Molekula
L-Histidine monohydrochloride monohydrate
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-Histidine monohydrochloride monohydrate is a crystalline amino acid salt used in cell culture media, nutritional supplements, and biochemical research. It is available in high purity with a molecular weight of 209.63 g/mol, a molecular formula of C6H9N3O2 · HCl · H2O, and a CAS number of 5934-29-2. Stored at ambient temperatures, it carries a warning signal word due to potential irritant properties. Molekula supplies L-Histidine monohydrochloride monohydrate 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.
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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25 g — £28.60 per pack ex VAT · £34.32 inc. VAT
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100 g — £62.60 per pack ex VAT · £75.12 inc. VAT
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500 g — £151.10 per pack ex VAT · £181.32 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 |
| Heavy metals | ≤ 10ppm |
| pH | 3.0 - 5.0 |
| Loss on Drying | ≤ 0.2% |
| Chloride (Cl-) | 16.66 - 17.08% |
| Assay | 98.5 - 101.0 % |
| Residue on Ignition | ≤ 0.1% |
| Specific optical rotation | +8.5 to +9.5° |
| Iron (Fe) | ≤ 10ppm |
| Identification (IR) | Conforms to reference |
| Arsenic (As) | ≤ 1ppm |
| Ammonium (NH4+) | ≤ 0.02% |
| Sulphates (SO4)(2-) | ≤ 0.020% |
| State of Solution | ≥ 98.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 41915465 |
| CAS Number | 5934-29-2 |
| IUPAC Name | (2S)-2-amino-3-(1H-imidazol-5-yl)propanoic acid;hydrate;hydrochloride |
| Molecular Formula | C6H9N3O2 · HCl · H2O |
| Molecular Weight | 209.63 |
| Exact Mass | 209.0567 |
| SMILES | C1=C(NC=N1)C[C@@H](C(=O)O)N.O.Cl |
| InChIKey | CMXXUDSWGMGYLZ-XRIGFGBMSA-N |
| InChI | InChI=1S/C6H9N3O2.ClH.H2O/c7-5(6(10)11)1-4-2-8-3-9-4;;/h2-3,5H,1,7H2,(H,8,9)(H,10,11);1H;1H2/t5-;;/m0../s1 |
| PubChem CID | 165377 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 29332990 |
| Tariff Code | 2933299090 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H319 Causes serious eye irritation
Precautionary statements
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P337+313 If eye irritation persists get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, 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
- Histidine hydrochloride hydrate
- histidine hydrochloride monohydrate
- Histidine monohydrochloride monohydrate
- HISTIDINE, L-, HYDROCHLORIDE MONOHYDRATE
- HISTIDINE, L-, MONOHYDROCHLORIDE MONOHYDRATE
- Histidine, monohydrochloride, monohydrate, L-
- L-Histidine HCl hydrate
- L-Histidine hydrochloride hydrate
- L-Histidine Hydrochloride Monohydrate
- L-HISTIDINE, HYDROCHLORIDE, HYDRATE (1:1:1)
Frequently asked questions
What is L-Histidine monohydrochloride monohydrate used for?
It is primarily used as a nutritional supplement and in cell culture media to support cell growth and protein synthesis.
What is the chemical formula and molecular weight?
The formula is C6H9N3O2 · HCl · H2O with a molecular weight of 209.63 g/mol.
How should L-Histidine monohydrochloride monohydrate be stored?
Store at ambient temperature, protected from moisture and light.
What grade is available?
Available in analytical grade for laboratory use.
Can Molekula supply this in bulk?
Yes, Molekula can supply L-Histidine monohydrochloride monohydrate in bulk quantities—please contact sales for details.
What documentation comes with the order?
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.