90844-14-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90844-14-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,8,4 and 4 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 90844-14:
(7*9)+(6*0)+(5*8)+(4*4)+(3*4)+(2*1)+(1*4)=137
137 % 10 = 7
So 90844-14-7 is a valid CAS Registry Number.
90844-14-7Relevant articles and documents
Use of persistent heterocyclic free-radicals in magnetic resonance imaging
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, (2008/06/13)
The present invention provides the use of a persistent ?-system free radical for the manufacture of a contrast medium for use in magnetic resonance imaging, wherein the electron delocalising ?-system of said radical comprises at least one homo or heterocy
