{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9676811","patent":{"patent_number":"US-9676811","title":"Testosterone derivatives with a carboxyalkyl substitution in position 3 and use thereof for the production of labelled steroids for determining the concentration of testosterone in a biological sample","assignee":null,"inventors":[],"filing_date":"2013-12-12T00:00:00.000Z","publication_date":"2017-06-13T00:00:00.000Z","cpc_codes":["G01N"],"num_claims":21,"abstract":"A testosterone derivative of formula (I):where n is an integer in a range of from 1 to 10, and Y represents an activated or ready-to-be-activated group allowing formation of an amide bond with a primary amine of a molecule. Conjugates including the testosterone derivatives and a marker, methods for determining the concentration of testosterone in a biological sample, and methods for preparing the testosterone derivatives are also provided."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Testosterone derivatives with a carboxyalkyl substitution in position 3 and use thereof for the production of labelled steroids for determining the concentration of testosterone in a biological sample","description":"A testosterone derivative of formula (I):where n is an integer in a range of from 1 to 10, and Y represents an activated or ready-to-be-activated group allowing formation of an amide bond with a prima","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9676811","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-9676811","citation_suggestion":"Patentable. \"Testosterone derivatives with a carboxyalkyl substitution in position 3 and use thereof for the production of labelled steroids for determining the concentration of testosterone in a biological sample\" (US-9676811). https://patentable.app/patents/US-9676811","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9676811","json":"https://patentable.app/api/llm-context/US-9676811","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T06:45:03.456Z"}