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(6RS)-3-((Ξ)-1-acetoxy-ethyl)-8-oxo-7c-(2-thiophen-2-yl-acetylamino)-(6rH)-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid 4-methoxy-benzyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

53289-21-7

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53289-21-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 53289-21-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,2,8 and 9 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 53289-21:
(7*5)+(6*3)+(5*2)+(4*8)+(3*9)+(2*2)+(1*1)=127
127 % 10 = 7
So 53289-21-7 is a valid CAS Registry Number.

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