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Benzoic acid, 4-(3,4-dichloro-2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

65833-20-7

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65833-20-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 65833-20-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,5,8,3 and 3 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 65833-20:
(7*6)+(6*5)+(5*8)+(4*3)+(3*3)+(2*2)+(1*0)=137
137 % 10 = 7
So 65833-20-7 is a valid CAS Registry Number.

65833-20-7Downstream Products

65833-20-7Relevant academic research and scientific papers

Synthesis and characterization of new compounds containing 1,4-dithiintetracarboxydiimide units

Gǎinǎ, Constantin

, p. 601 - 607 (2007/10/03)

New compounds containing 1,4-dithiintetracarboxydiimide units were synthesized by the disubstitution reaction of N-substituted 2,3- dichloromaleimide with sodium sulflde nonahydrate or thiourea. IR, UV-vis and 1H-NMR spectroscopy, as well as elemental analysis, confirmed their structures. Thermal conversion of 1,4-dithiine ring to thiophene was monitored by differential calorimetry (DSC) and thermogravimetric (TGA) measurements.

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