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(2R,3S)-1-(tert-Butyl-dimethyl-silanyl)-3-methyl-4-oxo-azetidine-2-carboxylic acid methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

228868-32-4

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228868-32-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 228868-32-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,8,8,6 and 8 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 228868-32:
(8*2)+(7*2)+(6*8)+(5*8)+(4*6)+(3*8)+(2*3)+(1*2)=174
174 % 10 = 4
So 228868-32-4 is a valid CAS Registry Number.

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