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78708-10-8

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78708-10-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78708-10-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,7,0 and 8 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 78708-10:
(7*7)+(6*8)+(5*7)+(4*0)+(3*8)+(2*1)+(1*0)=158
158 % 10 = 8
So 78708-10-8 is a valid CAS Registry Number.

78708-10-8Downstream Products

78708-10-8Relevant articles and documents

A Versatile New Synthesis of Quinolines and Related Fused Pyridines. Part 5. The Synthesis of 2-Chloroquinoline-3-carbaldehydes

Meth-Cohn, Otto,Narine, Bramha,Tarnowski, Brian

, p. 1520 - 1530 (2007/10/02)

Acetanilides are converted into 2-chloroquinoline-3-carbaldehydes in good yield by the action of Vilsmeier's reagent in phosphoryl chloride solution.The reaction is shown to involve successive conversion of the acetanilide into an imidoyl chloride and then an N-(α-chlorovinyl)aniline.The latter enamine is diformylated at its β-position and subsequently cyclised to the chloroquinolinecarbaldehyde.The diformylated intermediates may be isolated in several cases and separately cyclised with polyphosphoric acid.

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