Molekula
L-Arginine
L-Arginine is a semi-essential amino acid involved in nitrogen metabolism, urea cycle regulation, and nitric oxide synthesis. It is used in nutritional supplements, pharmaceuticals, and research applications. Available in powder form with a purity of ≥98%, CAS number 74-79-3, molecular formula C6H14N4O2, and molecular weight 174.20 g/mol. Store at ambient temperature. Signal word: Warning. Molekula supplies L-Arginine from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
L-Arginine is a semi-essential amino acid involved in nitrogen metabolism, urea cycle regulation, and nitric oxide synthesis. It is used in nutritional supplements, pharmaceuticals, and research applications. Available in powder form with a purity of ≥98%, CAS number 74-79-3, molecular formula C6H14N4O2, and molecular weight 174.20 g/mol. Store at ambient temperature. Signal word: Warning. Molekula supplies L-Arginine from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Specifications
| Property | Value |
|---|---|
| Appearance | White crystals or crystalline powder |
| Conclusion | Conforms to USP specifications |
| Loss on Drying | ≤ 0.5% |
| Chromatographic purity | Not more than 0.5% of any individual impurity is found ； Not more than 2.0% of total impurities is found |
| Assay | 98.5 - 101.5% |
| Residue on Ignition | ≤ 0.3% |
| Heavy Metals (Pb) | ≤ 0.0015% |
| Identification (IR) | Conforms to reference |
| Sulphate (SO4) | ≤ 0.03% |
| Iron (Fe): | ≤ 0.003% |
| Chloride (CI) | ≤ 0.05% |
| Specific rotation [ α ] D 2 5 | +26.3 to +27.7 |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Shelf Life | 24 months |
| Acidity | Base |
Identification
| Property | Value |
|---|---|
| CAS Number | 74-79-3 |
| Molecular Formula | C6H14N4O2 |
| Molecular Weight | 174.20 |
| SMILES | C(CC(C(=O)O)N)CN=C(N)N |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 29252900 |
| Tariff Code | 2925290090 |
Safety & GHS
-
Explosive
GHS01
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P308+313 IF exposed or concerned: Get medical advice/attention
For research and industrial use only
Documents
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Pricing & pack sizes
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is L-Arginine used for?
L-Arginine is commonly used in biochemical research, cell culture media, and as a dietary supplement to support cardiovascular and immune health.
What is the chemical formula and molecular weight of L-Arginine?
The formula is C6H14N4O2 with a molecular weight of 174.20 g/mol.
How should L-Arginine be stored?
Store at ambient temperature, protected from moisture and light.
What grade of L-Arginine does Molekula supply?
Molekula supplies L-Arginine in reagent grade, suitable for laboratory and research applications.
Can Molekula supply L-Arginine in bulk?
Yes, Molekula can supply L-Arginine in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with an order of L-Arginine?
Each order includes a Certificate of Analysis (CoA) and safety data sheet (SDS) with the shipment.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.