4-硝基苯基-α-D-吡喃半乳糖苷,英文名:p-nitrophenyl α-D-galactopyranoside,CAS:7493-95-0,化学式:C12H15NO8,分子量:301.25,密度:

2026-03-27 10:24:45
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7493-95-0

4-硝基苯基-α-D-吡喃半乳糖苷(p-nitrophenyl α-D-galactopyranoside)

CAS: 7493-95-0

化学式: C12H15NO8

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中文名 4-硝基苯基-α-D-吡喃半乳糖苷
英文名 p-nitrophenyl α-D-galactopyranoside
别名 对硝基苯-α-D-吡喃半乳糖苷
4-硝基苯-α-D-吡喃半乳糖苷
4-硝基苯基-α-D-吡喃半乳糖苷
-硝基苯基Α-D-吡喃半乳糖苷[Α-D-牛乳糖用培养基]
4-NITROPHENYL Α-D-GALACTOPYRANOSIDE对硝基苯-Α-D-吡喃半乳糖苷
4-硝基苯基-Α-D-吡喃半乳糖苷|4-NITROPHENYL Α-D-GALACTO-PYRAN-OSIDE
4-NITROPHENYL ALPHA-D-GALACTOPYRANOSIDE 4-硝基苯-Α-D-吡喃半乳糖苷
英文别名 PNPG
231-343-6
PNP-ALPHA-GAL
PNP-ALPHA-D-GAL
PNP ALPHA-D-GALACTOPYRANOSIDE
p-nitrophenyl α-D-galactopyranoside
P-NITROPHENYL A-D-GALACTOPYRANOSIDE
P-NITROPHENYL ALPHA-D-GALACTOPYRANOSIDE
4-NITROPHENYL-ALPHA-D-GALACTOPYRANOSIDE
4-nitrophenyl alpha-D-galactopyranoside
4-Nitrophenyl-Alpha-D-Galactopyranoside
alpha-d-galactopyranoside,4-nitrophenyl
alpha-D-Galactopyranoside, 4-nitrophenyl
p-Nitrophenyl .alpha.-D-galactopyranoside
.alpha.-D-Galactopyranoside, 4-nitrophenyl
CAS 7493-95-0
EINECS 231-343-6
化学式 C12H15NO8
分子量 301.25
InChI InChI=1/C12H15NO8/c14-5-8-9(15)10(16)11(17)12(21-8)20-7-3-1-6(2-4-7)13(18)19/h1-4,8-12,14-17H,5H2/t8-,9+,10+,11-,12+/m1/s1
InChIKey IFBHRQDFSNCLOZ-IIRVCBMXSA-N
密度 1.599±0.06 g/cm3(Predicted)
熔点 166-169°C
沸点 582.2±50.0 °C(Predicted)
比旋光度 239 ° (C=1, H2O)
闪点 305.9°C
蒸汽压 2.14E-14mmHg at 25°C
溶解度 甲醇 (微溶) 、水 (微溶)
折射率 239 ° (C=1, H2O)
酸度系数 12.55±0.70(Predicted)
存储条件 -20°C
敏感性 Easily absorbing moisture
外观 固体
颜色 White to Off-White
BRN 92214
MDL号 MFCD00065050
体外研究 Using 4-nitorophenol (pNP)-glycopyranosides as pseudosubstrates, the amount of liberated pNP from the 4-Nitrophenyl α-D-galactopyranoside is significantly higher than that from the other pNP-glycopyranosides at pH 4.0 whereas no activity was detected at pH 7.0. The digestion assays using 4-nitrophenyl (pNP) glycopyranosides as artificial substrates shows that yieldin liberated galactose residues from 4-Nitrophenyl α-D-galactopyranoside mainly at pH 4.0, i.e. the pH level where yield threshold is decreased at most.
危险品标志 Xi - 刺激性物品

风险术语 36/37/38 - 刺激眼睛、呼吸系统和皮肤。
安全术语 S22 - 切勿吸入粉尘。
S24/25 - 避免与皮肤和眼睛接触。
S36 - 穿戴适当的防护服。
S26 - 不慎与眼睛接触后,请立即用大量清水冲洗并征求医生意见。
WGK Germany 3
FLUKA BRAND F CODES 3-10-21
海关编号 29400090
上游原料 三氯甲烷 无水醋酸钠 乙酸丁酯 4-硝基苯酚
参考资料 展开查看 1. 李慧, 李洁, 王清章,等. 空气放电对莲藕采后腐败菌镰刀菌M4及其侵染活性的影响[J]. 中国食品学报, 2015, 15(10):58-64.
2. [IF=7.514] Jiangtao Zhang et al."Chemical compositions and α-glucosidase inhibitory effects of anthocyanidins from blueberry, blackcurrant and blue honeysuckle fruits."Food Chem. 2019 Nov;299:125102
3. [IF=3.493] Jie Zhang et al."Exploring the catalytic mechanism of a novel β-glucosidase BGL0224 from Oenococcus oeni SD-2a: Kinetics, spectroscopic and molecular simulation."Enzyme Microb Tech. 2021 Aug;148:109814
4. [IF=3.205] Xiaorong Hou et al."Development of an immobilized liposome chromatography method for screening and characterizing α-glucosidase-binding compounds."J Chromatogr B. 2020 Jul;1148:122097
5. [IF=2.104] Jianhua Xie et al."A thermophilic fungal GH36 α-galactosidase from Lichtheimia ramosa and its synergistic hydrolysis of locust bean gum."Carbohyd Res. 2020 May;491:107911
6. [IF=5.64] Xingyu Zhai et al."Structure and Function Insight of the α-Glucosidase QsGH13 From Qipengyuania seohaensis sp. SW-135.."Front Microbiol. 2022 Mar;13:849585-849585

7493-95-0 - 简介

4-硝基苯基-α-D-吡喃半乳糖苷是一种化合物。以下是关于该化合物的性质,用途,制法和安全信息的介绍:

性质:
外观和物理性质:4-硝基苯基-α-D-吡喃半乳糖苷是白色或微黄色固体。
溶解性:它在水中溶解度较低。可溶于酒精和苯。
耐热性:该化合物在高温下分解。

用途:
化学合成:4-硝基苯基-α-D-吡喃半乳糖苷可用作有机合成中的试剂。

制法:
4-硝基苯基-α-D-吡喃半乳糖苷的制备通常经过以下步骤:
从D-吡喃葡萄糖开始进行化学修饰。
然后,在反应体系中加入硝酸和硫酸,使用硝化剂将苯基化合物与葡萄糖结合,形成4-硝基苯基-α-D-吡喃半乳糖苷。

安全信息:
4-硝基苯基-α-D-吡喃半乳糖苷属于化学品,具有一定的危害性。应遵循安全操作规程来处理和使用。
在使用和储存过程中,应远离火源和易燃物。
在操作过程中,应避免直接接触皮肤、眼睛和呼吸器官。
废弃物处理应符合相关法规和规定。
最后更新:2024-04-09 21:01:54
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