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103063-55-4

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103063-55-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 103063-55-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,0,6 and 3 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 103063-55:
(8*1)+(7*0)+(6*3)+(5*0)+(4*6)+(3*3)+(2*5)+(1*5)=74
74 % 10 = 4
So 103063-55-4 is a valid CAS Registry Number.

103063-55-4Downstream Products

103063-55-4Relevant articles and documents

Bis-esters of methanediol with penicillins and penicillanic acid 1,1-dioxide

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, (2008/06/13)

6'-Acylaminopenicillanoyloxymethyl esters of penicillanic acid 1,1-dioxide are useful as antibacterial agents. The 6'-aminopenicillanoyloxymethyl ester, halomethyl esters, alkylsulfonyloxymethyl esters and arylsulfonyloxymethyl esters of penicillanic acid 1,1-dioxide are all useful intermediates for the aforesaid antibacterial agents.

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