{"id":60443,"date":"2026-05-25T22:39:00","date_gmt":"2026-05-25T22:39:00","guid":{"rendered":"https:\/\/discover.restek.com\/?p=60443"},"modified":"2026-05-27T19:02:14","modified_gmt":"2026-05-27T19:02:14","slug":"pfas-compound-cross-reference","status":"publish","type":"post","link":"https:\/\/discover.restek.com\/de\/articles-fr\/gnot4481\/pfas-compound-cross-reference","title":{"rendered":"PFAS Compound Cross-Reference"},"content":{"rendered":"\n

Reference the table below to cross-reference PFAS compounds. For more information about our PFAS standards, visit our Reference Standard FAQ<\/a>.<\/p>\n\n\n\n

Acid Abbreviation<\/th>Acid Name<\/th>Acid CAS Number<\/th>Salt Name<\/th>Salt CAS Number<\/th><\/tr><\/thead>
Perfluoroalkane sulfonic acids\/sulfonates (PFSA)<\/strong><\/td><\/tr>
PFBS<\/td>Perfluorobutanesulfonic acid<\/td>375-73-5<\/td>Potassium Perfluorobutanesulfonate<\/td>29420-49-3<\/td><\/tr>
PFPeS<\/td>Perfluoropentanesulfonic acid<\/td>2706-91-4<\/td>Sodium Perfluoropentanesulfonate<\/td>630402-22-1<\/td><\/tr>
br-PFHxS<\/td>Perfluorohexanesulfonic acid<\/td>355-46-4<\/td>Potassium Perfluorohexanesulfonate<\/td>3871-99-6<\/td><\/tr>
PFHxS<\/td>Perfluorohexanesulfonic acid<\/td>355-46-4<\/td>Sodium Perfluorohexanesulfonate<\/td>82382-12-5<\/td><\/tr>
PFHpS<\/td>Perfluoroheptanesulfonic acid<\/td>375-92-8<\/td>Sodium Perfluoroheptanesulfonate<\/td>21934-50-9<\/td><\/tr>
br-PFOS<\/td>Perfluorooctanesulfonic acid<\/td>1763-23-1<\/td>Sodium Perfluorooctanesulfonate<\/td>4021-47-0<\/td><\/tr>
PFOS<\/td>Perfluorooctanesulfonic acid<\/td>1763-23-1<\/td>Potassium Perfluorooctanesulfonate<\/td>2795-39-3<\/td><\/tr>
PFDS<\/td>Perfluorodecanesulfonic acid<\/td>335-77-3<\/td>Sodium Perfluorodecanesulfonate<\/td>2806-15-7<\/td><\/tr>
PFNS<\/td>Perfluorononanesulfonic acid<\/td>68259-12-1<\/td>Sodium Perfluorononanesulfonate<\/td>98789-57-2<\/td><\/tr>
Fluorotelomer sulfonic acids\/sulfonates (FTS)<\/strong><\/td><\/tr>
4:2 FTS<\/td>1H,1H,2H,2H-Perfluorohexane sulfonic acid<\/td>757124-72-4<\/td>Sodium 1H,1H,2H,2H-Perfluorohexane sulfonate<\/td>27619-93-8<\/td><\/tr>
6:2 FTS<\/td>1H,1H,2H,2H-Perfluorooctane sulfonic acid<\/td>27619-97-2<\/td>Sodium 1H,1H,2H,2H-Perfluorooctane sulfonate<\/td>27619-94-9<\/td><\/tr>
8:2 FTS<\/td>1H,1H,2H,2H-Perfluorodecane sulfonic acid<\/td>39108-34-4<\/td>Sodium 1H,1H,2H,2H-Perfluorodecane sulfonate<\/td>27619-96-1<\/td><\/tr>
Polyfluoroalkyl ether carboxylic acids\/Carboxylates (PolyFEA)<\/strong><\/td><\/tr>
DONA<\/td>4,8-Dioxa-3H-perfluorononanoic acid<\/td>919005-14-4<\/td>Sodium 4,8-dioxa-3H-perfluorononanoate<\/td>2250081-67-3<\/td><\/tr>
Perfluoroalkyl ether carboxylic acids\/carboxylates (PFECA)<\/strong><\/td><\/tr>
PFMBA<\/td>Perfluoro-4-methoxybutanoic acid<\/td>863090-89-5<\/td>Sodium perfluoro(4-methoxybutanoate)<\/td>863008-55-3<\/td><\/tr>
Chloropolyfluroalkyl ether sulfonic acids\/sulfonates<\/strong><\/td><\/tr>
9Cl-PF3ONS<\/td>9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid<\/td>756426-58-1<\/td>Potassium 9-chlorohexadecafluoro-3-oxanonane-1-sulfonate<\/td>73606-19-6<\/td><\/tr>
11Cl-PF3OUdS<\/td>11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid<\/td>763051-92-9<\/td>Sodium 11-chloroeicosafluoro-3-oxaundecane-1-sulfonate<\/td>136176-45-9<\/td><\/tr>
Perfluoroalkyl ether sulfonic acids\/sulfonates (PFESA)<\/strong><\/td><\/tr>
PFEESA<\/td>Perfluoro(2-ethoxyethane)sulfonic acid<\/td>113507-82-7<\/td>Sodium Perfluoro(2-ethoxyethane)sulfonate<\/td>113507-87-2<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
<\/div>\n","protected":false},"excerpt":{"rendered":"

Reference the table below to cross-reference PFAS compounds. For more information about our PFAS standards, visit our Reference Standard FAQ. Acid Abbreviation Acid Name Acid CAS Number Salt Name Salt CAS Number Perfluoroalkane sulfonic acids\/sulfonates (PFSA) PFBS Perfluorobutanesulfonic acid 375-73-5 Potassium Perfluorobutanesulfonate 29420-49-3 PFPeS Perfluoropentanesulfonic acid 2706-91-4 Sodium Perfluoropentanesulfonate 630402-22-1 br-PFHxS Perfluorohexanesulfonic acid 355-46-4 Potassium…<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kadence_starter_templates_imported_post":false,"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[462],"tags":[2782],"industries-application":[2165],"post-badge":[],"resource-type":[564],"product-library":[],"resource-technique":[],"ppma_author":[414],"class_list":["post-60443","post","type-post","status-publish","format-standard","hentry","category-articles-fr","tag-pfas","industries-application-pfas-testing","resource-type-cross-reference"],"acf":[],"taxonomy_info":{"category":[{"value":462,"label":"Articles"}],"post_tag":[{"value":2782,"label":"PFAS"}],"industries-application":[{"value":2165,"label":"PFAS Testing"}],"resource-type":[{"value":564,"label":"Cross Reference"}]},"featured_image_src_large":false,"author_info":{"display_name":"Restek Corporation","author_link":"https:\/\/discover.restek.com\/de\/author\/restek-corporation\/"},"comment_info":0,"category_info":[{"term_id":462,"name":"Articles","slug":"articles-fr","term_group":0,"term_taxonomy_id":462,"taxonomy":"category","description":"","parent":0,"count":460,"filter":"raw","cat_ID":462,"category_count":460,"category_description":"","cat_name":"Articles","category_nicename":"articles-fr","category_parent":0}],"tag_info":[{"term_id":2782,"name":"PFAS","slug":"pfas","term_group":0,"term_taxonomy_id":2782,"taxonomy":"post_tag","description":"","parent":0,"count":113,"filter":"raw"}],"authors":[{"term_id":414,"user_id":11,"is_guest":0,"slug":"restek-corporation","display_name":"Restek Corporation","avatar_url":{"url":"https:\/\/discover.restek.com\/wp-content\/uploads\/Restek_Favicon_300x300.jpg","url2x":"https:\/\/discover.restek.com\/wp-content\/uploads\/Restek_Favicon_300x300.jpg"},"0":null,"1":"","2":"","3":"","4":"","5":"","6":"","7":"","8":""}],"_links":{"self":[{"href":"https:\/\/discover.restek.com\/de\/wp-json\/wp\/v2\/posts\/60443","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/discover.restek.com\/de\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/discover.restek.com\/de\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/discover.restek.com\/de\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/discover.restek.com\/de\/wp-json\/wp\/v2\/comments?post=60443"}],"version-history":[{"count":14,"href":"https:\/\/discover.restek.com\/de\/wp-json\/wp\/v2\/posts\/60443\/revisions"}],"predecessor-version":[{"id":95672,"href":"https:\/\/discover.restek.com\/de\/wp-json\/wp\/v2\/posts\/60443\/revisions\/95672"}],"wp:attachment":[{"href":"https:\/\/discover.restek.com\/de\/wp-json\/wp\/v2\/media?parent=60443"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/discover.restek.com\/de\/wp-json\/wp\/v2\/categories?post=60443"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/discover.restek.com\/de\/wp-json\/wp\/v2\/tags?post=60443"},{"taxonomy":"industries-application","embeddable":true,"href":"https:\/\/discover.restek.com\/de\/wp-json\/wp\/v2\/industries-application?post=60443"},{"taxonomy":"post-badge","embeddable":true,"href":"https:\/\/discover.restek.com\/de\/wp-json\/wp\/v2\/post-badge?post=60443"},{"taxonomy":"resource-type","embeddable":true,"href":"https:\/\/discover.restek.com\/de\/wp-json\/wp\/v2\/resource-type?post=60443"},{"taxonomy":"product-library","embeddable":true,"href":"https:\/\/discover.restek.com\/de\/wp-json\/wp\/v2\/product-library?post=60443"},{"taxonomy":"resource-technique","embeddable":true,"href":"https:\/\/discover.restek.com\/de\/wp-json\/wp\/v2\/resource-technique?post=60443"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/discover.restek.com\/de\/wp-json\/wp\/v2\/ppma_author?post=60443"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}