Molekula
L-Cysteine HCl Monohydrate 20 Mesh (Synthetic)
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-Cysteine HCl Monohydrate 20 Mesh (Synthetic) is an amino acid derivative widely used in pharmaceuticals, cosmetics, and food processing as a reducing agent, antioxidant, and hair straightening treatment. CAS 7048-04-6, molecular formula C3H7NO2S·HCl·H2O, molecular weight 175.64. Stored at ambient conditions. Signal word: Warning. Molekula supplies L-Cysteine HCl Monohydrate 20 Mesh (Synthetic) 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
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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
Specifications available on request — see Documents below or contact our sales team.
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 90034944 |
| 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.
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
No alternate names recorded for this product.
Frequently asked questions
What is L-Cysteine HCl Monohydrate 20 Mesh primarily used for?
L-Cysteine HCl Monohydrate is commonly used in pharmaceuticals, cosmetics, and as a reducing agent in protein chemistry, as well as in hair treatments and nutritional supplements.
What is the chemical formula and molecular weight of L-Cysteine HCl Monohydrate?
The chemical formula is C₃H₇NO₂S·HCl·H₂O, and the molecular weight is 175.64 g/mol.
How should L-Cysteine HCl Monohydrate 20 Mesh be stored?
Store in a tightly sealed container at ambient temperature, away from moisture and strong oxidizing agents.
What grade of L-Cysteine HCl Monohydrate does Molekula supply?
Molekula supplies synthetic L-Cysteine HCl Monohydrate in 20 mesh form.
Can Molekula supply L-Cysteine HCl Monohydrate in bulk quantities?
Yes, Molekula can provide bulk quantities of L-Cysteine HCl Monohydrate upon request, subject to availability and order specifications.
What documentation comes with an order of L-Cysteine HCl Monohydrate?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and a product specification sheet.
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.