Riboflavin (Vitamin B2) 98%
Lieferant: Thermo Scientific
Synonyme:
Lactoflavin
, Vitamin B2
, 6,7-Dimethyl-9-D-ribitylisoalloxazin
, 7,8-Dimethyl-10-(D-ribo-2,3,4,5-tetrahydroxypentyl)-benzo[g]pteridin-2,4(3H,10H)-dion
, Vitamin G
, (-)-Riboflavin
ACRO132351000EA
105
EUR
ACRO132351000
ACRO132350250
ACRO132355000
Riboflavin (Vitamin B2) 98%
Riboflavin (Vitamin B2)
Formel:
C₁₇H₂₀N₄O₆ Molecular Weight: 376,37 g/mol Schmelzpunkt: 290 °C (Zersetzung) Lagertemperatur: Raumtemperatur |
MDL:
MFCD00005022 CAS-Nummer: 83-88-5 EINECS: 201-507-1 Merck Index: 12,08367 |
Spezifikation Testergebnisse
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 | ≥97.5 % (lambda max. 444 nm) |
UV spectrophotometry | (A (1%/1 cm) 328, on dried substance) |
Ratio of Absorbances | 0.31 to 0.33 (A373/A267) |
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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