51375-54-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 51375-54-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,3,7 and 5 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 51375-54:
(7*5)+(6*1)+(5*3)+(4*7)+(3*5)+(2*5)+(1*4)=113
113 % 10 = 3
So 51375-54-3 is a valid CAS Registry Number.
51375-54-3Relevant academic research and scientific papers
INTRAMOLECULAR PRINS REACTION AND CATALYSTS SUITABLE THEREFOR
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Page/Page column 44-46, (2008/06/13)
The present invention relates to a process for the preparation of a compound of the formula B having the following steps: provision of a compound of the formula A intramolecular reaction of the compound of the formula A in the presence of an aluminium siloxide of the formula (Ia) or (Ib).