Molekula
L-Cysteine hydrochloride monohydrate (non-animal origin)
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
L-Cysteine hydrochloride monohydrate (non-animal origin) is a sulfur-containing amino acid used in biochemical research, cell culture media, and pharmaceutical formulations. It functions as a reducing agent and precursor in protein synthesis. It is also used as a flour treatment agent in baking and as an ingredient in cosmetic and personal care formulations. Available with CAS number 7048-04-6, molecular formula C3H7NO2S·HCl·H2O, and molecular weight 175.64 g/mol. Stored at ambient temperature. Signal word: Warning. Molekula supplies L-Cysteine hydrochloride monohydrate (non-animal origin) 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
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 — £49.50 per pack ex VAT · £59.40 inc. VAT
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1 kg — £169.90 per pack ex VAT · £203.88 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 | +5.5° to +7.0 ° |
| Heavy metals | ≤15 ppm |
| Identification | Conforms to reference |
| Loss on Drying | 8.0-12.0% |
| Assay | ≥99.0% |
| Residue on Ignition | ≤ 0.40% |
| Iron (Fe) | ≤30 ppm |
| Sulphates (SO4)(2-) | ≤0.03% |
| Note | This product complies to the standards of the EP7.0. Food grade. It is a Kosher and Halal product from a non-animal source. |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 22241256 |
| CAS Number | 7048-04-6 |
| IUPAC Name | (2R)-2-amino-3-sulfanylpropanoic acid;hydrate;hydrochloride |
| EC Number | 615-117-8 |
| Molecular Formula | C3H7NO2S·HCl·H2O |
| Molecular Weight | 175.64 |
| Exact Mass | 175.007 |
| SMILES | C([C@@H](C(=O)O)N)S.O.Cl |
| InChIKey | QIJRTFXNRTXDIP-JIZZDEOASA-N |
| InChI | InChI=1S/C3H7NO2S.ClH.H2O/c4-2(1-7)3(5)6;;/h2,7H,1,4H2,(H,5,6);1H;1H2/t2-;;/m0../s1 |
| PubChem CID | 23462 |
| REACH Code | Y113 |
| HTS Code | 2930.90.92.51 |
| Tariff Code | 2930901600 |
Safety & GHS
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
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
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.
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is L-Cysteine hydrochloride monohydrate used for?
It is used as a reducing agent in biochemical research, protein sequencing, and as a precursor in the synthesis of other compounds.
What is the chemical formula and molecular weight?
The formula is C3H7NO2S·HCl·H2O with a molecular weight of 175.64 g/mol.
How should L-Cysteine hydrochloride monohydrate be stored?
It should be stored at ambient temperature, protected from moisture and light.
What grade is available?
Available in high-purity grade suitable for research and laboratory use.
Can Molekula supply it in bulk?
Yes, Molekula can supply L-Cysteine hydrochloride monohydrate in bulk quantities upon request.
What documentation comes with the order?
Each order includes a Certificate of Analysis 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.