52744-25-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 52744-25-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,7,4 and 4 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 52744-25:
(7*5)+(6*2)+(5*7)+(4*4)+(3*4)+(2*2)+(1*5)=119
119 % 10 = 9
So 52744-25-9 is a valid CAS Registry Number.
52744-25-9Relevant academic research and scientific papers
Synthesis of (+/-)-Pterosin-M and Onitin
Raju, B.,Rao, G. S. Krishna
, p. 914 - 916 (2007/10/02)
2,4-Dimethyl-3-carbomethoxymethylanisole (3) on LAH reduction gives the alcohol (4) which is converted into the methyl ether (5).Formylation of 5 to 6, followed by Horner reaction on 6 with the appropriate phosphonate yields the unsaturated ester (7) whic
