L-Cysteine hydrochloride monohydrate
Also known as: L-Cysteine hydrochloride hydrate, L-Cysteine HCl monohydrate, L-Cysteine monohydrochloride monohydrate, H-Cys-OH·HCl·H2O, Cysteine hydrochloride monohydrate, (R)-2-Amino-3-mercaptopropanoic acid hydrochloride monohydrate, L-(+)-Cysteine hydrochloride hydrate
L-Cysteine hydrochloride monohydrate (CAS 7048-04-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C3H10ClNO3S and a molecular weight of 175.634 g/mol. Key properties include a melting point of 175°C, a boiling point of 293.9ºC at 760 mmHg and a flash point of 131.5ºC. It is listed by 1 supplier, from 0.11 to 0.11 CNY per 500g. Record last updated Aug 21, 2026.
- CAS No.
- 7048-04-6
- Jingsj CID
- J-1033040-1
- Molecular Formula
- C3H10ClNO3S
- Molecular Weight
- 175.634 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
In Stock | 98% 500g | ¥55.00 | $0.02 /gBest ¥0.11/g CNY | CN China MOQ 标准 |
Physicochemical Properties
| Melting Point | 175°C |
|---|---|
| Boiling Point | 293.9ºC at 760 mmHg |
| Flash Point | 131.5ºC |
| Exact Mass | 175.006989 |
| PSA | 111.35000 |
| LogP | 0.76610 |
| Refractive Index | 6 ° (C=8, 1mol/L HCl) |
| Storage Conditions | Store at RT. |
| Stability | Stable. Incompatible with strong oxidizing agents, most common metals, hydrogen chloride. |
| Additional Property | H2O: 1 M at 20 °C, clear, colorless |
Activity & Biological Data
| Additional Information | [1]. McGavigan AK, et al. L-cysteine suppresses ghrelin and reduces appetite in rodents and humans. Int J Obes (Lond). 2015 Mar;39(3):447-55. |
|---|
Customs & Trade Information
| HS Code | 2930909090 |
|---|---|
| Summary | 2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of L-Cysteine hydrochloride monohydrate?
The CAS number of L-Cysteine hydrochloride monohydrate is 7048-04-6.
What are the molecular formula and molecular weight of L-Cysteine hydrochloride monohydrate?
L-Cysteine hydrochloride monohydrate has molecular formula C3H10ClNO3S and molecular weight 175.634 g/mol.
Which suppliers offer L-Cysteine hydrochloride monohydrate?
1 supplier(s) listed; reference unit price ¥0.11–0.11 /g.
What are the upstream and downstream products of L-Cysteine hydrochloride monohydrate?
For L-Cysteine hydrochloride monohydrate, Downstream Products: L-Cystine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "L-Cysteine hydrochloride monohydrate (CAS 7048-04-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1033040-1 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.