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[(2R)-2r-(3-hydroxy-propylsulfanyl)-4-oxo-3c-(2-phenyl-acetylamino)-azetidin-1-yl]-(triphenyl-λ5-phosphanylidene)-acetic acid tert-butyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

40259-38-9

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40259-38-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 40259-38-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,2,5 and 9 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 40259-38:
(7*4)+(6*0)+(5*2)+(4*5)+(3*9)+(2*3)+(1*8)=99
99 % 10 = 9
So 40259-38-9 is a valid CAS Registry Number.

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