Description
COA-BACKED NUTRITIONAL INGREDIENT
L-Threonine for B2B Formulation
L-Threonine is supplied as a single-entity amino acid for B2B nutrition, beverage and supplement formulation. The purchasing definition is the declared assay, the impurity profile and the physical form rather than a botanical identity.
COA-Backed Specification
| Identity | L-Threonine |
|---|---|
| CAS No. | 72-19-5 |
| Form and colour | Fine white crystalline powder |
| Assay | 98.5%-101.5% on dried basis |
| 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 | LXTS260119 |
| Manufacture date | 19 Jan 2026 |
| Shelf life | Two years when stored properly |
Representative values do not replace the current shipment COA.
Buyer Decision Guide
L-Threonine is specified on assay, specific rotation or chiral purity where relevant, and on heavy metal and microbiological limits. Confirm which of these your finished-product specification actually controls before approving a grade.
- Confirm assay basis and analytical method
- Check the salt or free-form identity: L-Threonine
- Review specific rotation or chiral purity if applicable
- Confirm heavy metal and microbiological limits
How This Grade Differs
L-Threonine is a single-entity amino acid. It is not interchangeable with the racemic or salt form of the same molecule, and not with a plant extract that merely contains it. Compare assay basis, salt form and impurity profile when substituting.
Compare these related grades before approval:
For a substitution review, compare botanical identity, plant part, assay target, analytical method, physical form and the current offered-batch COA.
Application Areas
- Sports nutrition and amino acid blends
- Functional beverages and instant drink powders
- Capsules, tablets and stick packs
- Clinical and enteral 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 LXTS260119 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 98.5%-101.5% on dried basis assay.
How is appearance checked?
Fine white crystalline powder, compared against a retained sample from the approved batch.
What do you declare for moisture and ash?
Both are released against the limits on the approved specification; the measured result for your lot appears on its COA.
What links the quotation to the delivered material?
The specification figure (98.5%-101.5% on dried basis) and the batch number LXTS260119 carry through from quotation to certificate.
Which test method should our QC lab expect to reproduce?
HPLC, with the reference standard and calculation basis recorded on the batch certificate.
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.
Which documents come with the shipment?
Batch COA, specification sheet, agreed third-party testing where required, commercial invoice, packing list, certificate of origin and transport documents. The exact set is confirmed against the product and destination market.
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
