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73053-87-9

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73053-87-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 73053-87-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,0,5 and 3 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 73053-87:
(7*7)+(6*3)+(5*0)+(4*5)+(3*3)+(2*8)+(1*7)=119
119 % 10 = 9
So 73053-87-9 is a valid CAS Registry Number.

73053-87-9Downstream Products

73053-87-9Relevant articles and documents

Synthesis of Oxazolylindole Alkaloids from Tryptamine and Tryptophan by Oxidation with 2,3-Dichloro-5,6-dicyanobenzoquinone

Yoshioka, Tadao,Mohri, Kunihiko,Oikawa, Yuji,Yonemitsu, Osamu

, p. 2252 - 2281 (2007/10/02)

When N-acyl derivatives of tryptamine and L-tryptophan methyl ester were treated with DDQ (2 equiv) in tetrahydrofuran or other anhydrous solvents, four consecutive reactions, dehydrogenation, nucleophilic cyclization, another dehydrogenation, and isomeri

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