W327204
2,5-二甲基吡嗪
≥98%, FG
别名:
Ketine
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关于此项目
经验公式（希尔记法）:
C6H8N2
CAS Number:
分子量:
108.14
FEMA编号:
3272
Beilstein:
107052
EC 号:
欧洲委员会编号:
2210
MDL编号:
UNSPSC代码:
12164502
PubChem化学物质编号:
Flavis编号:
14.020
NACRES:
NA.21
Agency:
follows IFRA guidelines
生物来源
synthetic
等级
FG
Fragrance grade
Halal
Kosher
Agency
follows IFRA guidelines
管理合规性
EU Regulation 1223/2009
EU Regulation 1334/2008 & 178/2002
方案
≥98%
折射率
n20/D 1.502 (lit.)
沸点
155 °C (lit.)
密度
0.99 g/mL at 25 °C (lit.)
应用
flavors and fragrances
文件
see Safety & Documentation for available documents
食品过敏原
no known allergens
致敏芳香化合物
no known allergens
性状检查
cocoa; nutty; woody; earthy
SMILES字符串
Cc1cnc(C)cn1
InChI
1S/C6H8N2/c1-5-3-8-6(2)4-7-5/h3-4H,1-2H3
InChI key
LCZUOKDVTBMCMX-UHFFFAOYSA-N
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一般描述
2,5-二甲基吡嗪是一种吡嗪类化合物，主要在烹煮或烘烤过程中，由于糖类和蛋白质之间的美拉德反应，在熟米或烘烤花生等食品中形成。
应用
- 通过重建代谢途径和增强辅因子再生，工程化大肠杆菌由L-苏氨酸高产合成2,5-二甲基吡嗪。：研究详细介绍了*大肠杆菌*的基因工程，可提高由L-苏氨酸生成2,5-二甲基吡嗪的效率。通过重建代谢途径和改善辅因子再生，研究人员实现了更高的产量，这是该化合物工业生物生产的重大进展（Liu et al., 2024）。
- 从纳豆发酵大豆中分离的芽孢杆菌菌株生物合成吡嗪的研究。：研究探讨了从纳豆中分离的*芽孢杆菌*菌株对2,5-二甲基吡嗪等吡嗪类化合物的天然生物合成。这些发现有助于了解风味化合物的微生物生产及其在食品生物技术中的潜在应用（Klosowski et al., 2021）。
其他说明
残留物 2,6-二甲基吡嗪
警示用语：
Warning
危险声明
危险分类
Acute Tox. 4 Oral
储存分类代码
10 - Combustible liquids
WGK
WGK 3
闪点(°F)
147.2 °F - closed cup
闪点(°C)
64 °C - closed cup
个人防护装备
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
Flavor components of roasted peanuts. Some low molecular weight pyrazines and pyrrole.
Mason ME, et al.
Journal of Agricultural and Food Chemistry, 14(5), 454-460 (1966)
W Ma et al.
Biology of reproduction, 59(6), 1317-1320 (1998-11-26)
Mature female mice, grouped in the absence of a male stimulus, exhibit a suppressed estrous cycle (the so-called Lee-Boot effect). We have designed a series of experiments to elucidate the involvement of the adrenal gland in this phenomenon. Our initial
Roger N Thompson et al.
Chemical senses, 31(7), 613-619 (2006-06-08)
The social and reproductive behaviors of most mammals are modulated by pheromones, which are perceived by the vomeronasal organ (VNO). Vomeronasal transduction in vertebrates is activated through G-protein-coupled receptors, which in turn leads to the generation of inositol 1,4,5-trisphosphate (IP(3))
Katharina Mamasuew et al.
Chemical senses, 36(3), 271-282 (2010-12-15)
Based on a variety of recent findings, the Grueneberg ganglion (GG) in the vestibule of the nasal cavity is considered as an olfactory compartment. However, defined chemical substances that activate GG neurons have not been identified. In this study, the
Roger N Thompson et al.
Chemical senses, 29(9), 749-754 (2004-12-03)
Social behaviors of most mammals are affected by chemical signals, pheromones, exchanged between conspecifics. Previous experiments have shown that behavioral responses to the same pheromone differ depending on the sex and endocrine status of the respondent. Although the exact mechanism
实验方案
Separation of various pyrazines and sulfur compounds including carbon disulfide and dimethyl disulfide.
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