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19177-84-5

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19177-84-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 19177-84-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,1,7 and 7 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 19177-84:
(7*1)+(6*9)+(5*1)+(4*7)+(3*7)+(2*8)+(1*4)=135
135 % 10 = 5
So 19177-84-5 is a valid CAS Registry Number.

19177-84-5Relevant articles and documents

An Efficient Synthesis of New 2-Aryl-5-phenylazenyl-1,3,4-oxadiazole Derivatives from N, N' -Diarylcarbonohydrazides

Kedzia, Anna,Jasiak, Karolina,Kudelko, Agnieszka

supporting information, p. 1745 - 1748 (2018/06/26)

A series of new 1,3,4-oxadiazoles conjugated to aromatic substituents by an azo linker was synthesized in a four-step reaction sequence, involving cyclodehydration of a N, N' -diacylhydrazine fragment and dehydrogenation of the neighboring hydrazine fragm

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