{"id":1054,"date":"2023-02-24T09:19:25","date_gmt":"2023-02-24T01:19:25","guid":{"rendered":"https:\/\/app.lemaidi888.com\/?p=1054"},"modified":"2023-02-24T09:19:25","modified_gmt":"2023-02-24T01:19:25","slug":"l-%e8%9b%8b%e6%b0%a8%e9%85%b8-63-68-3-%e7%91%9e%e5%a8%81%e5%b0%94%e7%94%9f%e7%89%a9%e7%a7%91%e6%8a%80","status":"publish","type":"post","link":"https:\/\/app.lemaidi888.com\/?p=1054","title":{"rendered":"L-\u86cb\u6c28\u9178 | 63-68-3 | \u745e\u5a01\u5c14\u751f\u7269\u79d1\u6280"},"content":{"rendered":"\n
\u4e2d\u6587\u540d<\/td>L-\u86cb\u6c28\u9178<\/td><\/tr>
\u4e2d\u6587\u540c\u4e49<\/td>DL-\u7532\u786b\u6c28;L-2-\u6c28\u57fa-4-\u7532\u786b\u57fa\u4e01\u9178;L-\u7532\u786b\u6c28\u9178;L-\u86cb\u6c28\u9178;L-\u7532\u786b\u6c28\u57fa\u9178;L-\u86cb\u6c28\u9178\u781c, 98+%;(S)-2-\u6c28\u57fa-4-(\u7532\u57fa\u5def\u57fa)\u4e01\u9178;L-\u86cb\u6c28\u9178(25KG\u8d77\u5b9a)<\/td><\/tr>
\u82f1\u6587\u540d<\/td>L-Methionine<\/td><\/tr>
\u82f1\u6587\u540c\u4e49<\/td>L-Met-OH;L-Methionine, Animal-Free;L-METHIONINE (13C5,D8,15N);L-METHIONINE (1,2,3,4-13C4;METHYL-13CH3);L-METHIONINE, REAGENT GRADE, >=98% (;L-MethionineUSP,
98.5-101.5% (Titration: anhydrous basis);L(-)-Methionin<\/td><\/tr>
CAS<\/td>63-68-3<\/strong><\/td><\/tr>
\u5206\u5b50\u5f0f<\/td>C5H11NO2S<\/td><\/tr>
\u5206\u5b50\u91cf<\/td>149.21<\/td><\/tr>
EINECS<\/td>200-562-9<\/td><\/tr>
\u7ed3\u6784\u5f0f<\/td>\"L-\u86cb\u6c28\u9178\"<\/td><\/tr>
\u6027\u8d28<\/td><\/tr>
\u7194\u70b9<\/td>284 \u00b0C (dec.)(lit.)<\/td><\/tr>
\u6bd4\u65cb\u5149\u5ea6<\/td>23.25 \u00ba (c=2, 6N HCl)<\/td><\/tr>
\u6cb8\u70b9<\/td>393.91\u00b0C (estimate)<\/td><\/tr>
\u5bc6\u5ea6<\/td>1,34g\/cm<\/td><\/tr>
\u6298\u5c04\u7387<\/td>1.5216 (estimate)<\/td><\/tr>
\u50a8\u5b58\u6761\u4ef6<\/td>Store at RT.<\/td><\/tr>
\u6eb6\u89e3\u5ea6<\/td>1 M HCl: 0.5 M at 20 \u00b0C, clear, colorless<\/td><\/tr>
\u5f62\u6001<\/td>Solid<\/td><\/tr>
\u9178\u5ea6\u7cfb\u6570(pKa)<\/td>2.13(at 25\u2103)<\/td><\/tr>
\u989c\u8272<\/td>White<\/td><\/tr>
PH\u503c<\/td>5-7 (10g\/l, H2O, 20\u2103)<\/td><\/tr>
\u65cb\u5149\u6027 (optical activity)<\/td>[\u03b1]20\/D +23.7\u00b10.5\u00b0, c = 5% in 5 M HCl<\/td><\/tr>
\u6c34\u6eb6\u89e3\u6027<\/td>Soluble<\/td><\/tr>
\u6700\u5927\u6ce2\u957f(\u03bbmax)<\/td>\u03bb: 260 nm Amax: 0.40
\u03bb: 280 nm Amax: 0.05<\/td><\/tr>
Merck<\/td>14,5975<\/td><\/tr>
BRN<\/td>1722294<\/td><\/tr>
\u7a33\u5b9a\u6027<\/td>Stable. Incompatible with strong oxidizing agents.<\/td><\/tr>
NIST\u5316\u5b66\u7269\u8d28\u4fe1\u606f<\/td>L-Methionine(63-68-3)<\/td><\/tr>
EPA\u5316\u5b66\u7269\u8d28\u4fe1\u606f<\/td>L-Methionine (63-68-3)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u672c\u516c\u53f8\u7684\u6240\u6709\u4ea7\u54c1\u4ec5\u7528\u4e8e\u79d1\u5b66\u7814\u7a76\u6216\u8005\u5de5\u4e1a\u5e94\u7528\u7b49\u975e\u533b\u7597\u76ee\u7684\uff0c\u4e0d\u53ef\u7528\u4e8e\u4eba\u7c7b\u6216\u52a8\u7269\u7684\u4e34\u5e8a\u8bca\u65ad\u6216\u6cbb\u7597\uff0c\u975e\u836f\u7528\uff0c\u975e\u98df\u7528\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u4e2d\u6587\u540d L-\u86cb\u6c28\u9178 \u4e2d\u6587\u540c\u4e49 DL-\u7532\u786b\u6c28;L-2-\u6c28\u57fa-4-\u7532\u786b\u57fa\u4e01\u9178;L-\u7532\u786b\u6c28\u9178;L-\u86cb\u6c28\u9178;L-\u7532\u786b\u6c28 […]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1054","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/app.lemaidi888.com\/index.php?rest_route=\/wp\/v2\/posts\/1054","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/app.lemaidi888.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/app.lemaidi888.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/app.lemaidi888.com\/index.php?rest_route=\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/app.lemaidi888.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1054"}],"version-history":[{"count":1,"href":"https:\/\/app.lemaidi888.com\/index.php?rest_route=\/wp\/v2\/posts\/1054\/revisions"}],"predecessor-version":[{"id":1055,"href":"https:\/\/app.lemaidi888.com\/index.php?rest_route=\/wp\/v2\/posts\/1054\/revisions\/1055"}],"wp:attachment":[{"href":"https:\/\/app.lemaidi888.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1054"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/app.lemaidi888.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1054"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/app.lemaidi888.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1054"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}