70990
α-氰基-4-羟基肉桂酸
suitable for matrix substance for MALDI-MS, ≥99.0% (HPLC)
别名:
α-CCA, α-CHCA, α-氰基, 4-HCCA, ACCA
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关于此项目
线性分子式:
HOC6H4CH=C(CN)CO2H
化学文摘社编号:
分子量:
189.17
UNSPSC Code:
41115710
NACRES:
NA.21
PubChem Substance ID:
EC Number:
248-879-1
Beilstein/REAXYS Number:
3271427
MDL number:
Assay:
≥99.0% (HPLC)
Form:
solid
Quality Segment
assay
≥99.0% (HPLC)
form
solid
analyte chemical class(es)
glycans, peptides, proteins
technique(s)
MALDI-MS: suitable
mp
245-250 °C
solubility
methanol: 10 mg/mL, clear
cation traces
Ba: ≤5 mg/kg, Ca: ≤10 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, K: ≤5 mg/kg, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, Na: ≤10 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Zn: ≤5 mg/kg
absorption
≥2000 at 337 nm (mol. absorption)
suitability
suitable for matrix substance for MALDI-MS
SMILES string
OC(=O)\C(=C\c1ccc(O)cc1)C#N
InChI
1S/C10H7NO3/c11-6-8(10(13)14)5-7-1-3-9(12)4-2-7/h1-5,12H,(H,13,14)/b8-5+
InChI key
AFVLVVWMAFSXCK-VMPITWQZSA-N
General description
α-氰基-4-羟基肉桂酸（α-CHCA）广泛用作基质，以促进基质辅助激光解吸/电离（MALDI）飞行时间（TOF）质谱仪中肽和蛋白的电离。
Application
α-CHCA用作改善MALDI-TOF上低浓度蛋白消化物检测的基质。
Other Notes
蛋白质组学中MALDI-MS（基质辅助激光解吸电离质谱）肽分析用基质。
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signalword
Warning
hcodes
Hazard Classifications
Skin Sens. 1B
存储类别
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves