Cas 16141-15-4,benzoic acid-(fluoren-9-ylidene-phenyl-methyl ester)

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Check Digit Verification of cas no

The CAS Registry Mumber 16141-15-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,1,4 and 1 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 16141-15:
(7*1)+(6*6)+(5*1)+(4*4)+(3*1)+(2*1)+(1*5)=74
74 % 10 = 4
So 16141-15-4 is a valid CAS Registry Number.

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16141-15-4Relevant academic research and scientific papers

PTC INDUCED ACYLATION OF ACTIVE METHYLENES

Naik, S. N.,Pandey, B.,Ayyangar, N. R.

, p. 625 - 632 (2007/10/02)

Acylation, benzoylation, toluylation and related reactions of active methylenes, e.g. indene, fluorene and diethylmalonic ester is enhanced by the use of solid-liquid phase transfer catalyst.An interesting rearrangement with phthaloyl chloride is reported under identical conditions.

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