{"id":1794,"date":"2025-11-22T12:21:39","date_gmt":"2025-11-22T12:21:39","guid":{"rendered":"https:\/\/pharmacoguide.com\/?p=1794"},"modified":"2025-12-13T08:13:59","modified_gmt":"2025-12-13T08:13:59","slug":"impurity-thresholds-as-per-ich-q3","status":"publish","type":"post","link":"https:\/\/pharmacoguide.com\/?p=1794","title":{"rendered":"Impurity-Limits As per ICH Q3"},"content":{"rendered":"<h3><span style=\"text-decoration: underline;\"><em>Drug-Product-Impurity-Thresholds As per ICH Q3<\/em><\/span><\/h3>\n<p>&nbsp;<\/p>\n<p>Reporting\/Identification\/Qualification of Impurities.<\/p>\n<p>&nbsp;<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-full wp-image-1795\" src=\"https:\/\/pharmacoguide.com\/wp-content\/uploads\/2025\/11\/impurity-limit-ICH-2008.png\" alt=\"\" width=\"850\" height=\"440\" srcset=\"https:\/\/pharmacoguide.com\/wp-content\/uploads\/2025\/11\/impurity-limit-ICH-2008.png 850w, https:\/\/pharmacoguide.com\/wp-content\/uploads\/2025\/11\/impurity-limit-ICH-2008-300x155.png 300w, https:\/\/pharmacoguide.com\/wp-content\/uploads\/2025\/11\/impurity-limit-ICH-2008-768x398.png 768w\" sizes=\"(max-width: 850px) 100vw, 850px\" \/><\/p>\n<p>&nbsp;<\/p>\n<h3><span style=\"text-decoration: underline;\"><em>Drug-Substance-Impurity-Thresholds As per ICH Q3<\/em><\/span><\/h3>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-1796\" src=\"https:\/\/pharmacoguide.com\/wp-content\/uploads\/2025\/11\/Drug-substance-impurity-thresholds.png\" alt=\"\" width=\"681\" height=\"390\" srcset=\"https:\/\/pharmacoguide.com\/wp-content\/uploads\/2025\/11\/Drug-substance-impurity-thresholds.png 681w, https:\/\/pharmacoguide.com\/wp-content\/uploads\/2025\/11\/Drug-substance-impurity-thresholds-300x172.png 300w\" sizes=\"(max-width: 681px) 100vw, 681px\" \/><\/p>\n<p>Types of Impurities- Organic Impurity (Degradation), In-organic impurity, Residual solvents (Class-I,II,III), elemental impurities, byproduct, heavy metals, reagents,ligands, salt, catalyst, toxic, process, leaching, Hydrolysis, Oxidation, reduction, stability, heat, light, contamination.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-2575\" src=\"https:\/\/pharmacoguide.com\/wp-content\/uploads\/2025\/11\/Impurity.jpg\" alt=\"\" width=\"1079\" height=\"665\" srcset=\"https:\/\/pharmacoguide.com\/wp-content\/uploads\/2025\/11\/Impurity.jpg 1079w, https:\/\/pharmacoguide.com\/wp-content\/uploads\/2025\/11\/Impurity-300x185.jpg 300w, https:\/\/pharmacoguide.com\/wp-content\/uploads\/2025\/11\/Impurity-1024x631.jpg 1024w, https:\/\/pharmacoguide.com\/wp-content\/uploads\/2025\/11\/Impurity-768x473.jpg 768w\" sizes=\"(max-width: 1079px) 100vw, 1079px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-2576\" src=\"https:\/\/pharmacoguide.com\/wp-content\/uploads\/2025\/11\/impurity-limit-ICH-2.jpg\" alt=\"\" width=\"1067\" height=\"1633\" srcset=\"https:\/\/pharmacoguide.com\/wp-content\/uploads\/2025\/11\/impurity-limit-ICH-2.jpg 1067w, https:\/\/pharmacoguide.com\/wp-content\/uploads\/2025\/11\/impurity-limit-ICH-2-196x300.jpg 196w, https:\/\/pharmacoguide.com\/wp-content\/uploads\/2025\/11\/impurity-limit-ICH-2-669x1024.jpg 669w, https:\/\/pharmacoguide.com\/wp-content\/uploads\/2025\/11\/impurity-limit-ICH-2-768x1175.jpg 768w, https:\/\/pharmacoguide.com\/wp-content\/uploads\/2025\/11\/impurity-limit-ICH-2-1004x1536.jpg 1004w\" sizes=\"(max-width: 1067px) 100vw, 1067px\" \/><\/p>\n<p style=\"text-align: center;\"><strong>Elemental Impurities- Lead, Mercury,cadmium, Nickel,cobalt, arsenic. (USP-232,233)<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-2254\" src=\"https:\/\/pharmacoguide.com\/wp-content\/uploads\/2025\/12\/Elemental-Impurity.jpg\" alt=\"\" width=\"1079\" height=\"1641\" srcset=\"https:\/\/pharmacoguide.com\/wp-content\/uploads\/2025\/12\/Elemental-Impurity.jpg 1079w, https:\/\/pharmacoguide.com\/wp-content\/uploads\/2025\/12\/Elemental-Impurity-197x300.jpg 197w, https:\/\/pharmacoguide.com\/wp-content\/uploads\/2025\/12\/Elemental-Impurity-673x1024.jpg 673w, https:\/\/pharmacoguide.com\/wp-content\/uploads\/2025\/12\/Elemental-Impurity-768x1168.jpg 768w, https:\/\/pharmacoguide.com\/wp-content\/uploads\/2025\/12\/Elemental-Impurity-1010x1536.jpg 1010w\" sizes=\"(max-width: 1079px) 100vw, 1079px\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Drug-Product-Impurity-Thresholds As per ICH Q3 &nbsp; Reporting\/Identification\/Qualification of Impurities. &nbsp; &nbsp; Drug-Substance-Impurity-Thresholds As per ICH Q3 Types of Impurities- Organic Impurity (Degradation), In-organic impurity, Residual solvents (Class-I,II,III), elemental impurities, byproduct, heavy metals, reagents,ligands, salt, catalyst, toxic, process, leaching, Hydrolysis, Oxidation, reduction, stability, heat, light, contamination. Elemental Impurities- Lead, Mercury,cadmium, Nickel,cobalt, arsenic. (USP-232,233)<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[38],"tags":[],"class_list":["post-1794","post","type-post","status-publish","format-standard","hentry","category-pharma-definition-abbreviation"],"_links":{"self":[{"href":"https:\/\/pharmacoguide.com\/index.php?rest_route=\/wp\/v2\/posts\/1794","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pharmacoguide.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pharmacoguide.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pharmacoguide.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/pharmacoguide.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1794"}],"version-history":[{"count":5,"href":"https:\/\/pharmacoguide.com\/index.php?rest_route=\/wp\/v2\/posts\/1794\/revisions"}],"predecessor-version":[{"id":2577,"href":"https:\/\/pharmacoguide.com\/index.php?rest_route=\/wp\/v2\/posts\/1794\/revisions\/2577"}],"wp:attachment":[{"href":"https:\/\/pharmacoguide.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1794"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pharmacoguide.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1794"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pharmacoguide.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1794"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}