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(4R,5S,2'R,3'S)-5-(2'-methyl-3'-(dimethyl-tert-butylsiloxy)butanoyl)-4-methyl-5-phenyl-1,3-oxazolidin-2-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

128329-57-7

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128329-57-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128329-57-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,3,2 and 9 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 128329-57:
(8*1)+(7*2)+(6*8)+(5*3)+(4*2)+(3*9)+(2*5)+(1*7)=137
137 % 10 = 7
So 128329-57-7 is a valid CAS Registry Number.

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