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3-(2-Oxo-azetidin-1-yl)-2-phenoxymethyl-benzoic acid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

81461-89-4

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81461-89-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81461-89-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,4,6 and 1 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 81461-89:
(7*8)+(6*1)+(5*4)+(4*6)+(3*1)+(2*8)+(1*9)=134
134 % 10 = 4
So 81461-89-4 is a valid CAS Registry Number.

81461-89-4Relevant academic research and scientific papers

SELECTIVE CLEAVAGE OF ESTER AND ETHER FUNCTIONS WITH BBr3 OR Me3SiX IN SUBSTITUTED N-ARYLAZETIDINONES

Wakselman, Michel,Zrihen, Maryse

, p. 333 - 336 (1982)

At -30 deg C BBr3 is a milder reagent than Me3SiI and Me3SiCl + NaI for the cleavage of methyl or tert-butyl esters and benzyl ether group of the title β-lactams without destroying the azetidinone ring.

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