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199885

4-甲基-1H-咪唑

98%

别名:

1H-4-甲基咪唑, 4(或5)-甲基咪唑, 4-甲基-1H-咪唑, 4-甲基咪唑, 5-甲基-1H-咪唑, 5-甲基咪唑

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关于此项目

经验公式（希尔记法）:
C4H6N2
化学文摘社编号:
822-36-6
分子量:
82.10
UNSPSC Code:
12352005
NACRES:
NA.22
PubChem Substance ID:
24851942
EC Number:
212-497-3
Beilstein/REAXYS Number:
1453
MDL number:
MFCD00005201
Assay:
98%
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Quality Level

100

assay

98%

bp

263 °C (lit.)

mp

44-47 °C (lit.)

solubility

H2O: soluble, clear, colorless to yellow (50 mg/mL)

SMILES string

Cc1c[nH]cn1

InChI

1S/C4H6N2/c1-4-2-5-3-6-4/h2-3H,1H3,(H,5,6)

InChI key

XLSZMDLNRCVEIJ-UHFFFAOYSA-N

General description

采用GC-MS 法对咖啡中的 4 (5)-甲基咪唑进行定量 。

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signalword

Danger

flash_point_f

314.6 °F - closed cup

flash_point_c

157 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

pictograms

Health hazardExclamation mark
GHS08,GHS07

Hazard Classifications

Acute Tox. 4 Oral - Carc. 1B - Repr. 1B

存储类别

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
WXBD3882V
WXBD2731V
MKCK3992
MKBV5083V
MKBN5017V

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Shinji Hashimoto et al.
Biochemistry, 45(32), 9660-9667 (2006-08-09)
Ultraviolet resonance Raman (UVRR) spectroscopy has been used to characterize the structure and hydrogen bonding state of the distal histidine (His42) in horseradish peroxidase (HRP) complexed with carbon monoxide (HRP-CO). The HRP-CO - HRP UVRR difference spectrum in D(2)O solution
Ileana Elder et al.
Archives of biochemistry and biophysics, 437(1), 106-114 (2005-04-12)
In the site-specific mutant of human carbonic anhydrase in which the proton shuttle His64 is replaced with alanine, H64A HCA II, catalysis can be activated in a saturable manner by the proton donor 4-methylimidazole (4-MI). From 1H NMR relaxivities, we
Eric D Watt et al.
Biophysical journal, 101(2), 411-420 (2011-07-20)
Rate-limiting millisecond motions in wild-type (WT) Ribonuclease A (RNase A) are modulated by histidine 48. Here, we incorporate an unnatural amino acid, thia-methylimidazole, at this site (H48C-4MI) to investigate the effects of a single residue on protein motions over multiple
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全球贸易项目编号

货号GTIN
199885-50G04061838763457
199885-250G04061838763440