(-)-核黄素 98%
供应商: Thermo Fisher Scientific
Synonyms:
乳黄素, 维生素 B2, 维生素 G
132350250
132351000
ACRO132350250EA
0
CNY
ACRO132350250
ACRO132351000
(-)-核黄素 98%
(-)-核黄素
分子式:
C₁₇H₂₀N₄O₆ 溶点: 290 °C (dec.) 存储条件: Ambient |
MDL编号:
MFCD00005022 CAS号: 83-88-5 EINECS: 201-507-1 Merck Index: 12,08367 |
产品技术规格
Appearance | Yellow to orange Powder |
Infrared spectrum | Conforms |
Loss on drying | ≤1.5 % (105°C) |
Sulfated ash | ≤0.1 % |
Additional info | lumiflavine: passes test |
UV spectrophotometry | (A (1%/1 cm) 328, on dried substance) |
Ratio of Absorbances | 0.36 to 0.39 (A444/A267) |
Specific optical rotation | -115° to -135° (20°C, 589 nm) (c=0.5, 0.05 M NaOH) (within 30 min., on dried substance) |
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