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penicillin V methoxymethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

40966-75-4

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40966-75-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 40966-75-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,9,6 and 6 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 40966-75:
(7*4)+(6*0)+(5*9)+(4*6)+(3*6)+(2*7)+(1*5)=134
134 % 10 = 4
So 40966-75-4 is a valid CAS Registry Number.

40966-75-4Relevant academic research and scientific papers

Solvolysis of the methoxymethyl protecting group in penicillin derivatives

Vanwetswinkel, Sophie,Carlier, Vincent,Marchand-Brynaert, Jacqueline,Fastrez, Jacques

, p. 2761 - 2762 (1996)

The methoxymethyl (MOM) moiety, used as protecting group for the carboxyl function of penicillin derivatives, their sulfoxides and sulfones, could be easily cleaved in aqueous methanol at room temperature. The rate of deprotection by solvolysis is not sensitive to the nature of the substituent in position 6, but depends on the state of oxidation of the thiazolidine sulfur.

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