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(6R)-3-chloro-7t-((R)-2-hydroxy-2-phenyl-acetylamino)-8-oxo-(6rH)-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid 4-nitro-benzyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

54003-21-3

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54003-21-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 54003-21-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,0,0 and 3 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 54003-21:
(7*5)+(6*4)+(5*0)+(4*0)+(3*3)+(2*2)+(1*1)=73
73 % 10 = 3
So 54003-21-3 is a valid CAS Registry Number.

54003-21-3Relevant academic research and scientific papers

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