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321885-34-1

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321885-34-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 321885-34-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,2,1,8,8 and 5 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 321885-34:
(8*3)+(7*2)+(6*1)+(5*8)+(4*8)+(3*5)+(2*3)+(1*4)=141
141 % 10 = 1
So 321885-34-1 is a valid CAS Registry Number.

321885-34-1Downstream Products

321885-34-1Relevant articles and documents

[4+2] Cycloaddition reactions between 2,4-diamino-1-thia-3-azabutadienes and ketene. Synthesis of new 1,3-thiazin-6-ones, 1,3-thiazine-6-thiones and 2-thioxopyrimidin-4-ones

Landreau, Cyrille,Deniaud, David,Reliquet, Franc?oise,Reliquet, Alain,Meslin, Jean Claude

, p. 2667 - 2677 (2007/10/03)

The reaction of 2,4-diamino-1-thia-3-azabutadienes with an excess of ketene afforded 2-amino-1,3-thiazin-6-ones and 2-thioxopyrimidin-4-ones by [4+2] cycloaddition reaction. Reaction between thiazabutadienes and ketene gave rise to aminothiazinones, which

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