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503859-65-2

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503859-65-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 503859-65-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,3,8,5 and 9 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 503859-65:
(8*5)+(7*0)+(6*3)+(5*8)+(4*5)+(3*9)+(2*6)+(1*5)=162
162 % 10 = 2
So 503859-65-2 is a valid CAS Registry Number.

503859-65-2Downstream Products

503859-65-2Relevant articles and documents

Studies on (1S)-N-(1-phenylethyl)phthalimide: Synthesis of both chiral spiro indane and benzazepine derivatives

Chihab-Eddine, Abderrahim,Da?ch, Adam,Jilale, Abderrahim,Decroix, Bernard

, p. 449 - 456 (2002)

Chiral spiro indane and benzazepine compounds in isoindolinone series were prepared easily by π-cationic cyclization of the N-acyliminium ions (5-9) or the acylium ion (17) precursors with trifluoroacetic acid or aluminum trichloride, respectively. The stereochemistry and the ratio of diastereomeric mixtures observed during these process were also discussed.

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