巴豆
巴豆名称
[ CAS 号 ]:
927-89-9
[ 中文名 ]:
左卡尼汀杂质A
[ 英文名 ]:
Levocarnitine impurity A
[英文别名 ]:
- 4-(trimethylammonio)but-2-enoate
- Crotonsaeure-betain
- (E)-4-(trimethylazaniumyl)but-2-enoate
- (2E)-4-(Trimethylammonio)-2-butenoate
- Crotonbetain
- Crotonic acid betaine
- Apocarnitin
- Croton betaine
- Crotonobetaine
巴豆物理化学性质
[ 分子式 ]:
C7H13NO2
[ 分子量 ]:
143.184
[ 精确质量 ]:
143.094635
[ PSA ]:
40.13000
[ LogP ]:
-3.17
[ 储存条件 ]:
室温
巴豆毒性和生态
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- BP2018000
- CHEMICAL NAME :
- Ammonium, (3-carboxyallyl)trimethyl-, hydroxide, inner salt
- CAS REGISTRY NUMBER :
- 927-89-9
- LAST UPDATED :
- 198912
- DATA ITEMS CITED :
- 1
- MOLECULAR FORMULA :
- C7-H13-N-O2
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Subcutaneous
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 5500 mg/kg
- TOXIC EFFECTS :
- Behavioral - convulsions or effect on seizure threshold Behavioral - fluid intake Lungs, Thorax, or Respiration - cyanosis
- REFERENCE :
- ABMGAJ Acta Biologica et Medica Germanica. (Berlin, Ger. Dem. Rep.) V.1-41, 1958-82. For publisher information, see BBIADT. Volume(issue)/page/year: 3,28,1959
巴豆文献
J. Basic Microbiol. 43(4) , 259-68, (2003)
The biotransformation of crotonobetaine and D(+)-carnitine into L(-)-carnitine is affected by salt stress in the resting cells of E. coli O44 K74 and the transformed E. coli K38 pT7-5KE32. A yield of ...
Biotransformation of crotonobetaine to L(-)-carnitine in Proteus sp.Arch. Microbiol. 175(5) , 353-9, (2001)
Two proteins, component I (CI) and component II (CII), catalyze the biotransformation of crotonobetaine to L(-)-carnitine in Proteus sp. CI was purified to electrophoretic homogeneity from cell-free e...
Molecular characterization of the cai operon necessary for carnitine metabolism in Escherichia coli.Mol. Microbiol. 13(5) , 775-86, (1994)
The sequence encompassing the cai genes of Escherichia coli, which encode the carnitine pathway, has been determined. Apart from the already identified caiB gene coding for the carnitine dehydratase, ...
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