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2204-32-2

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2204-32-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2204-32-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,2,0 and 4 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 2204-32:
(6*2)+(5*2)+(4*0)+(3*4)+(2*3)+(1*2)=42
42 % 10 = 2
So 2204-32-2 is a valid CAS Registry Number.

2204-32-2Downstream Products

2204-32-2Relevant articles and documents

A NEW SYNTHESIS OF 6-THIATHIOPHTHENES FROM ACETYLENIC β-DIKETONES

Marei, Mohamed Gaber,Mishrikey, Morcos Michael

, p. 229 - 234 (2007/10/02)

A new method for the synthsis of 2,5-diaryl-6-thiathiophthenes is described involving the reaction of 1,5-diarylpent-1-yne-3,5-diones with phosphorus pentasulfide.The reaction of 3-chloro-6-thiathiophthenes with hydrazine hydrate gave pyrazole derivatives

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