Description
COA-BACKED NUTRITIONAL INGREDIENT
Vitamin D3 Crystal for B2B Fortification
Vitamin D3 Crystal is supplied for B2B fortification and premix projects. Specification centres on the declared potency, the carrier system and the stability behaviour in your finished format.
COA-Backed Specification
| Identity | Vitamin D3 Crystal |
|---|---|
| CAS No. | 67-97-0 |
| Form and colour | White to off-white crystalline solid |
| Assay | 40 MIU/g |
| Method | HPLC |
| Particle size | 98% through 80 mesh |
| Loss on drying | <=5.0% |
| Ash | <=5.0% |
| Heavy metals | Within the limits of the approved specification |
| Microbiological limits | Within the limits of the approved specification |
| Representative batch | LXDC260116 |
| Manufacture date | 16 Jan 2026 |
| Shelf life | Two years when stored properly |
Representative values do not replace the current shipment COA.
Buyer Decision Guide
Vitamin grades are specified by potency, carrier and purity, and the same vitamin name can cover several physical forms. Confirm the exact form and the analytical method before comparing quotations; overage and stability requirements are project-specific.
- Confirm the exact physical form and carrier
- Check declared potency and the assay method
- Review stability and overage needs for your format
- Confirm light, heat and oxygen sensitivity in handling
How This Grade Differs
Vitamin D3 Crystal must be compared on physical form, carrier and declared potency rather than on the vitamin name alone. Powder, oil, crystal and diluted forms behave differently in blending, dosing and shelf life.
Compare these related grades before approval:
For a substitution review, confirm the vitamin D3 identity, 40 MIU/g potency and HPLC method, crystal delivery form and the current offered-batch COA. D2 and D3, or powder, oil and crystal grades, require separate specification approval.
Application Areas
- Vitamin premixes and dry blends
- Tablets, capsules and softgels
- Functional beverages and fortified foods
- Private-label nutrition projects
Packaging and Delivery
- Evaluation sample typically 10-20 g, subject to stock
- Regular MOQ typically 1 kg
- 1 kg foil bag or 25 kg fibre drum with inner food-grade liner
- Custom packing and private-label options subject to confirmation
- Typical lead time 7-15 working days after deposit
Quality and Documentation
Representative batch LXDC260116 supports the specification table above. Use the cited record for preliminary comparison and request the offered-lot COA for final technical approval. Batch COA, specification sheet, agreed third-party testing and export documents are available for buyer verification.
Frequently Asked Questions
How do you control related substances?
Related substances are integrated on the same HPLC run used for the 40 MIU/g assay.
Which particle size or presentation applies?
98% through 80 mesh
How should the material be stored after arrival?
Two years when stored properly. Keep the pack sealed; observe the handling guidance on the specification.
Can the COA be matched to the lot you ship?
Yes. The certificate is issued for the shipped lot, which is the batch LXDC260116 referenced on the specification.
Which specification figure should the purchase order reference for Vitamin D3 Crystal 40 MIU/g?
The figure 40 MIU/g, measured by HPLC.
What is the usual lead time?
Regular production normally takes 7-15 working days after deposit, depending on stock, volume, testing and customisation requirements.
Can I get a sample before placing the order?
Yes. An evaluation sample is normally available before a formal order. Sample quantity, courier account and destination are confirmed at the time of request.
Can I review the COA before I pay?
Yes. Request the current or representative COA and check identity, method, limits and results before approving the purchase order.
Request COA, Sample or Quotation
Send your target specification, application, order quantity, destination country and required test limits.
Get the current batch COA, a sample or a quotation
