144951-09-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 144951-09-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,4,9,5 and 1 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 144951-09:
(8*1)+(7*4)+(6*4)+(5*9)+(4*5)+(3*1)+(2*0)+(1*9)=137
137 % 10 = 7
So 144951-09-7 is a valid CAS Registry Number.
144951-09-7Relevant articles and documents
An efficient entry to perfluoroalkyl substituted azoles starting from β- perfluoroalkyl-β-dicarbonyl compounds
Bravo,Diliddo,Resnati
, p. 8827 - 8836 (2007/10/02)
5-Perfluoroalkylpyrazoles 6,5-perfluoroalkylisoxazoles 11, and 4- perfluoroacylisoxazoles 13 are obtained in high chemical yields and complete site and regioselectivity through the reaction of β-perfluoroalkyl-β- dicarbonyls 2 with hydrazonyl halides 1 an
