Riboflavin (Vitamin B2) 98%

Lieferant: Thermo Scientific

Synonyme: LactoflavinVitamin B26,7-Dimethyl-9-D-ribitylisoalloxazin7,8-Dimethyl-10-(D-ribo-2,3,4,5-tetrahydroxypentyl)-benzo[g]pteridin-2,4(3H,10H)-dionVitamin 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

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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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