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(2R)-2r,3,4c-trimethyl-5c-phenyl-2-[(S)-1-(toluene-4-sulfonyl)-ethyl]-oxazolidine is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

72157-40-5

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72157-40-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 72157-40-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,1,5 and 7 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 72157-40:
(7*7)+(6*2)+(5*1)+(4*5)+(3*7)+(2*4)+(1*0)=115
115 % 10 = 5
So 72157-40-5 is a valid CAS Registry Number.

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