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L-Cysteine Hydrochloride (USP) | High Purity Amino Acid | Food & Nutraceutical Grade | AuSaMicS
$29.00 AUD
Documentation
L-Cysteine Hydrochloride Monohydrate (USP Grade)
Sulphur-Containing Amino Acid for Nutritional, Formulation & Research Applications | Cat. No. ASF-3027
ASF-3027 CAS 7048-04-6 USP Grade Crystalline Powder 🇦🇺 Melbourne 📄 COA + SDS Available
CAS No.
7048-04-6
Mol. Weight
175.63 g/mol
Grade
USP
Form
Crystalline Powder
📄 Full DocumentationCOA & SDS every batch
🇦🇺 Australian StockNo import delays
⚡ Same-Week DispatchMelbourne warehouse
🔬 Technical SupportDirect from our team
Overview
L-Cysteine Hydrochloride Monohydrate is a sulphur-containing amino acid derivative widely used in nutritional formulations, biochemical research, and laboratory applications. It is commonly used as a source of cysteine in defined systems due to its improved stability and solubility compared to free L-cysteine.
AuSaMicS L-Cysteine Hydrochloride Monohydrate is supplied as a USP grade crystalline powder, offering high purity, consistent quality, and predictable handling characteristics. Its defined composition makes it suitable for applications requiring controlled amino acid content and reproducible performance.
Key Characteristics
USP grade purity with defined specifications
High chemical purity and batch-to-batch consistency
Free-flowing crystalline powder
Good aqueous solubility
Suitable for food, supplement, formulation, and research use
No added fillers, flavours, or excipients
High chemical purity and batch-to-batch consistency
Free-flowing crystalline powder
Good aqueous solubility
Suitable for food, supplement, formulation, and research use
No added fillers, flavours, or excipients
Functional Role
L-Cysteine is involved in normal amino acid metabolism and sulphur balance. In formulation and research contexts, L-cysteine hydrochloride monohydrate is commonly included as part of balanced amino acid profiles and defined nutrient systems. Physiological effects depend on overall formulation design and total dietary intake.
Typical Applications
💪
Sports & Active Nutrition
Amino acid blends; powders, capsules, tablets
🥤
Food & Supplement Mfg
Raw material for supplements and functional foods
🍽️
Medical Nutrition
Specialised dietary formulations
🧫
Cell Culture
Culture media supplementation
🔬
Biochemical Research
Metabolic research studies
🧪
Formulation R&D
Development and validation studies
Intended Use
⚠️ Supplied as a USP grade amino acid raw material suitable for food, supplement, formulation, and research use where permitted by local regulation. Not intended to diagnose, treat, cure, or prevent any disease. Not a therapeutic good.
Customs & Trade Information
| HS / AHECC Code | 2922.49.00 — Amino acids and their derivatives |
Chemical & Physical Information
| Product Name | L-Cysteine Hydrochloride Monohydrate |
| Catalogue Number | ASF-3027 |
| CAS Number | 7048-04-6 |
| Chemical Formula | C₃H₇NO₂S · HCl · H₂O |
| Molecular Weight | 175.63 g/mol |
| Grade | USP |
| Form | Crystalline powder |
| Appearance | White to off-white crystalline powder |
| Solubility | Soluble in water |
| Storage | Store in a cool, dry place; keep container tightly closed; protect from moisture and direct sunlight |
Typical Specifications
| Parameter | Typical Specification |
|---|---|
| Appearance | White crystals or crystalline powder |
| Identification | Concordant with the reference spectrum (IR) |
| Specific rotation [α]D25° | +5.7° to +6.8° |
| Assay (on dried basis) | 98.5 – 101.5% wt |
| Loss on drying | 8.0 – 12.0% wt |
| Sulphate (SO₄) | ≤ 0.03% wt |
| Iron (Fe) | ≤ 30 mg/kg |
| Heavy metals | ≤ 15 mg/kg |
Exact analytical values for a given shipment are provided in the batch-specific Certificate of Analysis.
Applications
| Category | Typical Use |
|---|---|
| Sports & active nutrition | Ingredient in amino acid blends and compound formulations; component of powders, capsules, and tablets |
| Food & supplement manufacturing | Raw material for nutritional supplements and functional foods; medical nutrition and specialised dietary formulations |
| Laboratory & research | Cell culture media supplementation; biochemical and metabolic research; formulation development and validation studies |
Quality & Supply Assurance
Manufactured/repackaged under controlled conditions
Supplied with Certificate of Analysis (COA)
Consistent batch-to-batch quality
Technical support available from AuSaMicS Life Science
Supplied with Certificate of Analysis (COA)
Consistent batch-to-batch quality
Technical support available from AuSaMicS Life Science
⚠️ Full 16-section GHS SDS available — support@ausamics.com
Hazard Identification (GHS 7th Ed / WHS 2023)
| Classification | Skin Corrosion/Irritation Category 2; Serious Eye Damage/Eye Irritation Category 2A; STOT — Single Exposure (Respiratory Irritation) Category 3 |
| Signal Word | Warning |
| Hazard Statements | H315 — Causes skin irritation. H319 — Causes serious eye irritation. H335 — May cause respiratory irritation. |
| Transport | Non-Dangerous Goods — not regulated for land, air, or sea transport |
Composition
| Component | % w/w | CAS No. |
|---|---|---|
| L-Cysteine hydrochloride (monohydrate) | ≥ 98% | 7048-04-6 |
Handling & PPE
| PPE | Safety glasses/chemical goggles, chemical-resistant gloves (nitrile/polychloroprene/butyl), lab coat/overalls, PVC apron; particulate respirator for bulk powder handling |
| Storage | Store locked up, in a well-ventilated place, container tightly closed, away from oxidising agents |
| Disposal | Dispose via licensed hazardous/chemical waste contractor in accordance with local regulations |
Certificate of Analysis
Each released batch of L-Cysteine Hydrochloride Monohydrate (ASF-3027) is supplied with a lot-specific Certificate of Analysis documenting the finished-product quality checks below.
| Test Parameter | Typical Specification |
|---|---|
| Appearance | White crystals or crystalline powder |
| Assay (dried basis) | 98.5 – 101.5% |
| Loss on drying | 8.0 – 12.0% |
| Heavy metals | ≤ 15 mg/kg |
| Total viable count | ≤ 1000 cfu/g |
| Yeast & mould | ≤ 25 cfu/g |
| Coliform bacteria, E. coli, Salmonella, S. aureus, Enterobacter sakazakii | Negative |
| Batch documentation | Lot number, release date, and applicable QC results included |
Batch-specific COA: Contact support@ausamics.com quoting the catalogue number and lot number.