Cas 80544-02-1,3-benzyloxycarbonylamino-3-methoxy-2-oxo-1-azetidinesulfonic acid, potassium salt

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Check Digit Verification of cas no

The CAS Registry Mumber 80544-02-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,5,4 and 4 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 80544-02:
(7*8)+(6*0)+(5*5)+(4*4)+(3*4)+(2*0)+(1*2)=111
111 % 10 = 1
So 80544-02-1 is a valid CAS Registry Number.

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80544-02-1Relevant academic research and scientific papers

2-OXO-1-AZETIDINESULFONIC ACID SALTS

-

, (2008/06/13)

Antibacterial activity is exhibited by beta-lactams having a sulfonic acid salt substituent in the 1-position and an amino or acylamino substituent in the 3-position.

Monobactams. The Conversion of 6-APA to (S)-3-Amino-2-oxoazetidine-1-sulfonic Acid and Its 3(RS)-Methoxy Derivative

Cimarusti, C. M.,Applegate, H. E.,Chang, H. W.,Floyd, D. M.,Koster, W. H.,et al.

, p. 179 - 180 (2007/10/02)

A facile conversion of 6-APA to (S)-3-aminomonobactamic acid (3-AMA) and its 3(RS)-methoxy derivative, key intermediates for the synthesis of 3-(acylamino)-2-oxoazetidine-1-sulfonic acids (monobactams), is described.

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