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55747-24-5

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55747-24-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 55747-24-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,7,4 and 7 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 55747-24:
(7*5)+(6*5)+(5*7)+(4*4)+(3*7)+(2*2)+(1*4)=145
145 % 10 = 5
So 55747-24-5 is a valid CAS Registry Number.

55747-24-5Relevant articles and documents

NMR Studies of Indoles and Their N-Carboalkoxy Derivatives

Morales-Rios, M. S.,Jospeh-Nathan, P.

, p. 911 - 918 (1987)

The 13C NMR assignment of indoles and 5-methoxyindoles substituted at position 3, and some of their N-carboalkoxy derivatives, was achieved from one- and two-dimensional NMR experiments.Substituent chemical shifts and 1(CH) values were evaluated.The dynamic processes of N-carboalkoxyindoles and N-carboalkoxyindoline observed by high-filed 1H NMR show the existence of two preferred rotamers around the carbamate N-C(=O)OR bond, which was interpreted in terms of frequency/field strengh-dependent phenomena.KEY WORDS - Indoles N-carboalkoxyindoles substituent effects 13C NMR

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