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β-(N-Benzyloxycarbonyl-O-tert-butyl-L-seryloxy)-propionsaeure-benzylester is a complex organic compound with the molecular formula C26H33NO6. It is a derivative of propionic acid, featuring a benzyloxycarbonyl group (Cbz) protecting the amino group, a tert-butyl group protecting the hydroxyl group of serine, and a benzyl ester group. β-(N-Benzyloxycarbonyl-O-tert.butyl-L-seryloxy>-propionsaeure-benzylester is often used in peptide synthesis as a protected amino acid building block, allowing for the stepwise assembly of peptide sequences. The protecting groups are crucial for preventing unwanted side reactions during synthesis and are removed at specific stages to yield the desired peptide sequence.

18689-53-7

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18689-53-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 18689-53-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,6,8 and 9 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 18689-53:
(7*1)+(6*8)+(5*6)+(4*8)+(3*9)+(2*5)+(1*3)=157
157 % 10 = 7
So 18689-53-7 is a valid CAS Registry Number.
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