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Audited Supplier 1. D-Biotin characteristics
Synonyms: Vitamin B7; Vitamin H
Formula: C10H16N2O3S
Weight: 244.31 g/mol
MOQ: 1KG
Package: 2KG/carton; 1kg/tin
HS Code: 2936290090
Certificate: ISO/Kosher/Halal
Specification: EP/BP/ USP/CHP
Grade: Pharmaceutical/Food/Feed grade
Type: Pure, 10%, 2%, 1%
2. Biotin specification
Across Biotech supplies biotin pure, 10%, 2%, 1%. The quality meets the standards of BP/EP/USP/ChP.
2.1 Pure biotin USP specification
| Item | USP |
| Appearance | White or almost white crystalline powder |
| IR | Conform to RS |
| Specific rotation | +89°-+93° |
| Retention time | Should be similar to that of the reference solution |
| Loss on drying | ≤0.4% |
| Related substances | |
| Any impurity | ≤1.0% |
| Total impurities | ≤2.0% |
| Assay | 97.5-102.0% |
2.2 D-Biotin 1% food additive specification
D-biotin 1% is used in food as a nutrition enhancer.
| Item | Specification |
| Description | White to almost white free-flowing powder |
| Identification | The retention time of the principal peak in the test solution conforms to which in the reference solution |
| Assay (contains the percent of the labeled amount) | ≥90% |
| Heavy metals (as Pb) | ≤0.001% |
| Arsenic (as As) | ≤0.0003% |
| Loss on drying | ≤5% |
2.3 D-Biotin 2% feed grade specification
We supply feed grade d-biotin 2%, used in poultry and livestock industries
| Items | Specification |
| Appearance | Free-flowing nearly white powder, slightly hygroscopic |
| Identification | Conform |
| Loss on drying | Max 8.0% |
| Particle size | At least 95% pass through mesh sieve No.80 |
| Bulk density | In between 550-650 g/l |
| Assay D-Biotin | Min 2.0% |
| Item | Grade/Use |
| D Biotin Pure | USP/EP 98.5% |
| D Biotin 10% | Food Additive |
| D Biotin 2% | Feed Additive |
| D Biotin 1% | Food Additive |
1. We understand the industry, the competitive landscape of the product, the current state of production, and the characteristics of the product.
2. We not only provide products but also provide the latest industry information and product dynamics, saving you manpower and production costs.
3. We set up the warehouse near the logistics center to ensure that the products respond quickly and are sent out first.
4. Selection of shipping methods according to customer requirements. Documents, and files, were perfected in time and sent to the customer.
Across Biotech has been active in the food/feed additives industry for many years. We are located in Jinan, Shandong province, a beautiful historic city, about 3 hour drive from Qingdao port. Our own warehouse allows us to respond to customers' inquiries in the first instance and deliver products quickly.
The main products are feed/food grade vitamins, nutrition enhancers, some specific preservatives, and flavorings. We have also made an inventory of some products so that we can deliver the goods in time to ensure the normal supply of the goods.
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Audited Supplier 
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