Riboflavine (vitamin B2) 98%

Supplier: Thermo Scientific
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Total Ratings: 0
Avg. Ratings: 0.0 out of 5

Synonyms: Lactoflavin7,8-Dimethyl-10-((2S,3S,4R)-2,3,4,5-tetrahydroxypentyl)benzo[g]pteridine-2,4(3H,10H)-dioneVitamin B2Vitamine G(-)-Riboflavin

ACRO132351000EA 78.4 GBP
ACRO132351000 ACRO132350250 ACRO132355000
Riboflavine (vitamin B2) 98%
Riboflavine (Vitamin B2)
Formula: C₁₇H₂₀N₄O₆
MW: 376.37 g/mol
Melting Pt: 290 °C (dec.)
Storage Temperature: Ambient
MDL Number: MFCD00005022
CAS Number: 83-88-5
EINECS: 201-507-1
Merck Index: 12,08367

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Specification Test Results

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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