172933-33-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 172933-33-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,2,9,3 and 3 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 172933-33:
(8*1)+(7*7)+(6*2)+(5*9)+(4*3)+(3*3)+(2*3)+(1*3)=144
144 % 10 = 4
So 172933-33-4 is a valid CAS Registry Number.
172933-33-4Relevant articles and documents
Processes for the production of 5-chloro-2-(4,4-difluorobut-3-enylsulphonyl)thiazole
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, (2008/06/13)
5-Chloro-2-(4,4-difluorobutenylthio)thiazole is prepared from 2-mercaptothiazole by a multistep process involving S-alkylation, chlorination and dehydrochlorination and is converted by oxidation to the corresponding sulfone which is useful as an agricultural nematicide.
