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497945-84-3

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497945-84-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 497945-84-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,9,7,9,4 and 5 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 497945-84:
(8*4)+(7*9)+(6*7)+(5*9)+(4*4)+(3*5)+(2*8)+(1*4)=233
233 % 10 = 3
So 497945-84-3 is a valid CAS Registry Number.

497945-84-3Relevant articles and documents

A synthetic route to hexahydro[1,4]oxazino[2,3-h] and [3,2-j]β-carboline derivatives

Mayer, Stanislas,Joseph, Benoit,Guillaumet, Gerald,Merour, Jean-Yves

, p. 1871 - 1878 (2007/10/03)

Convenient methods for the regioselective formylation of tetrahydro[1,4]oxazino[2,3-f] and [3,2-g]indole derivatives 3 and 4 are described. The obtained formyl derivatives 6 and 8 were further transformed in four steps into the unknown hexahydro[1,4]oxazino[2,3-h] 1 and [3,2-j]β-carbolines 2.

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