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78984-42-6

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78984-42-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78984-42-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,9,8 and 4 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 78984-42:
(7*7)+(6*8)+(5*9)+(4*8)+(3*4)+(2*4)+(1*2)=196
196 % 10 = 6
So 78984-42-6 is a valid CAS Registry Number.

78984-42-6Relevant articles and documents

1,3-Thiazines, XVI: 2-Thioxotetrahydro-1,3-thiazin-4-ones by Use of β-Propiolactones, Part 2

Hanefeld, Wolfgang,Glaeske, Gerd,Schulze-Weisschu, Petra

, p. 587 - 594 (2007/10/02)

Reactions of β-lactones with dithiocarbamates leading to 2 and cyclization of the products yielding 2-thioxo-tetrahydro-1,3-thiazin-4-ones 3 are described.With derivatives of diketene (β-propiolactones with exocyclic double bonds) no 1,3-thiazines 6 are obtained.Instead, the amides of β-ketoacids 7 are formed with the elimination of carbon disulfide.

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