D-(+)-Biotin ≥97.5%, white crystalline powder

Supplier: MP Biomedicals

Synonyms: Vitamin H, D-Biotin, Vitamin B8, 5-((3aS,4S,6aR)-2-Oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanoic acid, Vitamin B7

02101023.1 02101023.5 0210102301 0210102305
ICNA02101023.1EA 25.9 GBP
ICNA02101023.1 ICNA02101023.5 ICNA0210102301 ICNA0210102305
D-(+)-Biotin ≥97.5%, white crystalline powder
D(+)-Biotin

Essential vitamin that is important for amino acid and energy metabolism, and fatty acid synthesis. It is a prosthetic group in four mammalian carboxylase families and facilitates the binding and transfer of carbon dioxide.


  • Reaction (0,02% aq soln) - very slightly acidic to litmus


D-Biotin may be used to elute proteins from avidin/streptavidin resins. It is widely used for dietary supplements and fortified foods. It is also used for tablets and hard-shell capsule preparation due to its pharmaceutical properities.


Soluble in water (22 mg/100 mL), ethanol (80 mg/100 ml), more soluble in hot water and in dilute alkalies; insoluble in other common organic solvents.
Soluble in 2 M Ammonium hydroxide (50 mg/ml - clear, colorless solution), dimethylformamide (1.7 mg/ml).
Reaction (0,02% aq soln)- Very slightly acidic to Litmus


Caution: Research Use Only (RUO).

Formula: C₁₀H₁₆N₂O₃S
MW: 244,31 g/mol
Melting Pt: 232 °C (dec.)
Storage Temperature: Refrigerator
MDL Number: MFCD00005541
CAS Number: 58-85-5

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Specification Test Results

Identity Test Passes
Purity ≥97.5%
FTIR Conforms to Standard
Reaction (0.02% aq soln) Very Slightly Acidic to Litmus
Melting Point 223 - 233 °C
Optical Rotation (c=2, 0.1 N NaOH) +89 to +93 °
Organic Volatile Impurities Passes
Expiration Date Month/Day/Year

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