethyl)methylamine (4).The exchange reaction has been extended by the use of amino acids to give N,N-bis(indol-3-ylmethyl)tryptophan (6) and N,N-bis-(indol-3-ylmethyl)glycine (8).The secondary amines (1), (2) and the previously known bis(indol-3-ylmethyl)amine proved to be valuable intermediates for the synthesis of some new compounds related to gramine as well as to other indole alkaloids.

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