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50805-40-8

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50805-40-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 50805-40-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,0,8,0 and 5 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 50805-40:
(7*5)+(6*0)+(5*8)+(4*0)+(3*5)+(2*4)+(1*0)=98
98 % 10 = 8
So 50805-40-8 is a valid CAS Registry Number.

50805-40-8Relevant articles and documents

Ozonolyses of 1,2-Diphenyl- and 2-Phenylindene

Sugimoto, Toshiya,Teshima, Koichi,Nakamura, Norinaga,Nojima, Masatomo,Kusabayashi, Shigekazu,McCullough, Kevin J.

, p. 135 - 141 (2007/10/02)

Ozonolyses of 1,2-diphenylindene (7), 2-phenylindene (18), and the structurally related acyclic keto olefins 13, 14, 26, and 32 were conducted in MeOH/CH2Cl2 at -70 and 0 deg C.The structure of the indenes, 7 and 18, and the rection temperature, were foun

1-Azidoisochromenes. A New Route to 3,1-benzoxazepines

Le Roux, Jean-Pierre,Desbene, Paul-Louis,Cherton, Jean-Claude

, p. 847 - 849 (2007/10/02)

Nucleophilic attack of sodium azide on isochromylium salts leads to the preparation of 1-azidoisochromenes which when heated lose molecular nitrogen and give 3,1-benzoxazepines.

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