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73663-56-6

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73663-56-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 73663-56-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,6,6 and 3 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 73663-56:
(7*7)+(6*3)+(5*6)+(4*6)+(3*3)+(2*5)+(1*6)=146
146 % 10 = 6
So 73663-56-6 is a valid CAS Registry Number.

73663-56-6Relevant articles and documents

Oxazoles in Organic Chemistry. 2. Application to the Synthesis of Benzylisoquinoline Alkaloids

Kozikowski, Alan P.,Ames, Anthony

, p. 2548 - 2550 (1980)

A conceptually new route to the benzylisoquinoline alkaloids has been devised.The reaction of 2-lithiooxazoles with aromatic aldehydes to generate the thermodynamically favored 2-substituted oxazoles constitutes the key step in this process.A single-pot two carbon-carbon bond-joining reaction leading to an oxazoline suitable for further transformation to a phenethylamide is also described.

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