112345-71-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 112345-71-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,2,3,4 and 5 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 112345-71:
(8*1)+(7*1)+(6*2)+(5*3)+(4*4)+(3*5)+(2*7)+(1*1)=88
88 % 10 = 8
So 112345-71-8 is a valid CAS Registry Number.
112345-71-8Relevant articles and documents
Method of preparing highly pure cefpodoxime proxetil
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Page/Page column 6-7, (2008/06/13)
Highly pure cefpodoxime proxetil can be prepared by a simple process comprising the step of reacting a cefpodoxime salt with 1-iodoethylisopropylcarbonate in an organic solvent in the presence of a crown ether.