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5-(3-Phenyl-thiazolidin-2-yliden)-2,2-dimethyl-1,3-dioxan-4,6-dion is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

133567-65-4

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133567-65-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 133567-65-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,5,6 and 7 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 133567-65:
(8*1)+(7*3)+(6*3)+(5*5)+(4*6)+(3*7)+(2*6)+(1*5)=134
134 % 10 = 4
So 133567-65-4 is a valid CAS Registry Number.

133567-65-4Downstream Products

133567-65-4Relevant academic research and scientific papers

Reactions of Meldrum's Acid with Isocyanates and Isothiocyanates

Augustin, Manfred,Guenther, Eckhard

, p. 1005 - 1015 (1990)

Meldrum's acid (1) reacts with isothiocyanates and LiH as base, yielding after alkylation the ketene-S,N-acetales 3, 4 and 5.Protonation of the lithium-thiolate 2 gives the thioamides 7 with tautomers 8, which can be methylated with diazomethane to 9.From

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