Vitamin Ingredient
Vitamin B7 (D-Biotin) Powder Supplier
D-Biotin crystalline powder for vitamin supplement and nutritional formulations, supplied with documented quality specifications and batch testing.
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Product Overview
Core identification details for the ingredient.
Specifications & Batch Results
The table pairs each quality limit with the measured result from the referenced certificate of analysis.
| Test Item | Spezifikation | Batch Result |
|---|---|---|
| Identity & Chemical Quality | ||
| Identification — Infrared Absorption | Infrared absorption | Conform |
| Identification — HPLC Retention Time | Major peak corresponds to standard solution | Conform |
| Assay (HPLC) | 97.5%–102.0% | 99.7% |
| Spezifische Rotation | +89° to +93° | +90.7° |
| Verlust beim Trocknen | ≤0.2% | 0.04% |
| Organic Volatile Impurities | Meets USP requirement | Conform |
| Related Substances | Individual ≤1.0%; total ≤2.0% | Conform |
| Elemental Impurities | ||
| Schwermetalle | ≤10 mg/kg | <10 mg/kg |
| Arsen | ≤ 1,0 mg/kg | 0.02 mg/kg |
| Blei | ≤0.5 mg/kg | 0.02 mg/kg |
| Cadmium | ≤0.5 mg/kg | <0.5 mg/kg |
| Quecksilber | ≤ 0,1 mg/kg | <0.1 mg/kg |
| Microbiological Quality | ||
| Total Plate Count | <1.000 KBE/g | Qualifiziert |
| Yeasts & Moulds | <100 KBE/g | Qualifiziert |
| E. coli | Negative in 1 g | Negativ |
| Salmonella spp. | Negative in 10 g | Negativ |
| Staphylococcus aureus | Negative in 10 g | Negativ |
Results apply to the referenced batch, not to all future production lots. The COA identifies certain elemental and microbiological tests as performed every six months; request documentation applicable to your order.
Batch Traceability
Reference details for the lot represented by the test results above.
Anwendungen
Typical formulation formats for this vitamin ingredient. Finished-product suitability depends on dosage, processing and applicable requirements.
Kapseln und Tabletten
For single-vitamin and multivitamin finished products.
B-Complex Formulations
For formulas combining multiple B vitamins.
Nutritional Premixes
For incorporation into measured vitamin blends.
Supply & Documentation
Commercial details are confirmed against the quantity and destination of each request.
Qualitätsdokumentation
The applicable certificate of analysis can be provided for quality review.
Order Details
MOQ, packaging and lead time are quoted for the requested quantity and delivery destination.
Request a Quotation
Share your required quantity, delivery destination and any documentation needs so we can prepare the relevant commercial details.
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