Natural Field Co., Ltd. Service Hotline 18592072629
Product 
Vitamin B7 D-Biotin
  • Brand:Natural Field
  • Model:25 kg/barrel
  • Purity:99%
  • Cas:58-85-5
  • Createtime: 2025-07-16
  • Updatetime: 2026-09-17
Product Details
deliveryInfo
aliasen
supplyCapacity 2000KG/Day
Ref. Standard USP2024
harbor China
minorder 25KG
Shelf life 24 months when properly stored.
MOQ support sample
useage food raw materials
appearance White or off-white crystalline powder
Test Method HPLC
Storage Store in cool & dry place.Keep away from strong light and heat.
Content Biotin powder
Molecular Formula C10H16N2O3S


Items

Specifications

Results

Appearance

White to white like crystalline powder

Conforms

Identification

Should meet the requirements

Conforms

Loss on drying

≤0.2%

0.04%

Specific Rotation

+89.0°~+93.0°

+91.0°

Melting range

229°C~232°C

229.8°C~231.0°C

Ash

≤0.1%

0.09%

Solution color and clarity

Solution clarity and the samples should be light in color standard

Conforms

Heavy metals

≤10ppm

<10ppm

Lead

≤2ppm

0.07ppm

Arsenic

≤1.0ppm

0.15ppm

Single impurities

≤1.0%

0.4%

Natural Field Co., Ltd. is a technology-driven enterprise dedicated to the research, production, and sales of health-care raw materials, cosmetic ingredients, and plant extracts. Our product warehouse and quality control center are located in Caotang Industrial Park, Xi’an High-tech Zone, China. The company has obtained multiple certifications, including Kosher, ISO9001, HACCP, SC production license, and food export enterprise registration. Following a resource-sharing and win-win business model, Natural Field has established a 2,000-square-meter R&D center in Shanghai and collaborates with experienced doctors and professors from both domestic and international institutions to strengthen its technical capabilities. To better support our customers, we have also introduced a dedicated product operation service model, where each project is guided by a professional team including QA, QC, product engineers, and technical experts to ensure reliable quality and comprehensive service.

FAQs

Q:How long is the supply cycle?
A: Regular orders will be shipped within 3 working days, while large orders (over 2 tons) require confirmation 10 days in advance. We have a regular safety stock and cooperate with multiple logistics companies to ensure timely transportation. Special needs can be negotiated for expedited processing.


Q:Can you provide technical support?
A: We have a professional R&D team that can provide descriptions of raw material characteristics, formula recommendations, and application cases (such as tablets, powders, soft capsules, etc.). If you need assistance with product filing, we can also provide compliance guidance.


Q:What is the minimum order quantity (MOQ)?
A:The standard MOQ is 100kg, while the MOQ for some high-value raw materials is 10kg. New customers can apply for a trial order (1-5kg) first, and the sample fee can be deducted from subsequent orders.


Q:What are the payment methods?
A:Support international trade common payment methods such as T/T and letter of credit (L/C).