羧甲司坦
蛋白磷酸酯酶抑制剂
蛋白磷酸酯酶抑制剂
CALYCULIN A
CALYCULIN A;CALYCULIN A, DISCODERMIA CALYX;calyculin A from discodermia calyx;CALYCULIN A FROM DISCODERMIA CALYX, 10 U G;N-[(3S)-[4-(1E)-3-[(2R,3R,4R,7S,8S,9R)-2-[(1S,3S,4S,5R,7E,9E,11E,13Z)-14-Cyano-3,5-dihydroxy-1-methoxy-4,6,8,9,13-pentam;L-Ribonamide, N-(3S)-3-4-(1E)-3-(2R,3R,5R,7S,8S,9R)-2-(1S,3S,4S,5R,6R,7E,9E,11E,13Z)-14-cyano-3,5-dihydroxy-1-methoxy-4,6,8,9,13-pentamethyl-7,9,11,13-tetradecatetraenyl-9-hydroxy-4,4,8-trimethyl-3-(phosphonooxy)-1,6-dioxaspiro4.5dec-7-yl-1-propenyl-2-oxa;C05370;N-[(3S)-[4-(1E)-3-[(2R,3R,4R,7S,8S,9R)-2-[(1S,3S,4S,5R,7E,9E,11E,13Z)-14-Cyano-3,5-dihydroxy-1-methoxy-4,6,8,9,13-pentamethyl-7,9,11,13-tetradecatetraenyl]-9-hydroxy-4,4,8-trimethyl-3-(phosphonooxy)-1,6-dioxaspiro[4.5]dec-7-yl]-1-propenyl]-2-oxazoly]butyl]-4-deoxy-4-(dimethylamino)-5-O-methyl-L-ribonamide
C50H81N4O15P
1009.17
本品为白色结晶性粉末；无臭。本品在热水中略溶，在水中极微溶解，在乙醇或丙酮中不溶；在酸或碱溶液中易溶。比旋度 取本品5g，精密称定，加水与5mol/L氢氧化钠溶液各10ml使溶解，溶液应澄清，用2mol/L盐酸溶液中和至pH为6.0，溶液转移至50ml量瓶中，加水至刻度，摇匀，依法测定，比旋度为-32.5度至-36.0度。
适用于慢性支气管炎、支气管哮喘、咽炎、喉头炎、肺结核、肺癌等呼吸道疾病引起的痰液粘稠、咳痰困难及有痰栓形成者。另外，可用于小儿非化脓性中耳炎，以防耳聋。
