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304850-93-9

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304850-93-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 304850-93-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,4,8,5 and 0 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 304850-93:
(8*3)+(7*0)+(6*4)+(5*8)+(4*5)+(3*0)+(2*9)+(1*3)=129
129 % 10 = 9
So 304850-93-9 is a valid CAS Registry Number.

304850-93-9Downstream Products

304850-93-9Relevant articles and documents

A study of the spiropyran-merocyanine system using ion mobility-mass spectrometry: Experimental support for the cisoid conformation

Rogers, Robert A.,Rodier, Allison R.,Stanley, Jake A.,Douglas, Nick A.,Li, Xiaopeng,Brittain, William J.

, p. 3424 - 3426 (2014)

The spiropyran-merocyanine system was studied using ion mobility-mass spectrometry (IM-MS) and three major conformers were identified. Assignment of conformers is based on DFT-B3LYP energy minimized structures and collision cross-sections as light-induced changes in IM-MS. The three conformers were assigned to the spiropyran, cisoid and transoid structures.

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