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82296-59-1

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82296-59-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 82296-59-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,2,9 and 6 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 82296-59:
(7*8)+(6*2)+(5*2)+(4*9)+(3*6)+(2*5)+(1*9)=151
151 % 10 = 1
So 82296-59-1 is a valid CAS Registry Number.

82296-59-1Downstream Products

82296-59-1Relevant articles and documents

Pyrrolizidine Alkaloid Analoques. Synthesis of Eleven-membered Macrocyclic Diesters of Retronecine

Devlin, J. Alastair,Robins, David J.,Sakdarat, Santi

, p. 1117 - 1122 (2007/10/02)

Treatment of (+)-retronecine (1) with 3,3-disubstituted glutaric anhydride derivatives (2) yielded mixtures of the retronecine 7- and 9-monoesters, which were assayed by 1H n.m.r. spectrometry.Lactonisation of these mixtureswas achieved by the Corey-Nicolaou method to give a range of eleven-membered macrocyclic pyrrolizidine diesters (5) with different substituents at C-13.The macrocyclic nature of these pyrrolizidine alkaloid analogues was established by comparison of their 1H n.m.r. and mass spectra with those of natural pyrrolizidine alkaloids.

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