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5H-1,3,4-Thiadiazolo[3,2-a]pyrimidine-2,5(3H)-dione, 7-methyl-, 2-(phenylhydrazone) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

172218-22-3

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172218-22-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 172218-22-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,2,2,1 and 8 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 172218-22:
(8*1)+(7*7)+(6*2)+(5*2)+(4*1)+(3*8)+(2*2)+(1*2)=113
113 % 10 = 3
So 172218-22-3 is a valid CAS Registry Number.

172218-22-3Relevant academic research and scientific papers

Synthesis of N-(7-methyl-5-oxo-5H-1,3,4-thiadiazolopyrimidin-2-yl)-N'-phenylhydrazine and its reaction with bromine

Shukurov, S. Sh.,Artykova, D. A.,Nasyrov, I. M.,Zakharov, K. S.,Karakhanov, R. A.

, p. 201 - 202 (1993)

Synthesis of the title compound is described and its reaction with bromine is studied.This involves oxidation of the hydrazine moiety and sequential bromination of the benzene and thiadiazolopyrimidine nuclei to give, respectively, 2-(4-bromophenylazo)-7-

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