{"id":24485,"date":"2025-11-03T11:53:13","date_gmt":"2025-11-03T04:53:13","guid":{"rendered":"https:\/\/nhathuocngocanh.com\/bp\/?p=24485"},"modified":"2025-11-03T11:53:13","modified_gmt":"2025-11-03T04:53:13","slug":"testosterone-phenylpropionate","status":"publish","type":"post","link":"https:\/\/nhathuocngocanh.com\/bp\/testosterone-phenylpropionate\/","title":{"rendered":"Testosterone Phenylpropionate"},"content":{"rendered":"<p>C<sub>28<\/sub>H<sub>36<\/sub>O<sub>3<\/sub> 420.6 1255-49-8<\/p>\n<p><strong>Action and use<\/strong><\/p>\n<p>Androgen.<\/p>\n<h2>DEFINITION<\/h2>\n<p>Testosterone Phenylpropionate is 3-oxo-androst-4-en-17\u03b2-yl 3-phenylpropionate. It contains not less than 97.0% and not more than 103.0% of C28H36O3, calculated with reference to the dried substance.<\/p>\n<h2>CHARACTERISTICS<\/h2>\n<p>A white to almost white, crystalline powder.<\/p>\n<p>Practically insoluble in water; sparingly soluble in ethanol (96%).<\/p>\n<h2>IDENTIFICATION<\/h2>\n<p>A. The infrared absorption spectrum, Appendix II A, is concordant with the reference spectrum of testosterone phenylpropionate (RSV 43). If the spectra are not concordant, dissolve the substances in the minimum volume of dichloromethane, evaporate to dryness and prepare a new spectrum of the residue.<\/p>\n<p>B. Complies with the test for identification of steroids, Appendix III A, using impregnating solvent III and mobile phase F.<\/p>\n<p>C. Dissolve 25 mg in 1 mL of methanol, add 2 mL of semicarbazide acetate solution, heat under a reflux condenser for 30 minutes and cool. The melting point of the resulting precipitate is about 218\u00b0, Appendix V A.<\/p>\n<h2>TESTS<\/h2>\n<h3>Melting point<\/h3>\n<p>114\u00b0 to 117\u00b0, Appendix V A.<\/p>\n<h3>Specific optical rotation<\/h3>\n<p>In a 1% w\/v solution in 1,4-dioxan, +86 to +91, calculated with reference to the dried substance, Appendix V F.<\/p>\n<h3>Loss on drying<\/h3>\n<p>When dried to constant weight at 105\u00b0, loses not more than 0.5% of its weight. Use 1 g.<\/p>\n<h3>Sulfated ash<\/h3>\n<p>Not more than 0.1%, Appendix IX A.<\/p>\n<h2>ASSAY<\/h2>\n<p>Dissolve 10 mg in sufficient absolute ethanol to produce 100 mL, dilute 5 mL to 50 mL with absolute ethanol and measure the absorbance of the resulting solution at the maximum at 240 nm, Appendix II B. Calculate the content of C<sub>28<\/sub>H<sub>36<\/sub>O<sub>3<\/sub> taking 395 as the value of A(1%, 1 cm) at the maximum at 240 nm.<\/p>\n<h2>STORAGE<\/h2>\n<p>Testosterone Phenylpropionate should be protected from light.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>C28H36O3 420.6 1255-49-8 Action and use Androgen. DEFINITION Testosterone Phenylpropionate is 3-oxo-androst-4-en-17\u03b2-yl 3-phenylpropionate. It contains not less than 97.0% and not more than 103.0% of C28H36O3, calculated with reference to the dried substance. CHARACTERISTICS A white to almost white, crystalline powder. Practically insoluble in water; sparingly soluble in ethanol (96%). IDENTIFICATION A. The infrared absorption&#8230;<\/p>\n","protected":false},"author":4,"featured_media":24514,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[176],"tags":[],"class_list":["post-24485","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-british-pharmacopoeia-veterinary-2020"],"acf":[],"_links":{"self":[{"href":"https:\/\/nhathuocngocanh.com\/bp\/wp-json\/wp\/v2\/posts\/24485","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nhathuocngocanh.com\/bp\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nhathuocngocanh.com\/bp\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nhathuocngocanh.com\/bp\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/nhathuocngocanh.com\/bp\/wp-json\/wp\/v2\/comments?post=24485"}],"version-history":[{"count":2,"href":"https:\/\/nhathuocngocanh.com\/bp\/wp-json\/wp\/v2\/posts\/24485\/revisions"}],"predecessor-version":[{"id":24516,"href":"https:\/\/nhathuocngocanh.com\/bp\/wp-json\/wp\/v2\/posts\/24485\/revisions\/24516"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nhathuocngocanh.com\/bp\/wp-json\/wp\/v2\/media\/24514"}],"wp:attachment":[{"href":"https:\/\/nhathuocngocanh.com\/bp\/wp-json\/wp\/v2\/media?parent=24485"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nhathuocngocanh.com\/bp\/wp-json\/wp\/v2\/categories?post=24485"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nhathuocngocanh.com\/bp\/wp-json\/wp\/v2\/tags?post=24485"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}