Riboflavine (vitamin B2) 98%
Supplier: Thermo Scientific Chemicals
13235-5000
13235-0250
13235-1000
TS13235-5000EA
377
USD
TS13235-5000
TS13235-0250
TS13235-1000
Riboflavine (vitamin B2) 98%
Riboflavine (vitamin B2)
Formula:
C₁₇H₂₀N₄O₆ Melting Pt: 290 °C (dec.) Storage Temperature: Ambient |
MDL Number:
MFCD00005022 CAS Number: 83-88-5 EINECS: 201-507-1 Merck Index: 12,08367 |
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 | (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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