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439688-61-6

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439688-61-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 439688-61-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,9,6,8 and 8 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 439688-61:
(8*4)+(7*3)+(6*9)+(5*6)+(4*8)+(3*8)+(2*6)+(1*1)=206
206 % 10 = 6
So 439688-61-6 is a valid CAS Registry Number.

439688-61-6Downstream Products

439688-61-6Relevant articles and documents

Efficient regioselective synthesis of triheterocyclic compounds: Imidazo[2,1-b]benzothiazoles, pyrimido[2,1-b]benzothiazolones and pyrimido[2,1-b]benzothiazoles

Landreau, Cyrille,Deniaud, David,Evain, Michel,Reliquet, Alain,Meslin, Jean-Claude

, p. 741 - 745 (2002)

The preparation and characterisation of triheterocyclic compounds, via annulation reactions, are described. Amidines 1 reacted with substituted bromomethyl compounds, acid chlorides, and acrylic dienophiles to afford the corresponding imidazo[2,1-b]benzot

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