1220122-72-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1220122-72-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,0,1,2 and 2 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1220122-72:
(9*1)+(8*2)+(7*2)+(6*0)+(5*1)+(4*2)+(3*2)+(2*7)+(1*2)=74
74 % 10 = 4
So 1220122-72-4 is a valid CAS Registry Number.
1220122-72-4Relevant articles and documents
Process for preparing pyrimidine propenaldehyde
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Page/Page column 11, (2011/08/04)
The present invention relates to an improved process for preparing (2E)-3-[4-(4-fluorophenyl)-6-isopropyl-2-(N-methyl-N-methylsulfonylamino)pyrimidin-5-yl]-propenal of formula (I), which is an useful intermediate in the preparation of Rosuvastatin.