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7-Chlor-5-phenyl-thiopyrano<4,3,2-de>chinazolin is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

88884-03-1

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88884-03-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 88884-03-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,8,8,8 and 4 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 88884-03:
(7*8)+(6*8)+(5*8)+(4*8)+(3*4)+(2*0)+(1*3)=191
191 % 10 = 1
So 88884-03-1 is a valid CAS Registry Number.

88884-03-1Relevant academic research and scientific papers

Synthesis and Properties of Thiopyranoquinazolines

Dusemund, Juergen,Gruschow, Bettina

, p. 27 - 37 (1984)

Starting from the 5-aminothiochromones 5, the thiopyranoquinazolines 11 and their S,S-dioxides 2 were prepared.In contrast to 2a, which was reduced by formamide to give 17, formamide opened the thiopyranone ring of 7a to form the quinolone 20.

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