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(S)-2-[(S)-2-tert-Butoxycarbonylamino-3-(4-ethoxythiocarbonylsulfanyl-phenyl)-propionylamino]-3-(4-hydroxy-phenyl)-propionic acid methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

128278-59-1

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128278-59-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128278-59-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,2,7 and 8 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 128278-59:
(8*1)+(7*2)+(6*8)+(5*2)+(4*7)+(3*8)+(2*5)+(1*9)=151
151 % 10 = 1
So 128278-59-1 is a valid CAS Registry Number.

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