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N-Acetyl-L-Cysteine (commonly known as NAC) is a stable, bioavailable derivative of L-Cysteine, a conditionally essential amino acid. Our NAC is produced via advanced fermentation and refining processes, meeting strict USP quality standards, and is a widely used functional ingredient in dietary supplements and health formulations.
≥99% purity tested by HPLC, USP grade, consistent batch quality
As a precursor to glutathione, NAC is widely recognized for supporting the body’s natural antioxidant defense system.
Factory direct bulk supply, steady inventory, on-time delivery
Free samples, complete COA/MSDS documents.
| Item | Specifications | Test Results |
|---|---|---|
| Description | White crystals or crystalline powder | White crystalline powder |
| Identification | Infrared absorption | Conforms |
| Assay,% | 98.5~102.0 | 99.20 |
| pH value | 2.0 ~ 2.8 | 2.25 |
| Melting point,℃ | 106 - 110 | 107-109 |
| Specific optical rotation [a]D20° | +21.0° ~ +27.0° | +25.4° |
| Loss on drying,% max | 1.0 | 0.13 |
| Residue on ignition，% max | 0.5 | 0.07 |
| Heavy metals（Pb）,% max | 0.001 | ＜0.001 |
| Conclusion: Agree with the specification of USP36. | ||
| Weight | Packing method |
|---|---|
| 1kg | bag/kg, box outside (double plastic bag + Aluminum foil bag inside) |
| 10kgs, 25kg or more | by Drums or carton (2 layers plastic bag inside) |
| Weight | Delivery method | Delivery time | Destination |
|---|---|---|---|
| 1kg-25kgs | EMS, DHL, UPS, Fedex | 3-7 days | Door to door |
| 25kgs-100kgs | DHL, FedEx, by Air | 3-7 days | Door to door (to Airport by Air) |
| more than 100kgs | by Air | 3-7 days | Door to Airport |
| by Sea | 10-35 days | Door to port |
