Molekula
L-Methionine
L-Methionine is an essential sulfur-containing amino acid used in nutritional supplements, animal feed, and pharmaceutical formulations. It plays a key role in protein synthesis and metabolic processes. Available in powder form with a molecular weight of 149.21 g/mol, CAS number 63-68-3, and stored at ambient temperatures. Signal word: Warning. Molekula supplies L-Methionine from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
L-Methionine is an essential sulfur-containing amino acid used in nutritional supplements, animal feed, and pharmaceutical formulations. It plays a key role in protein synthesis and metabolic processes. Available in powder form with a molecular weight of 149.21 g/mol, CAS number 63-68-3, and stored at ambient temperatures. Signal word: Warning. Molekula supplies L-Methionine from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Specifications
| Property | Value |
|---|---|
| Appearance | White crystals or crystalline powder |
| Identification | Meets the requirement |
| pH | 5.6 - 6.1 |
| Loss on Drying | ≤ 0.3% |
| Sulfate (SO4) | ≤ 0.03% |
| Assay | 98.0 - 101.5% |
| Iron | ≤ 0.003% |
| Residue on Ignition | ≤ 0.4% |
| Chloride | ≤ 0.05% |
| Heavy Metal | ≤ 0.0015% |
| Chromotograhic Purity | Not more than 2.0% of total impurities is found |
| Specific rotation [ α ] D 2 5 | +22.4° to +24.7° |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Shelf Life | 24 months |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| CAS Number | 63-68-3 |
| Molecular Formula | CH3SCH2CH2CH(NH2)CO2H |
| Molecular Weight | 149.21 |
| SMILES | CSCCC(C(=O)O)N |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| Tariff Code | 29304010 |
Safety & GHS
-
Explosive
GHS01
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- 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-Methionine used for?
L-Methionine is primarily used as an essential amino acid in nutritional supplements, animal feed, and pharmaceuticals due to its role in protein synthesis and methylation processes.
What is the chemical formula and molecular weight of L-Methionine?
The formula is C5H11NO2S and the molecular weight is 149.21 g/mol.
How should L-Methionine be stored?
Store at ambient temperature, protected from moisture and light, in a tightly sealed container.
What grade of L-Methionine does Molekula supply?
Molekula supplies L-Methionine in pharmaceutical and research-grade quality.
Can Molekula supply L-Methionine in bulk?
Yes, Molekula can supply L-Methionine in bulk quantities; please contact our sales team for pricing and availability.
What documentation comes with an order of L-Methionine?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation is available upon request.
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.