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土臭素标准品Geosmin Standard
for Water Analysis
Storage condition: Keep at 2-10 degrees C.
Synonym Geosmin
[4S-(4.alpha.,4a.alpha.,8a.beta.)]-octahydro-4,8a-dimethyl-4a(2H)-naphthol
[4S-(4alpha,4aalpha,8abeta)]-octahydro-4,8a-dimethyl-4a(2H)-naphthol
4a(2H)-Naphthalenol, octahydro-4,8a-dimethyl-, (4S,4aS,8aR)-
1,10-trans-dimethyl-trans-(9)-decalol
4a(2H)-Naphthalenol, octahydro-4,8a-dimethyl-, (4S-(4-alpha,4a-alpha,8a-beta))-
(-)-Geosmin
4a-alpha-(2H)-Naphthol, octahydro-4-alpha,8a-beta-dimethyl-
[4S-(4alpha,4aalpha,8abeta)]-Octahydro-4,8a-dimethyl-4a(2H)-naphthalenol
octahydro-4alpha,8abeta-dimethyl-4aalpha(2H)-naphthol
CAS NO. 19700-21-1
Molecular Formula C12H22O
Molecular Weight 182.30
Appearance: Colorless -slightly yellow, clear liquid
Purity: 98.0+% (capillary GC)
Boiling Point: 270 degrees C
Specific Rotation: -16.5°(D)
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Brevetoxin C (pbTx-3)
Form:Ivory crystal solid
Molecular weight:897.1
Molecular formula:C50H72O14
Purity: ≥ 95% by HPLC
Solubility: MeOH, EtOH or DMSO
Storage: Stable in -25 oC for 2 year
Toxicity: LD50: 0.52 mg/kg Oral to mouse
Reference: Baden, D.G., et al. 1994. Nat. Toxins 2, 212.
Rein, K., et al. 1994. J. Org. Chem. 59, 2107.
Edwards, R.A., et al. 1992. Mol. Brain Res. 14, 64.
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荷叶碱 Nuciferine 少量现货供应 预购从速
简介荷叶碱是荷叶中的一种阿朴啡型生物碱,为荷叶中的主要降脂活性成分;以晒干粉碎的荷叶为原料,采用纤维素酶预处理、稀盐酸浸提、超声波辅助提取、氯仿萃取一系列方法提取而成。
英文名称: Nuciferine
CAS登录号:475-83-2
分子式:C19H21NO2
外观:棕色至浅白色粉末
含量:98%
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2-Methylisoborneol Standard 2-甲基异莰醇
CAS NO.: 2371-42-8
Grade: for Water Analysis
Regulation / Hazardous:
Storage condition: Keep at 2-10 degrees C.
Synonym 2-Methylisoborneol
2-MIB
(1R-exo)-1,2,7,7-Tetramethylbicyclo(2,2,1)heptan-2-ol
Molecular Formula C11H20O
Molecular Weight 168.28
Appearance: White - nearly white, crystals - crystalline powder or mass
Purity: 98.0+% (Capillary GC)
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