344455-90-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 344455-90-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,4,4,5 and 5 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 344455-90:
(8*3)+(7*4)+(6*4)+(5*4)+(4*5)+(3*5)+(2*9)+(1*0)=149
149 % 10 = 9
So 344455-90-9 is a valid CAS Registry Number.
344455-90-9Relevant articles and documents
Route to prepare 4-bromo-1-oxypentafluorosulfanylbenzene
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Page/Page column 4, (2008/06/13)
A process for preparing bromo-1-oxypentafluorosulfanylbenzene is provided, the process including the step of brominating pentafluorosulfanyloxybenzene with a bromination agent to provide the bromo-1-oxypentafluorosulfanylbenzene. The process is more effective than prior art processes for preparing such compounds.
