Basic information
- Product Name:N-Acetyl-L-cysteine
- CAS NO.:616-91-1
- MF:C5H9NO3S
- MW:163.19
- Density:1.249 (estimate)
- Melting Point:106-108 °C(lit.)
- Boiling Point:407.7±40.0 °C(Predicted)
- Solubility:Solubility in water when heated 100 mg/mL
- Store at:2-8°C
Specification of N-Acetyl-L-cysteine
| Test items | Standards |
| Appearance | white crystals or crystalline Powder |
| Assay | 99.0~101.0% |
| PH | 2.0~2.8 |
| Specific rotation [α]D20 | +21.3°~+27° |
| State of solution | ≥98.0% |
| Chloride(Cl) | ≤0.040% |
| Ammonium(NH4) | ≤0.02% |
| Sulfate(S04) | ≤0.030% |
| lron(Fe) | ≤10ppm |
| Heavy metals(Pb) | ≤15ppm |
| Arsenic(As203) | ≤1ppm |
| Other amino acids | ≤0.5% |
| Loss on drying | ≤0.50% |
| Residue on ignition | ≤0.10% |
Bullet Points
Pharmacopoeia Compliance: Strictly complies with USP / EP / BP / ChP current standards.
Purity & Assay: ≥99.0% (HPLC / Titration), ultra-low residual solvents, and strictly controlled related substances.
Available Grades: Dietary/Nutra Grade, Oral Pharma Grade, Inhalation Grade (Controlled Aerodynamic Particle Size), and Sterile/Low-Endotoxin Injectable Grade.
Packaging: Standard 25kg/Fiber Drum (Multi-layer pharma-grade PE liner + desiccant). Custom packaging available.
Documentation: Full regulatory support (CoA, DMF/CEP ready support, BSE/TSE-Free, Non-GMO, Allergen Statement, Heavy Metal & Microbial Testing Reports).
Frequently Asked Questions (FAQ - Rich Snippets Schema)
Q1: Can Joy Biotech provide micronized or inhalation-grade NAC powder?
A: Yes. We offer specialized particle sizing and micronization services ($D_{90} < 5\,\mu\text{m}$ or customized distributions) specifically validated for dry powder inhalers (DPI), nebulization liquids, and rapid-dissolution formulations.
Q2: Does your N-Acetyl-L-Cysteine comply with both USP and EP pharmacopoeias?
A: Yes. Our pharma-grade NAC meets all monograph requirements of the latest USP, EP, BP, and JP editions. Detailed comparative testing reports and Certificates of Analysis are available upon inquiry.
Q3: What is the Minimum Order Quantity (MOQ) and lead time for 25kg bulk orders?
A: Our standard MOQ is 1 drum (25 kg). We maintain continuous safety stock for immediate dispatch within 3–5 business days for standard orders. Full container load (FCL) orders typically ship within 10–14 business days.
Packaging and delivery
Packaging
Liquids are packaged in bottles, while powders are packed in LDPE bags.
Available packaging options include 50g per bottle, 5kg per carton, or 25kg per drum, with customization available from grams to kilograms.

Delivery/Shipment
Standard shipping methods: By air, sea, or express courier.
Samples and small-quantity orders of N-Acetyl-L-cysteine can be shipped via DHL, FedEx, UPS, or TNT.

Company Profile

Joy Biotech is a professional supplier of pharmaceutical raw materials, Intermediates, building blocks, Dietary supplements, Cosmetic ingredients etc. We also do custom synthesis business, CMO and CDMO.




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