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

52775-20-9

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52775-20-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 52775-20-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,7,7 and 5 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 52775-20:
(7*5)+(6*2)+(5*7)+(4*7)+(3*5)+(2*2)+(1*0)=129
129 % 10 = 9
So 52775-20-9 is a valid CAS Registry Number.

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