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9-Formyl-9-(3-oxo-butyl)-5,7,8,9-tetrahydro-1,3-dioxa-6-aza-cyclohepta[f]indene-6-carboxylic acid benzyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

87697-91-4

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87697-91-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 87697-91-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,6,9 and 7 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 87697-91:
(7*8)+(6*7)+(5*6)+(4*9)+(3*7)+(2*9)+(1*1)=204
204 % 10 = 4
So 87697-91-4 is a valid CAS Registry Number.

87697-91-4Downstream Products

87697-91-4Relevant academic research and scientific papers

Total Synthesis of (+/-)-Elwesin, (+/-)-Epielwesine, and (+/-)-Oxocrinine

Sanchez, Ignacio H.,Lopez, Francisco J.,Soria, Jose J.,Larraza, Maria Isabel,Flores, Humberto J.

, p. 7640 - 7643 (2007/10/02)

A highly efficient total synthesis of the Amaryllidaceae alkaloid (+/-)-elwesine (1), and (+/-)-3-epielwesine (2) and (+/-)-oxocrinine (3) is described.The method consists of the initial formation of the 5-formyltetrahydro-1H-2-benzazepine 11 by means of

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