Basic information
Product Name:Vitamin D2
CAS NO.:50-14-6
MF:C28H44O
MW:396.65
Melting Point:114-118 °C(lit.)
Boiling Point:82 º (c=3, in acetone 25 ºC)
Index of Refraction:1.5100 (estimate)
Application:Dietary supplement
Specification of Vitamin D2
| Test items | Standards |
| Appearance | White to off-white powder |
| Absorption coefficient |
460~ 490 |
| Identification | Show a positive response |
| The retention time of the main peak of the test solution is consistent with that of the main peak of the control | |
| The infrared absorption pattern is consistent with that of the control | |
| Inspections | Ergosterol: No turbidity or precipitation shall occur |
| Substances of interest: the area of a single impurity peak shall no more than 0.5% of the main peak area of the control solution, and the sum of the peak areas of the impurities shall no more than 1.0% of the main peak area of the control solution | |
| Purity |
≥98.0% |
| Assay | 97.0% to 103.0% |
Application
- Vitamin D2 is a steroid derivative, is a relationship between calcium, phosphorus metabolism of the active substances, for the prevention and treatment of rickets in children, osteoporosis in the elderly has an important role
Why Choose Us
Quality Control
QC team members are all qualified and receive regular training. A professional QA team ensures quality products and a sound documentation system is in place to support audits.
Our Services
We not only provide qualified products, but also the best pre-sales and after-sales services. Our goal is to build a long-term relationship with every customer. If you have questions or problems, please feel free to contact us by email, phone, WhatsApp... We will respond to you as soon as possible within 24 hours.
Fast Delivery
For products in stock, we can deliver immediately after receiving your payment. For synthetic chemicals, we will provide delivery time when quoting.
Packaging and Delivery
Packaging
The standard packaging for this product is 1kg/bag
Other packaging sizes are available upon request.

Shipment Term
Shipping terms depend on your needs, and they can be by air, sea or express, such as DHL, FedEx, and TNT.
Please let us know your preference before we prepare the quotation.

Company Profile

Shanghai Joy Biotech Ltd. is a professional manufacturer specializing in cosmetic ingredients, pharmaceutical raw materials, and dietary supplement ingredients, including Vitamin D2.
Our R&D team consists of PhDs, masters, and bachelor's degree holders in pharmaceuticals, chemistry, and biology.
Joy Biotech is your trusted partner for high-quality chemical products, custom synthesis, as well as CMO and CDMO services.
R&D Lab
We operate a lab in Shanghai and two R&D labs in Hangzhou, specializing in synthetic biology, chemical synthesis, and peptide research.
Our R&D team is led by a postdoctoral researcher with overseas experience and consists of 5 PhDs, 18 master's degree holders, and 25 bachelor's degree holders.
With strong expertise in route selection and optimization for chemical synthesis, Joy Biotech consistently delivers the most efficient solutions for our partners.


Factory
Total site Area: 100,000 m² (Factory: 50,000 m² | Chemical Base: 50,000 m²)Annual Intermediate Production Capacity: 2,200 MT
We give preference to green chemistry, biological methods, and enzyme catalysis from the R&D stage to ensure that the commercial production process is sustainable and environmentally friendly.



FAQ
Q:What is your minimum order quantity (MOQ)?
A:To support new brands and R&D institutions, we have no MOQ (minimum order quantity) requirements.
Q:Do you provide free samples?
A: Yes, we offer free samples for qualified buyers,but shipping costs may apply.
Q:What is the lead time for production and delivery?
A:Our best-selling products are typically stocked to ensure rapid delivery. For custom-synthesized materials, applicable lead times will be clearly indicated in the quotation.
Q:How do you ensure ingredient quality and traceability?
A:Raw materials are sourced from reliable supplier, and every step and batch undergoes testing.
Q:What documents do you provide with shipments?
A:We supply COA (Certificate of Analysis), MSDS, customs clearance documents, and other documents required by clients.

contact us to get quotation or more details!
Email: miley@joybiotech.com
Whatsapp: +8615968534750
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