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Each entry provides product names alongside catalog numbers, CAS numbers where available, molecular formulas, molecular weights, purity levels, and stock status. The collection includes protected amino acid methyl esters, amino acid amides, hydrochloride salts, and Boc (tert-butoxycarbonyl) derivatives, supporting procurement and specification alignment for research and pharmaceutical chemistry workflows.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":35,"@type":76,"position":81},"https://docshare.wps.com/document/healthcare/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/amino-acids-and-peptides-catalog-of-amino-acid-derivatives/181845/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/amino-acids-and-peptides-catalog-of-amino-acid-derivatives/181845.png","ImageObject",300,407,{"name":92,"@type":93},"Putri","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-22","2026-09-02",true,{"@type":102,"interactionType":103,"userInteractionCount":44},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What information is provided for each amino acid/peptide derivative entry?","Question",{"text":112,"@type":113},"Each entry includes the compound name, catalog number, CAS number (when available), molecular formula, molecular weight, purity (98%), and stock status (Inquire).","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"Does the catalog include salts and protected forms of amino acids?",{"text":117,"@type":113},"Yes. The list contains hydrochloride salts and protected derivatives such as Boc (tert-butoxycarbonyl) forms and methyl ester variants.",{"name":119,"@type":110,"acceptedAnswer":120},"How can molecular formula and molecular weight help when selecting compounds?",{"text":121,"@type":113},"Molecular formula and molecular weight enable specification verification and help ensure the correct chemical identity and expected composition for downstream synthesis or analysis.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},181845,1788346194,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":34,"category_name":35,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":44,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":19,"language":139,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":140,"faqs":141,"seo_title":142,"seo_description":67,"update_tm":129,"read_time":52},962085571259,"https://ap-avatar.wpscdn.com/davatar_29158cc5080c5b710cf443261637dec0","| |  | |  | |  | |  |\n| --- | --- | --- | --- | --- | --- | --- | --- |\n| Methyl L-alaninate hydrochloride (or) H-Ala-OMe•HCl |  | Ethyl L-alaninate hydrochloride (or) H-Ala-OEt•HCl |  | Isopropyl L-alaninate hydrochloride (or) H-Ala-OiPr•HCl |  | (S)-2-aminopropanamide hydrochloride (or) H-Ala-NH2•HCl |  |\n| Cat. No. : | VB2489 | Cat. No. : | VB2490 | Cat. No. : | VB24891 | Cat. No. : | VB2492 |\n| CAS No. : | 2491-20-5 | CAS No. : | 1115-59-9 | CAS No. : | 39825-33-7 | CAS No. : | 33208-99-0 |\n| Mol.\u003Cbr>Formula : | C4H10ClNO2 | Mol.\u003Cbr>Formula : | C5H12ClNO2 | Mol.\u003Cbr>Formula : | C6H14ClNO2 | Mol.\u003Cbr>Formula : | C3H9ClN2O |\n| Mol. Wt : | 139.5790 | Mol. Wt : | 153.6060 | Mol. Wt : | 167.6330 | Mol. Wt : | 124.5680 |\n| Purity : | 98% | Purity : | 98% | Purity : | 98% | Purity : | 98% |\n| Stock : | Inquire | Stock : | Inquire | Stock : | Inquire | Stock : | Inquire |\n\n\n| |  | |  | |  | |  |\n| --- | --- | --- | --- | --- | --- | --- | --- |\n| (S)-2-aminobutanamide hydrochloride (or) H-AbuNH2•HCl |  | Ethyl (S)-2-aminopentanoate hydrochloride / Ethyl (S) -Norvaline hydrochloride / HNva-OEt•HCl |  | Isopropyl (S)-2-aminopentanoate hydrochloride |  | (S)-2-(2-oxopyrrolidin-1-yl)butanamide / Levetiracetam |  |\n| Cat. No. : | VB2493 | Cat. No. : | VB2494 | Cat. No. : | VB24895 | Cat. No. : | VB2496 |\n| CAS No. : | 7682-20-4 | CAS No. : | 40918-51-2 | CAS No. : | 1568007-27-1 | CAS No. : | 102767-28-2 |\n| Mol.\u003Cbr>Formula : | C4H11ClN2O | Mol.\u003Cbr>Formula : | C7H16ClNO2 | Mol.\u003Cbr>Formula : | C8H18ClNO2 | Mol.\u003Cbr>Formula : | C8H14N2O2 |\n| Mol. Wt : | 138.5950 | Mol. Wt : | 181.6600 | Mol. Wt : | 195.6870 | Mol. Wt : | 170.2120 |\n| Purity : | 98% | Purity : | 98% | Purity : | 98% | Purity : | 98% |\n| Stock : | Inquire | Stock : | Inquire | Stock : | Inquire | Stock : | Inquire |\n\n\n| |  | |  | |  | |  |\n| --- | --- | --- | --- | --- | --- | --- | --- |\n| (R)-2-(2-oxopyrrolidin-1-yl)butanamide / Levetiracetam |  | (S)-2-(2-oxopyrrolidin-1-yl)butanoic acid |  | L-Phenyl alaninamide hydrochloride |  | (tert-Butoxycarbonyl)-Lphenylalanine |  |\n| Cat. No. : | VB2497 | Cat. No. : | VB2498 | Cat. No. : | VB2499 | Cat. No. : | VB2500 |\n| CAS No. : | 103765-01-1 | CAS No. : | 102849-49-0 | CAS No. : | 65864-22-4 | CAS No. : | 13734-34-4 |\n| Mol.\u003Cbr>Formula : | C8H14N2O2 | Mol.\u003Cbr>Formula : | C8H13NO3 | Mol.\u003Cbr>Formula : | C9H13ClN2O | Mol.\u003Cbr>Formula : | C14H19NO4 |\n| Mol. Wt : | 170.2120 | Mol. Wt : | 171.1960 | Mol. Wt : | 200.6660 | Mol. Wt : | 265.3090 |\n| Purity : | 98% | Purity : | 98% | Purity : | 98% | Purity : | 98% |\n| Stock : | Inquire | Stock : | Inquire | Stock : | Inquire | Stock : | Inquire |\n\n\n| |  | |  | |  | |  |\n| --- | --- | --- | --- | --- | --- | --- | --- |\n| Methyl L-phenylalaninate hydrochloride / (S) -Phenylalanine methyl ester hydrochloride |  | Methyl (tertbutoxycarbonyl)-Lphenylalaninate |  | (S)-2-((tertButoxycarbonyl)amino)-3,3-dimethylbutanoic acid / BocTle-OH/ N-Boc-L-tert-Leucine/ Boc-L-tert-leucine |  | (S)-3,3-dimethyl-2-(2,2,2-trifluoroacetamido)butanoic acid |  |\n| Cat. No. : | VB2501 | Cat. No. : | VB2502 | Cat. No. : | VB2503 | Cat. No. : | VB2504 |\n| CAS No. : | 7524-50-7 | CAS No. : | 51987-73-6 | CAS No. : | 62965-35-9 | CAS No. : | 666832-71-9 |\n| Mol.\u003Cbr>Formula : | C10H14ClNO2 | Mol.\u003Cbr>Formula : | C15H21NO4 | Mol.\u003Cbr>Formula : | C11H21NO4 | Mol.\u003Cbr>Formula : | C8H12F3NO3 |\n| Mol. Wt : | 215.6770 | Mol. Wt : | 279.3360 | Mol. Wt : | 231.2920 | Mol. Wt : | 227.1832 |\n| Purity : | 98% | Purity : | 98% | Purity : | 98% | Purity : | 98% |\n| Stock : | Inquire | Stock : | Inquire | Stock : | Inquire | Stock : | Inquire |\n\n\n| |  | |  | |  | |  |\n| --- | --- | --- | --- | --- | --- | --- | --- |\n| Methyl (2S,4R)-4-\u003Cbr>hydroxypyrrolidine-2-carboxylate |  | Methyl (2S,4R)-1-((S)-2-((tertbutoxycarbonyl)amino)-3,3-dimethylbutanoyl)-4-hydroxypyrrolidine-2-carboxylate |  | Methyl (2R,4S)-1-((S)-2-((tertbutoxycarbonyl)amino)-3,3-dimethylbutanoyl)-4-hydroxypyrrolidine-2-carboxylate |  | (S)-1-(4-(4-Methylthiazol-5-yl)p","cbCaihadtImCG4hr","https://ap.wps.com/l/cbCaihadtImCG4hr","pdf",230855,"English","# Product Entries\n## Catalog Number, CAS, Purity, Stock\n## Molecular Formula and Molecular Weight","[{\"question\":\"What information is provided for each amino acid/peptide derivative entry?\",\"answer\":\"Each entry includes the compound name, catalog number, CAS number (when available), molecular formula, molecular weight, purity (98%), and stock status (Inquire).\"},{\"question\":\"Does the catalog include salts and protected forms of amino acids?\",\"answer\":\"Yes. The list contains hydrochloride salts and protected derivatives such as Boc (tert-butoxycarbonyl) forms and methyl ester variants.\"},{\"question\":\"How can molecular formula and molecular weight help when selecting compounds?\",\"answer\":\"Molecular formula and molecular weight enable specification verification and help ensure the correct chemical identity and expected composition for downstream synthesis or analysis.\"}]","Amino Acids and Peptides - Catalog of Amino Acid Derivatives | PDF"]