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(4R,5R)-6-[2-Hydroxy-eth-(E)-ylidene]-4-methyl-7-oxo-3-(pyridin-2-ylmethylsulfanyl)-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid allyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

140458-84-0

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140458-84-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 140458-84-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,0,4,5 and 8 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 140458-84:
(8*1)+(7*4)+(6*0)+(5*4)+(4*5)+(3*8)+(2*8)+(1*4)=120
120 % 10 = 0
So 140458-84-0 is a valid CAS Registry Number.

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