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(6R,7R)-7-((S)-2-Hydroxy-2-phenyl-acetylamino)-3-(1-methyl-1H-tetrazol-5-ylsulfanylmethyl)-8-oxo-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

91530-71-1

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91530-71-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91530-71-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,5,3 and 0 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 91530-71:
(7*9)+(6*1)+(5*5)+(4*3)+(3*0)+(2*7)+(1*1)=121
121 % 10 = 1
So 91530-71-1 is a valid CAS Registry Number.

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