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"Z-D-Val-D-Lac-L-Val-L-HyIv-OtBu" is a complex peptide sequence consisting of several amino acids and a protecting group. The sequence starts with Z-D-Val, where Z is a benzyloxycarbonyl protecting group, D-Val is the D-isomer of valine, an amino acid. D-Lac represents D-lactic acid, another component of the peptide. L-Val is the L-isomer of valine, and L-HyIv stands for L-hydroxyisovaleric acid, a hydroxylated derivative of isovaleric acid. The sequence ends with OtBu, which is a tert-butyloxycarbonyl protecting group. This peptide is likely used in research or pharmaceutical development, where the specific arrangement and protection of these components are crucial for its function or stability. The protecting groups are used to prevent unwanted reactions during peptide synthesis, and their removal is controlled to allow for specific chemical reactions to occur at desired times.

13499-02-0

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13499-02-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 13499-02-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,4,9 and 9 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 13499-02:
(7*1)+(6*3)+(5*4)+(4*9)+(3*9)+(2*0)+(1*2)=110
110 % 10 = 0
So 13499-02-0 is a valid CAS Registry Number.
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