Molekula
L-Lysine monohydrochloride
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
L-Lysine monohydrochloride is a crystalline amino acid salt used in nutritional supplements, animal feed, and pharmaceutical formulations. It serves as a source of lysine, an essential amino acid critical for protein synthesis and metabolic processes. Available in powder form, it has a molecular weight of 182.65 g/mol, a CAS number of 657-27-2, and a molecular formula of C6H14N2O2 · HCl. It is stable at ambient temperatures and has no signal word. Molekula supplies L-Lysine monohydrochloride from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Often bought together
Pricing & pack sizes
In stock — same-day dispatch
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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100 g — £23.00 per pack ex VAT · £27.60 inc. VAT
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1 kg — £69.60 per pack ex VAT · £83.52 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White crystalline powder |
| Specific rotation | +20.4 to +21.4° |
| Heavy metals | ≤0.0015% |
| Identification | Conforms to reference |
| Loss on Drying | ≤0.40% |
| Chloride (Cl-) | 19.0 - 19.6% |
| Assay | 98.5 - 101.5% |
| Residue on Ignition | ≤0.10% |
| Iron (Fe) | ≤0.003% |
| Sulphates (SO4)(2-) | ≤0.03% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 11195192 |
| CAS Number | 657-27-2 |
| IUPAC Name | (2S)-2,6-diaminohexanoic acid;hydrochloride |
| EC Number | 211-519-9 |
| Molecular Formula | C6H14N2O2 · HCl |
| Molecular Weight | 182.65 |
| Exact Mass | 182.0822 |
| SMILES | C(CCN)C[C@@H](C(=O)O)N.Cl |
| InChIKey | BVHLGVCQOALMSV-JEDNCBNOSA-N |
| InChI | InChI=1S/C6H14N2O2.ClH/c7-4-2-1-3-5(8)6(9)10;/h5H,1-4,7-8H2,(H,9,10);1H/t5-;/m0./s1 |
| PubChem CID | 69568 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 29224100 |
| Tariff Code | 2922410020 |
Safety & GHS
Precautionary statements
- P280 Wear protective gloves/protective clothing/eye protection/face protection
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Spanish.
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.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
Synonyms
- (2S)-2,6-Diaminohexanoic acid monohydrochloride
- ENISYL-F
- H-Lys-OH.HCl
- L-lysine HCl
- L-Lysine hydrochloride
- Lysine hcl, l-
- lysine hydrochloride
- Lysine, l-, monohydrochloride
- Trulysine
- VIRALYS
Frequently asked questions
What is L-Lysine monohydrochloride used for?
It is primarily used as a nutritional supplement and feed additive to support protein synthesis and growth in animals and humans.
What is the chemical formula and molecular weight of L-Lysine monohydrochloride?
The formula is C6H14N2O2 · HCl with a molecular weight of 182.65 g/mol.
How should L-Lysine monohydrochloride be stored?
It should be stored at ambient temperature, protected from moisture and light.
What grade of L-Lysine monohydrochloride does Molekula supply?
We supply pharmaceutical and food-grade L-Lysine monohydrochloride.
Can Molekula supply L-Lysine monohydrochloride in bulk?
Yes, we offer bulk quantities for industrial and commercial applications.
What documentation comes with an order of L-Lysine monohydrochloride?
Each order includes a Certificate of Analysis (CoA) and safety data sheet (SDS).
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.