4-羟基-6-甲基-2-吡喃酮 98%
供应商: Thermo Scientific
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Warning
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Synonyms:
3,5-二羟基山梨酸 δ-内酯
ACRO121560250EA
0
CNY
ACRO121560250
ACRO121560050
4-羟基-6-甲基-2-吡喃酮 98%
4-羟基-6-甲基-2-吡喃酮
分子式:
C₆H₆O₃ 分子量: 126,11 g/mol 溶点: 185…189 °C (dec.) 存储条件: Ambient |
MDL编号:
MFCD00006641 CAS号: 675-10-5 |
产品技术规格
Appearance | Off-white to brown Powder |
Infrared spectrum | Conforms |
Melting point | 186 to 192 °C |
HPLC | ≥97.5 % |
UV | at 270 nm A: ≤0.005 |
UV | 1 cm cell vs HPLC-grade water |
UV | at 205 nm Cut off |
UV | at 220 nm A: ≤0.2 |
UV | at 230 nm A: ≤0.1 |
UV | at 240 nm A: ≤0.05 |
UV | at 250 nm A: ≤0.01 |
Residue after evaporation | ≤2 ppm |
Acidity/alkalinity | ≤0.0001 meq/g |
Gradient analysis | : |
Absorbance largest eluted peak | ≤0.002 A.U. |
Filtered to 0.2 micrometer | Filtered |
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