certified reference material 产品
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邻苯二甲酸双(2-乙基己基)酯 溶液分子式: C24H38O4 分子量: 390.56IUPAC Name: bis(2-ethylhexyl) benzene-1,2-dicarboxylateSMILES: CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCCInChIKey: BJQHLKABXJIVAM-UHFFFAOYSA-NInChI: InChI=1S/C24H38O4/c1-5-9-13-19(7-3)17-27-23(25)21-15-11-12-16-22(21)24(26)28-18-20(8-4)14-10-6-2/h11-12,15-16,19-20H,5-10,13-14,17-18H2,1-4H3
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5-α-胆甾烷分子式: C27H48 分子量: 372.67IUPAC Name: (5R,8R,9S,10S,13R,14S,17R)-10,13-dimethyl-17-[(2R)-6-methylheptan-2-yl]-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthreneSMILES: CC(C)CCCC(C)C1CCC2C1(CCC3C2CCC4C3(CCCC4)C)CInChIKey: XIIAYQZJNBULGD-XWLABEFZSA-NInChI: InChI=1S/C27H48/c1-19(2)9-8-10-20(3)23-14-15-24-22-13-12-21-11-6-7-17-26(21,4)25(22)16-18-27(23,24)5/h19-25H,6-18H2,1-5H3/t20-,21-,22+,23-,24+,25+,26+,27-/m1/s1