甲藻甾烷

甲藻甾烷
	IUPAC名; 4α,23,24-Trimethylcholestane; (4R,5S,8S,9S,10S,13R,14S,17R)-4,10,13-trimethyl-17-[(2R,4S,5S)-4,5,6-trimethylheptan-2-yl]-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene
	系統名; (1S,2S,6R,7S,10S,11S,14R,15R)-2,6,15-trimethyl-14-[(1R,3S,4S)-1,3,4,5-tetramethylhexyl]tetracyclo[8.7.0.02,7.011,15]heptadecane; (1S,2S,6R,7S,10S,11S,14R,15R)-2,6,15-三甲基-14-[(1R,3S,4S)-1,3,4,5-四甲基己基]四環[8.7.0.02,7.011,15]十七烷
識別
CAS號	146276-36-0; 146276-34-8; 146276-33-7; 146276-37-1
SMILES	CC1CCCC2(C1CCC3C2CCC4(C3CCC4C(C)CC(C)C(C)C(C)C)C)C;
性質
化學式	C30H54
摩爾質量	414.75 g·mol−1
相關物質
相關化合物	Cholestane;
	若非註明，所有數據均出自標準狀態（25 ℃，100 kPa）下。

甲藻甾烷（英語：Dinosterane，或稱作4α,23,24-三甲基膽甾烷，4α,23,24-trimethylcholestane）是一種C30甾烷^[1]。在地質學上，甲藻甾烷常作為生物標誌物來鑑定雙鞭毛蟲門（甲藻）化石^[2]，原因是其衍生物甲藻甾醇主要存在於甲藻^[3]，很少存在於其它生物^[1]，但個別海洋矽藻物種也會產生甲藻甾醇^[2]。

參考文獻

^ ^1.0 ^1.1 Moldowan, J. Michael; Talyzina, Nina M. Biogeochemical Evidence for Dinoflagellate Ancestors in the Early Cambrian. Science. 1998-08-21, 281 (5380): 1168–1170. Bibcode:1998Sci...281.1168M. ISSN 0036-8075. PMID 9712575. doi:10.1126/science.281.5380.1168 （英語）.
^ ^2.0 ^2.1 Thomas, J. B.; Marshall, J.; Mann, A. L.; Summons, R. E.; Maxwell, J. R. Dinosteranes (4,23,24-trimethylsteranes) and other biological markers in dinoglagellate-rich marine sediments of Rhaetian age. Organic Geochemistry. 1993-01-01, 20 (1): 91–104. doi:10.1016/0146-6380(93)90084-O.
^ Robinson, N.; Eglinton, G.; Brassell, S. C. Dinoflagellate origin for sedimentary 4alpha-methylsteroids and 5alpha(H)-stanols. Nature. 1984-03-01, 308 (5958): 439–442. Bibcode:1984Natur.308..439R. ISSN 0028-0836. doi:10.1038/308439a0.

[:0-1] 1.0 ^1.1 Moldowan, J. Michael; Talyzina, Nina M. Biogeochemical Evidence for Dinoflagellate Ancestors in the Early Cambrian. Science. 1998-08-21, 281 (5380): 1168–1170. Bibcode:1998Sci...281.1168M. ISSN 0036-8075. PMID 9712575. doi:10.1126/science.281.5380.1168 （英語）.

[:1-2] 2.0 ^2.1 Thomas, J. B.; Marshall, J.; Mann, A. L.; Summons, R. E.; Maxwell, J. R. Dinosteranes (4,23,24-trimethylsteranes) and other biological markers in dinoglagellate-rich marine sediments of Rhaetian age. Organic Geochemistry. 1993-01-01, 20 (1): 91–104. doi:10.1016/0146-6380(93)90084-O.

[:2-3] Robinson, N.; Eglinton, G.; Brassell, S. C. Dinoflagellate origin for sedimentary 4alpha-methylsteroids and 5alpha(H)-stanols. Nature. 1984-03-01, 308 (5958): 439–442. Bibcode:1984Natur.308..439R. ISSN 0028-0836. doi:10.1038/308439a0.

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