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33066-18-1

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33066-18-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 33066-18-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,0,6 and 6 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 33066-18:
(7*3)+(6*3)+(5*0)+(4*6)+(3*6)+(2*1)+(1*8)=91
91 % 10 = 1
So 33066-18-1 is a valid CAS Registry Number.

33066-18-1Relevant articles and documents

Synthesis of novel substituted isoquinolones

Briet, Nicolas,Brookes, Michael H,Davenport, Richard J,Galvin, Frances C.A,Gilbert, Philip J,Mack, Stephen R,Sabin, Verity

, p. 5761 - 5766 (2007/10/03)

A series of novel substituted isoquinolones have been synthesised. This has been achieved by two routes, either Curtius rearrangment of cinnamic acids or via an isoquinoline N-oxide.

(1+4) Cycloaddition of Vinyl Isocyanates with Isocyanides. Construction of Functionally Elaborate Pyrrolinone Derivatives

Rigby, James H.,Qabar, Maher,Ahmed, Gulzar,Hughes, Robert C.

, p. 10219 - 10228 (2007/10/02)

Reaction of alkyl isocyanides with vinyl isocyanates affords highly functionalized pyrrolinone and hydroindolone products via a novel (1+4) cyclization process.

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