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Tetrazolo[1,5-c]quinazolin-5-amine, N,N-diphenyl- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

138769-19-4

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138769-19-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138769-19-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,7,6 and 9 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 138769-19:
(8*1)+(7*3)+(6*8)+(5*7)+(4*6)+(3*9)+(2*1)+(1*9)=174
174 % 10 = 4
So 138769-19-4 is a valid CAS Registry Number.

138769-19-4Downstream Products

138769-19-4Relevant academic research and scientific papers

Amidinoyl Isothiocyanates in the Synthesis of Condensed Heterocycles: Tetrazolo-azidoazomethine Tautomerism in Substituted Tetrazoloquinazolines

Stankovsky, Stefan,Spirkova, Katarina

, p. 849 - 852 (1991)

Isomerization of available amidinoyl isothiocyanates has been elaborated into a viable synthetic approach to sec. amine substituted tetrazoloquinazolines.The method involves isomerization to quinazoline-4-thiones, their hydrazinolysis, followed by

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