犬尿素

犬尿素用途

Kynurenine is a metabolite of the essential amino acid tryptophan metabolized via the tryptophan-kynurenine pathway. It causes vasodilation and hypotension induced by activation of KCNQ-encoded voltage-dependent K(+) channels..

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犬尿素名称

[ CAS 号 ]:
343-65-7

[ 中文名 ]:
DL-犬尿氨酸

[ 英文名 ]:
Kynurenine

[中文别名 ]:

犬尿素

[英文别名 ]:

DL-Kynurenin
rac Kynurenine-13C2,15N
EINECS 206-445-9
Alanine, 3-anthraniloyl-, DL-
DL-2-Amino-3-(2-aminobenzoyl)propionic acid
Alanine, 3-anthraniloyl-
Kynurenin
(±)-Kynurenine
3-anthraniloyl-alanine
3-Anthraniloylalanine

犬尿素物理化学性质

[ 密度 ]:
1.3±0.1 g/cm3

[ 沸点 ]:
466.6±45.0 °C at 760 mmHg

[ 熔点 ]:
~235 °C (dec.)

[ 分子式 ]:
C₁₀H₁₂N₂O₃

[ 分子量 ]:
208.214

[ 闪点 ]:
236.0±28.7 °C

[ 精确质量 ]:
208.084793

[ PSA ]:
106.41000

[ LogP ]:
1.09

[ 外观性状 ]:
深黄粉末

[ 蒸汽压 ]:
0.0±1.2 mmHg at 25°C

[ 折射率 ]:
1.626

[ 储存条件 ]:
室温

犬尿素MSDS

详细MSDS(安全技术说明书)

犬尿素安全信息

[ 个人防护装备 ]:
Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter

[ 危险品运输编码 ]:
NONH for all modes of transport

[ WGK德国 ]:
3

[ 海关编码 ]:
2922509090

犬尿素合成路线

详细合成路线

犬尿素上下游产品

犬尿素上游产品

犬尿素下游产品

犬尿素海关

[ 海关编码 ]: 2922509090

[ 中文概述 ]:
2922509090. 其他氨基醇酚、氨基酸酚及其他含氧基氨基化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件：AB. 最惠国关税:6.5%. 普通关税:30.0%

[ 申报要素 ]: 品名, 成分含量, 用途, 乙醇胺及其盐应报明色度, 乙醇胺及其盐应报明包装

[ 监管条件 ]: A.入境货物通关单 B.出境货物通关单

[ 检验检疫 ]: R.进口食品卫生监督检验 S.出口食品卫生监督检验

[ Summary ]:
2922509090. other amino-alcohol-phenols, amino-acid-phenols and other amino-compounds with oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

犬尿素文献

Metabolite profile analysis reveals association of vitamin B-6 with metabolites related to one-carbon metabolism and tryptophan catabolism but not with biomarkers of inflammation in oral contraceptive users and reveals the effects of oral contraceptives on these processes.

J. Nutr. 145(1) , 87-95, (2015)

The use of oral contraceptives (OCs) has been associated with low plasma pyridoxal 5'-phosphate (PLP). The functional consequences are unclear.To determine whether functional vitamin B-6 insufficiency...

Automated screening of urine samples for carbohydrates, organic and amino acids after treatment with urease.

J. Chromatogr. A. 562(1-2) , 125-38, (1991)

Eighty-five clinical urine samples and nineteen urine samples previously found by other laboratories to suggest genetic metabolic defects were prepared for trimethylsilylation by treatment with urease...

Quinolinic acid and kynurenine pathway metabolism in inflammatory and non-inflammatory neurological disease.

Brain 115 ( Pt 5) , 1249-73, (1992)

Neurological dysfunction, seizures and brain atrophy occur in a broad spectrum of acute and chronic neurological diseases. In certain instances, over-stimulation of N-methyl-D-aspartate receptors has ...

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犬尿素