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(4R,5R)-4-[(2R,3S)-3-Acetoxy-1-(4-methoxy-phenyl)-4-oxo-azetidin-2-yl]-2,2,5-trimethyl-oxazolidine-3-carboxylic acid tert-butyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

144492-50-2

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144492-50-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 144492-50-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,4,4,9 and 2 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 144492-50:
(8*1)+(7*4)+(6*4)+(5*4)+(4*9)+(3*2)+(2*5)+(1*0)=132
132 % 10 = 2
So 144492-50-2 is a valid CAS Registry Number.

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