54944-19-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 54944-19-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,9,4 and 4 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 54944-19:
(7*5)+(6*4)+(5*9)+(4*4)+(3*4)+(2*1)+(1*9)=143
143 % 10 = 3
So 54944-19-3 is a valid CAS Registry Number.
54944-19-3Relevant articles and documents
Preparation of alkyl- and aryl-aminomethylphosphinic acids
Berte-Verrando, Sylvie,Nief, Francois,Patois, Carl,Savignac, Philippe
, p. 2045 - 2048 (1995)
Diethyl chloromethylphosphonate upon successive treatment with POCl3 and Grignard reagents (RMgX) gave alkyl(chloromethyl)phosphinates.Phenyl(chloromethyl)phosphinate was prepared by deuterolysis of the α-silylated α-phosphonylated ca