Description
COA-BACKED NUTRITIONAL INGREDIENT
L-Cysteine Hydrochloride Monohydrate for B2B Formulation
L-Cysteine Hydrochloride Monohydrate 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-Cysteine Hydrochloride Monohydrate |
|---|---|
| CAS No. | 7048-04-6 |
| Form and colour | White crystalline powder |
| Assay | 99.0%-101.0% 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 | LXCB260207 |
| Manufacture date | 7 Feb 2026 |
| Shelf life | Two years when stored properly |
Representative values do not replace the current shipment COA.
Buyer Decision Guide
L-Cysteine Hydrochloride Monohydrate 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-Cysteine Hydrochloride Monohydrate
- Review specific rotation or chiral purity if applicable
- Confirm heavy metal and microbiological limits
How This Grade Differs
L-Cysteine Hydrochloride Monohydrate 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 LXCB260207 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
Which mesh size can you supply?
98% through 80 mesh as standard; other sizes are reviewed against your sieving or blending step.
Which specification figure should the purchase order reference for L-Cysteine Hydrochloride Monohydrate Powder 99%?
The figure 99.0%-101.0% on dried basis, measured by HPLC.
Which batch is the quotation based on?
The page cites representative batch LXCB260207; the current lot’s certificate governs release.
How should the material be stored after arrival?
Two years when stored properly. Keep the pack sealed; moisture uptake is the main risk for this grade.
Which particle size or presentation applies?
98% through 80 mesh
How is the material shipped?
Air and sea freight are both arranged, with the mode chosen against volume, destination and required date. Documents and the HS code are issued with the shipping instructions.
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.
What is the minimum order quantity?
The regular MOQ is typically 1 kg. An evaluation sample of 10-20 g can usually be arranged before a formal order, subject to stock.
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
