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N-(4-nitro-benzyloxycarbonyl)-valine, also known as Z-Val-ONp, is a chemical compound derived from the amino acid valine. It features a 4-nitro-benzyloxycarbonyl (Z) protecting group attached to the nitrogen atom of the valine molecule. This protecting group is commonly used in peptide synthesis to prevent unwanted side reactions and ensure the correct sequence of amino acids in the final peptide product. The compound is characterized by its molecular formula C14H14N2O6 and molecular a weight of 310.27 g/mol. It is a pale yellow solid and is soluble in common organic solvents such as DMF, DMSO, and methanol. Z-Val-ONp is widely used in the synthesis of peptides and proteins, particularly in the solid-phase peptide synthesis (SPPS) method, where the protecting group can be selectively removed to allow for the addition of the next amino acid in the sequence.

19531-06-7

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19531-06-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 19531-06-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,5,3 and 1 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 19531-06:
(7*1)+(6*9)+(5*5)+(4*3)+(3*1)+(2*0)+(1*6)=107
107 % 10 = 7
So 19531-06-7 is a valid CAS Registry Number.

19531-06-7Downstream Products

19531-06-7Relevant academic research and scientific papers

2-thiosubstituted carbapenems

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, (2008/06/13)

Carbapenem antibiotic compounds of the general formula: STR1 wherein the moiety STR2 is a 4, 5 or 6 membered mono, di- or tri- substituted oxygen or sulfur containing ring; wherein Z is oxygen, sulfur, sulfoxide and sulfone, pharmaceutical compositions thereof useful for the treatment of bacterial infections, processes for preparing the compounds and new intermediates useful in the process.

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